Duramax Shakes At Idle

Guys, Noticed today that at idle, my 02 duramax shakes something fierce. Wehrli 100352 3" Intercooler Pipe | 04. Noticed what I call a resonating or harmonic vibration in steering wheel and pedals at 560 miles. A plug that is damaged or installed incorrectly, can result in fuel being burned at an inconsistent rate. *CORE MUST BE IN "OFF ENGINE CONDITION" FOR FULL CREDIT*. Normally broken motor mounts will allow the engine to. ok i have a '90 fullsize with a 305 2wd. try replacing the stock plugs with a better grade plug and clean the intake. Anyone had any similar experiences? I'm thinking either a motor mount or something with an idler pulley. ATI Super Damper. dosnt have any loss of power. 6L V-8 Duramax now has a younger brother, the new inline six-cylinder Duramax 3. LLY, LBZ, LMM Duramas One Piece High Flow 3" Driver Side Intercooler pipe. Check engine light comes on intermittently and goes back off. Put in a bottle of Lucas injector cleaner and shell premium gas. I have been debating on 1. 2004 silverado 2500hd with lb7 duramax. Got it back on Saturday and it's now shifting beautifully and all. reinstalled balancer- started with out drive belt-vibration still there. Sinister's Passenger Side Up-Pipes are mandrel bent from Stainless Steel for a perfect fit and long lasting reliability - lowering EGT's while improving turbo spool-up. Fast forward to today. substantial vibration at idle, and some slipping at torque peak rpm. C5500 has Duramax 6. White milky substance in your engine oil or around your oil cap. View Profile View Forum Posts View Articles 10-09-2020, 12:37. 6L displacement. Some 2020-2021 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks equipped with the 6. I noticed recently that only at an idle that I'm feeling a vibration. Re: Shaking at idle. 2005 LLY Duramax / ZF6 6 speed with 220,000 km (135,000 miles). Your car had been working perfectly fine all weekend until one day; you get on the vehicle only to find out it is running rough, and there is a lot. I have noticed once in a while my truck will lope like it has a big cam in it or something. If it's the noise I had, there is a repetitive cycling sound that repeats about every 3/4 second at idle. try replacing the stock plugs with a better grade plug and clean the intake. 08-19-2012, 07:20 PM. Hi all! I just bought a used 2015 Renegade a few weeks ago. Location: Everywhere. by Mark McNabb, on September 29, 2016, 12:00. You may have to register before you can post: click the register link above to proceed. 4 sizes available. T-GO Forum NEW! 10+ members. Midway through the 2004 model year, GM released the second-generation Duramax, RPO code LLY. May 16, 2019 · Shaking at 60mph. You probably could have gotten an engine swapped for 1/2 the cost of what the dealer charged you. Oct 30, 2014 · Duramax Diesel Balance Rates 1. A TPS may fail gradually leading to a number of symptoms which can include one or more of the following: -. At idle you may hear the sound. Jul 25, 2021 · Maybe check mounts as well, before you go pulling transmissions out. I hear cam sensor, cam actuaator and so on. Sep 08, 2021 · The vibration didn't get more intense but still there now during high acceleration, during freeway on ramps to gain speed, to pass a slow poke in the fast lane. It is because rough idle when warm can either be caused by one faulty component or through series of problems. vibration felt in grille guard-front fender-steering wheel. The symptoms are constant smoke at idle and gaining fuel in the oil. Injector replacement on the LB7 truck is rather labor intensive and just changing one is usually not worth the risk for the labor costs. It continues to vibrate until about 77mph. The LB7 Duramax engines (2001-mid 2004 build date) have a known injector failure issue. 6L 1 2011-2016. 05 duramax surging. 5" thick conventional flywheel. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring. I can even feel it if I shift into neutral. Engine has a very bad vibration / rattle at idle which is fuel injection related and does not feel mechanical. shake/viberation at idle. It does it only once the motor is warm and does it only at idle. balancing point, from which each of the individual cylinders gets its rate from. It was, as has been stated above, essentially only heard from inside the cab and with the doors closed. It drives, but has major loss of power. This test uses the Balanced Rate and Cylinder Power Balance test to identify cylinders that are not producing the designed power output. The machine can do this with a switch on the operator seat arm: arm raised is low idle; arm lowered is low operating idle. A little water dripping from an exhaust pipe is a naturally occurring phenomenon. My Cummins shook pretty good, my 6. Started by dieseldoctor886413, 10-05-2020 07:39. Sep 08, 2021 · The vibration didn't get more intense but still there now during high acceleration, during freeway on ramps to gain speed, to pass a slow poke in the fast lane. It continues to vibrate until about 77mph. Discussion Starter · #1 · Jan 20, 2018. The 2019 has the new L5P Duramax thst no longer uses the CP4. The viration at. Duramax Misfire Under Load and Idle - Broken Glow Plug Removal November 29, 2014 10:46 am dennisb - Auto Tool Sales Chevrolet, TIME-SERT Kits. The redesigned 6. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring. 2 L diesel emerged as a high-MPG alternative to the V8 gasoline engine lineup, and achieved better mileage than the General Motors 4. could this be a fuel filter problem, it was changed 1000 miles ago. Plant Address: Unit A10, 33733 King Rd, Abbotsford, BC, Canada V2S 7M9. Normal really cold temp vibration for an in line diesel. We use a poly bushing at the axle mount for decreased road noise & vibration and Curry Enterprise Zinc Coated Johnny Joints at the frame side connection. Re: Rough Idle on my 2004 Chevy Silverado. May 7, 2016. Rough idle when it warms up or at a stop. Aug 23, 2011 · Subject: Lack Of Power, Engine Will Not Rev-up, Idle Vibration, Engine Starting Concerns, DTCs P1093, P0087, P1087, P0088 and/or P1088 Set (Diagnose and Replace Suction Control Valve (SCV) (Fuel Pressure Regulator (FPR)), if Necessary) Models: 2005-2007 Chevrolet W-Series Medium Duty Tilt Cab Models. also using a regular gas can cause the issue switching to a mid grade can help with less rough idling. I am not a mechanic but I am having mine towed to the dealership in the morning so they can check it out. Because of the freakin' cold here lately ,brrrr, i have also noticed the little 2. Clicking this will make more experts see the question and we will remind you when it gets answered. A GM Duramax lawsuit will move forward after a U. C5500 has Duramax 6. Hi, I am having some vibration from the firewall when the truck is almost to a stop and the engine is at idle. L5P Duramax Performance Specs. 7L Power Stroke Diesel - Vibration at idle when cold - I now have a vibration at the steering wheel. I have a 2006 GMC 2500hd Duramax that I have had for a little over a year now. C5500 can be had up to 26,000 lb. You would then feel a slight vibration through both front seats and if you had a cup of water in your center console, you could constantly see the surface of the water vibrating. I keep getting a vibration, almost feels like hitting a 'rumble strip' on the highway. 6L pushrod diesel V-8, now available in ’17 GMC and Chevrolet HD pickups, is nearly vibration-free at idle and during steady-state cruising. You may have to registerregister. It has been running rough and lopes pretty bad at idle only when it is cold, it smooth out a bit once you give it some throttle over 850 rpm. Then I pulled up to the house and it felt like it sputtered a little bit, then when at idle, it shakes like an injector isn't firing or something? But it seems to be firing on all cylinders and runs like it is. Auto 4WD, as well as 4WD high range, both help get the truck moving. Allow truck to roll so pcm sees vss and it stops. You can feel the vibration alot in the steering wheel and some in the seat. com has over 800 pages of complaints. 2005 LLY Duramax / ZF6 6 speed with 220,000 km (135,000 miles). S-10 Forum 154K+ members. It is basically a violent shaking of the front that can only be stopped by literally slowing the vehicle down to a stop. This is a high-frequency vibration which occurs at higher engine speeds, but is unrelated to the vehicle speed. It is especially present when the vehicle is first started. The Up-Pipes on 2001-2016 GMC Chevy Duramax 6. In terms of LLY injector problems, GM had sorted out the internal failures with the 2004 ½ redesign, but the LLY Duramax would occasionally exhibit a trouble code for the injectors, but in most cases it turned out to be an issue with the injector harness rubbing through and causing a short or open in the wiring. Mar 06 2021, 7:08pm. Auto 4WD, as well as 4WD high range, both help get the truck moving. Vibration Felt at Idle Only 6* *For rough idle and/or vibration at idle in gear– 17–NA-166: Rough Idle. Some 2020-2021 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks equipped with the 6. Other things such as a faulty idle air control valve may cause the engine idle to drop below the normal idling RPM which may also cause the motor to shake or vibrate more than normal. There are a ton of bolt-ons that make driving a Duramax-powered ¾-ton Chevy or GMC much more fun than operating a 7,500-pound pickup should be. presumably he bought this new. I wonder if worn injectors can lag their response, or vice versa. Why Idle in the First Place? People who usually keep their engine idle do it to run their sleep berth and to prevent diesel gelling during the cold months. At 85 degrees or less, the idle is smooth. of torque @ 1600 rpm with available Duramax 6. Hey John, I have a 09 duramax LMM that has a high frequency vibration at idle up to approx 1200 rpm then it fades but is still noticeable. Started when I took my truck in for preventive maintenance to dealer. drive, no shake, put in park and rev the motor, shake is diminished. it feels like its missing to me but, when you press the accelerator it runs perfect. The rough idle could be norma, diesels tend to be rough on a cold start up. Wehrli 100352 3" Intercooler Pipe | 04. And to help create a quiet cab, nearly two-thirds. Have not found that screened device. The Duramax 6. 6L Duramax LBZ Topkick. Started by ajh7, 09-15-2020 12:34. Duramax Engine LLY 2004. I love the car other than that bit of vibration. 2 L diesel emerged as a high-MPG alternative to the V8 gasoline engine lineup, and achieved better mileage than the General Motors 4. Canyon and Colorado engines are machined and assembled in GM's Rayong, Thailand, manufacturing assembly. Locate the fuel filter along the frame of the truck (driver's side). The turbocharged 3. com FREE DELIVERY possible on eligible purchases. Just wanted to see if this were normal. Problem is my truck shakes violently at idle, but smoothes out as you give it fuel. The AFE 42-14011 DFS780 Fuel System with Full-Time Operation for your 2001-2010 GM 6. 8 psi of manifold boost pressure. I have a 2005 chevy 2500 duramax. The TPS is sensitive to heat, moisture and vibration leading to the failure of some units. Hi, I am having some vibration from the firewall when the truck is almost to a stop and the engine is at idle. 54%) than frequency modulation (4. Calibrated Power's calibrate firmness and timing of shifts, so you'll be guaranteed to feel the smoothness and better shift quality missing on the 5. I have what seems to be a driveline vibration on my 2017 6. My Cummins shook pretty good, my 6. Contributing factors in the circumstance you are describing could be worn struts in the suspension. Wehrli 100352 3" Intercooler Pipe | 04. I have noticed once in a while my truck will lope like it has a big cam in it or something. The idle speed adjusting bolt sits near the rear of the p-pump and faces upward. Location: Everywhere. This creates a loss of power that resonates throughout the motor additionally causing other. With a cost premium of only $2,495. by Mark McNabb, on September 29, 2016, 12:00. Feels like the drive shaft. State: PA #67 LemonLaw says: July 21st, 2017 at 3:03 pm @MBX5: If you find yourself back repeatedly, please call us at 800 536 6652. Re: Strange vibration at idle. I solved my problem by: 1) Running the engine to operating temperature. strokin 03 f250 · Junior Member. View Profile View Forum Posts View Articles 10-09-2020, 12:37. LBZ: LBZ white smoke rough idle. It's not real bad but is clearly happening. balancing point, from which each of the individual cylinders gets its rate from. I have a 2004 Chevy Silverado 4wd 5. The original 6. Running an engine at idle causes twice the wear on internal parts com- pared to driving at highway speeds. After removing the old pressure plate and disk, heat discoloration and warping were evident on the dual mass flywheel. Wehrli 100352 3" Intercooler Pipe | 04. It will go smooth for a few seconds then shake a faint bit and so on. im a first timer forum user, my 03 duramax is shaken at an idle it started after an oil change and new air filter. Vibration Felt at Idle Only 6* *For rough idle and/or vibration at idle in gear– 17–NA-166: Rough Idle. Fullsize Truck & SUV - 2014-2019 K2XX Platform. 9tdi (150Bhp) is rough during idle and on Vag Com i got Cylinder 2 misfired! When viewing measuring block 013, i noticed that cylinder 2's reading were constant at 2. However, it is easy to recognize the problem, as during rough idling either the engine would run at an irregular rate or it may have varying RPMs without your foot on the gas pedal. The sound is often more pronounced in the interior of the truck as it's amplified. Removed belt and no change. Older vehicles may be upgraded to. i pulled out 1 plug on each bank (they are. Fullsize Truck & SUV - 2014-2019 K2XX Platform. That was corrected but took two tries,second time at 6000 mi. Sign up for FREE! Become a GM-Trucks. Other owners of GM’s trucks on the GMT- K2 platform — model year 2014 and newer Chevy Silverado and GMC Sierra. com Summary: Duramax diesels that have misfires at low RPM's and under a load could have faulty glow plugs. Due to Duramax's crankshaft poor design process of keying drive gears a random light vibration can found during idle. Honestly, it sounds like something kinda basic to me. Used to these things idling nearly dead still or at least my previous DMAX have including the 2017. May 24, 2009. Aug 23, 2011 · Subject: Lack Of Power, Engine Will Not Rev-up, Idle Vibration, Engine Starting Concerns, DTCs P1093, P0087, P1087, P0088 and/or P1088 Set (Diagnose and Replace Suction Control Valve (SCV) (Fuel Pressure Regulator (FPR)), if Necessary) Models: 2005-2007 Chevrolet W-Series Medium Duty Tilt Cab Models. The turbo base gasket will sometimes leak and require the turbocharger to be removed to replace it. 1997 Silverado 4x4 brakes - Anti-locks cause sagging pedal especially at slow speeds. Duramax Engine LLY 2004. The facility is as modern as any of GM's plants. Apr 08, 2009 · 2004 duramax zf6 shakes at idle. They are used for towing and hauling, frequently over long distances and through unforgiving environments. You may be able to clean out the valve to get it functioning again, or. 2 L (379 cu in) diesel V8 was introduced in 1982 for the Chevrolet C/K and was produced until 1993. Fullsize Truck & SUV - 2014-2019 K2XX Platform. which i thought was weird. Remove filter from fuel lines. My 2002 GMC 6. Calibrated Power's calibrate firmness and timing of shifts, so you'll be guaranteed to feel the smoothness and better shift quality missing on the 5. Mike McGlothlin. MSRP: $266. All other tires have no vibration. Any insight you can give is much appreciated. It's not real bad but is clearly happening. I am concerned after reading these posts… Not cool. it has 113000 miles on it. The RPMs would hover a notch below 500 and when the rough idle would kick in, you could see the RPM needle jump up and down. Tried fueling up elsewhere and some tank additives, has not helped. The second generation appeared in 2012 and includes the current 2020 model year. Vibration is felt at idle/park in right front tire. Sign up for FREE! Become a GM-Trucks. Actually, a vacuum leak is an answer to what causes rough idle at low rpm. Jun 21, 2019 · Many drivers have turned to online forums to voice their complaints about the “Chevy Shake. Nov 12 2018, 4:58pm. The Bosch overflow valve will idle at 15 to 18 PSI. The injector warranty only, was extended to 7 years/200,000 miles because of that issue. changed the stock fuel filter to a nicktane then back to stock to see if that was the problem it seemed to get a little better but not where it was before the injector. Some 2020-2021 Silverado 2500HD/3500HD and Sierra 2500HD/3500HD trucks equipped with the 6. No more rough shrudder at the lights. Unfortunately, being able to tell apart benign vibrations from the bad ones can. So, if a vehicle idles erratically and surges; that could be the sign of a failing idle air control valve (IAC). It is a smoother running engine than the C-7. But, if the outside temperature gets into the upper 90s, I'll have the rough idle when. 6 Duramax Diesel. 8L Spade Tuner ramps up the performance in your 2016-2018 GM Colorado / Canyon 2. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!. Do you want to find the most common Duramax fuel pressure regulator symptoms? If so, your long journey trying to find the most common symptoms for faulty pressure regulators has come to an end. it was running fine but the injectors were going bad so I replaced all 8 with bosch remans and new hp lines. Irregular idle A dampener is designed to work over a wide variety of engine speeds. Calibrated Power's calibrate firmness and timing of shifts, so you'll be guaranteed to feel the smoothness and better shift quality missing on the 5. The Detroit News reports that GM is now facing a class-action suit alleging its 6. Backing up the powerplant is the 6L50 transmission. Idling will increase maintenance cost and shorten the life of the engine. Sinister's Passenger Side Up-Pipes are mandrel bent from Stainless Steel for a perfect fit and long lasting reliability - lowering EGT's while improving turbo spool-up. *tt updated 03-19-07. LBZ/LMM Duramax 6. It was, as has been stated above, essentially only heard from inside the cab and with the doors closed. Feels like the drive shaft. Replies: 1 Views: 278; Rating0 / 5; Last Post By. 6L, Tick, MW7, Tick, Clicking, Noise GM bulletins are intended for use by professional technicians, NOT a "do-it-yourselfer". I have a 2005 chevy 2500 duramax. Honestly, it sounds like something kinda basic to me. Just a few short weeks ago, Chevrolet announced the all-new, advanced 3. feelthemusic8. At idle and low engine speeds, this fan clutch is fully engaged, gradually disengaging as engine speed increases. Sep 08, 2021 · The vibration didn't get more intense but still there now during high acceleration, during freeway on ramps to gain speed, to pass a slow poke in the fast lane. ATI Super Damper diesel harmonic balancers are designed with absolute precision in mind. changed the stock fuel filter to a nicktane then back to stock to see if that was the problem it seemed to get a little better but not where it was before the injector swap. The results of this work suggest the use of. It's worst when pulling a trailer. The Up-Pipes on 2001-2016 GMC Chevy Duramax 6. If you are having a problem with your. This next-generation redesign offers more horsepower and torque than ever — an SAE-certified 445. Fast forward to today. This kit includes the tried and true Duramax Tuner Transmission Tuning, with their in-house designed. 5-2005 (LLY) shake/vibration at idle. Joined Dec 23, 2008 · 64 Posts. You can feel it with the sole of your foot as it rests on the accelerator pedal, but the pedal does not pulsate greatly in the depressing direction of the pedal. Re: Weird shake when at idle. All motor and tranny mounts are tight, all 8 injectors are good and have been flow tested. 5 mm thick (1) when the engine mount and frame. #5 · Dec 16, 2016. 8L has cylinder liners, a longer EPA rated service life than the C-7, and common rail injection instead of HEUI. Re: Rough Idle on my 2004 Chevy Silverado. I noticed my truck shaking at idle as well. Other owners of GM’s trucks on the GMT- K2 platform — model year 2014 and newer Chevy Silverado and GMC Sierra. We use a poly bushing at the axle mount for decreased road noise & vibration and Curry Enterprise Zinc Coated Johnny Joints at the frame side connection. 2) engine top end RATTLE at idle and during in town driving. This test uses the Balanced Rate and Cylinder Power Balance test to identify cylinders that are not producing the designed power output. I bought the CAT conv myself at the auto parts store and I gave it to them to install. It does it only once the motor is warm and does it only at idle. If it is not hitting evenly on all cylinders (“missing”) then get new plugs and verify ignition performance. It seems to do it when the clutch on the a/c kic … read more. TAC Assistance with Vehicle Vibration Diagnosis 5 Service Know How 5 The 6. Apart from these mentioned causes of brake pedal vibration, the worn out ball joints, tie rods, wheel bearings, and other parts of the. Idle Air Control Valve (IAC) - Function - Failure Symptoms - Testing Based on the information it receives like engine load and temperature, it will change the speed of the idle accordingly. Fitment Notes: 2001-2005 GM Duramax LB7/LLY Improve your LB7 or LLY's reliability by utilizing our in-house designed and tested kit coupled with Calibrated Power established transmission tuning. The powertrain diesel plant is GM's first in Southeast Asia and the first to manufacture the four-cylinder Duramax turbo-diesel. DenLorsTools. 8, different animal all together, designed and built for GM by Isuzu. The noise and vibration are still there. Brake switch won't matter unless they've changed since the LLY/LMM. Loss of power. 8 Duramax is about $5k dollars. Contributing factors in the circumstance you are describing could be worn struts in the suspension. If you own a 2016 Chevrolet Colorado and are experiencing excessive vibration while driving or the car shakes at idle, you may have a serious issue on your hand. I was Hauling cattle coming back empty pulling a hill and felt a shutter and pedal went dead looked in the Mirror and was pouring I Mean POURING white smoke it whited out the road, got pulled over and it engulfed the truck in smoke in which I could tell it was fuel. Although Isuzu and GM jointly designed the L series engine. The purchase price of this turbocharger DOES NOT include the $275. Letting an engine idle actually does more damage to the engine than starting and stopping. Allow truck to roll so pcm sees vss and it stops. The Bosch overflow valve will idle at 15 to 18 PSI. reinstalled balancer- started with out drive belt-vibration still there. There, the Duramax was a hint, not a hit. substantial vibration at idle, and some slipping at torque peak rpm. description: 6. 2014 - 2019 Silverado & Sierra. 6-liter Duramax engine found in 2011-2016 Chevrolet and GMC models is not compatible with US diesel fuel. This is intermittent, it will go from shaking to smooth. This vibration is also evident while driving in any gear at any speed that falls within the 1200 to 1500 RPM. Posting my results in hopes it will help someone else down the road. Buyer beware! Many of the new 2014-2015 Silverado and Sierra trucks were built with faulty parts, which cause multiple issues, including vibrations. 3 Powerstroke. The truck's big torque right off idle gets the tires spinning and the rear axle hopping. Hi all, I have a vibration issue with my 2011 Kia Soul Plus. 3 should ever be that smooth. Dual mass flywheels should smooth this severe oscillation, but, occasionally these flywheels go bad. 24 February 2010 2001-07 Duramax FlowMax Lift Pump Kit # 1050320 - 9 - BD Engine Brake Inc. The GMC Sierra is also report to have shaking issues at highway speeds. This creates a loss of power that resonates throughout the motor additionally causing other. It quickly digs down instead of forward. We know just how annoying it is to deal with faulty fuel pressure regulators. The noise usually is most noticeable at the rear of the driver’s side front wheel well. 2008 Duramax LMM Elevated Idle-to put you truck into elevated idle, turn key to on, depress/hold gas pedal to the floor and hit the brake 3 times, elevated. Visible shaking of small items in the truck while idling. But, it's confirmed. Honestly, it sounds like something kinda basic to me. Engine vibration, even at idle, is minimal. If it is not hitting evenly on all cylinders ("missing") then get new plugs and verify ignition performance. 2002 Chevy Silverado 2500 HD. 0L Duramax ® Turbo-Diesel I-6 engine provides excellent power and momentum without exerting the engine while taking on trails or roads in hilly or mountainous regions. Stuff like setting the valves properly is a good starting point. shake/viberation at idle. 6 LB7 diesel pickup or are looking to buy one, here are some common issues and problems we have run into in our shop. I have a 2005 chevy 2500 duramax. Decorate your laptops, water bottles, notebooks and windows. Although much of the LLY's internals match what you'll find in the LB7, this version of the 6. While there are a variety of reasons your Chevrolet Silverado 2500 HD has a rough idle, the most common 3 are a vacuum leak, an issue with the spark plugs, or a problem with the ignition coil. This original 6. could this be a fuel filter problem, it was changed 1000 miles ago. This revised and updated 2018 edition is visually stunning while remaining vitally important, and is a "must have" for any 6. 1 Factory read restriction prevents reading Duramax 2011-16 LML (E86A and E86B) controllers. It is a smoother running engine than the C-7. If idle vibration could Not be turned off/on with that bolt, tighten bolt then loosen next bolt - front bolt. with diagnostic trouble codes p0300, p0335 or p0336. Duramax Diesel Warm Engine Idle Knock Sound. LML Duramax 6. 95% of peak torque is available at just 1,250 rpm and is sustained through 3,000 rpm. 7 Powerstroke engines suffered from was turbo failure. Sep 08, 2021 · The vibration didn't get more intense but still there now during high acceleration, during freeway on ramps to gain speed, to pass a slow poke in the fast lane. I would take the 7. The re-engineered 6. Irregular idle A dampener is designed to work over a wide variety of engine speeds. If you are having a problem with your. You will have one cylinder firing less hard or more hard than another, creates a rough feel at idle. 3L V-8, the stunning Duramax 3. LB7 Aftermarket Fastener Torque Specs. Unfortunately, being able to tell apart benign vibrations from the bad ones can. Brake switch won't matter unless they've changed since the LLY/LMM. Although they were supposed to launch this year, it was pushed. 2004 silverado 2500hd with lb7 duramax. I absolutely love it. Ok, here is my problem. Replies: 1. Got the same wheel shake on the way home tonight. description: diagnostic information for steering wheel shake / vibration (oscillation) concerns for c4500-c5500 conventional cabs. 1 '08 Duramax 6. 3- 30,000 miles. In my experience an excellent engine, great warranty, drivers like it, say it pulls better than C7 for same hp. Engine vibration, even at idle, is minimal. Injector replacement on the LB7 truck is rather labor intensive and just changing one is usually not worth the risk for the labor costs. ( the 4cyl 5. 8L has cylinder liners, a longer EPA rated service life than the C-7, and common rail injection instead of HEUI. The reason why the engine will idle rough is because it's not getting as much fuel as it needs to idle and maintain the necessary engine revs. The Up-Pipes on 2001-2016 GMC Chevy Duramax 6. Today's Duramax engines are recognized as dependable, powerful engines capable of being enhanced by internal engine modifications as well as bolt-on technology. engine also boasts reduced noise at idle 10 lb. Come join the discussion about modifications, towing, classifieds, troubleshooting, maintenance, and more!. Mar 23, 2021 · Uneven rough idle is due to uneven combustion pressure problems. What kind of cetane booster are you using? Try the 911 and see what happens, how cold did it get there? PS, i put your link in my sig awhile ago because too many people were asking where to find that type of CD :biggrin: BW. The TPS is sensitive to heat, moisture and vibration leading to the failure of some units. strokin 03 f250 · Junior Member. In most modern vehicles, the amount of air that bypasses the throttle bore is preset from the factory and controlled by the car computer, so it can't be adjusted. Have a slight rough idle. Now, if you drive a Second Gen Dodge (1994-2002) then you have several possible causes. 2001-2016 6. Feb 28 2014, 10:01am. Had a bit of a rough idle, but really only noticeable when its in drive and you're idle at a stoplight or stop sign. The car engine is susceptible at idle for minor mistakes, and it's at idle you will notice the most symptoms of water in the gas tank. Auto dealers develop sophisticated selling techniques that draw us in their dealership and have us riding away with the car of our dreams. In my experience an excellent engine, great warranty, drivers like it, say it pulls better than C7 for same hp. It does not matter if the car is in gear or not, so it is not drivetrain. November 24, 2018; When an LB7 injector begins to leak, you'll notice the truck hazing at idle and you'll also be able to observe abnormally high injector balance rates (the amount of fuel each injector contributes to maintain a smooth idle) with the appropriate diagnostic equipment. This test uses the Balanced Rate and Cylinder Power Balance test to identify cylinders that are not producing the designed power output. Didn't really think much of it. Chevy GMC Duramax Forums 180K+ members. 520, 605, 620 torque settings. 6L Engine Problems. This is found after dampers spin on the crankshaft snout by shearing factory key. This new issue came after i did a burn out from stop when. Problem is my truck shakes violently at idle, but smoothes out as you give it fuel. Idling will increase maintenance cost and shorten the life of the engine. The Detroit News reports that GM is now facing a class-action suit alleging its 6. A TPS may fail gradually leading to a number of symptoms which can include one or more of the following: -. I would take the 7. ok i have a '90 fullsize with a 305 2wd. Jan 15, 2015 · The 7. Aug 23, 2011 · Subject: Lack Of Power, Engine Will Not Rev-up, Idle Vibration, Engine Starting Concerns, DTCs P1093, P0087, P1087, P0088 and/or P1088 Set (Diagnose and Replace Suction Control Valve (SCV) (Fuel Pressure Regulator (FPR)), if Necessary) Models: 2005-2007 Chevrolet W-Series Medium Duty Tilt Cab Models. Apart from these mentioned causes of brake pedal vibration, the worn out ball joints, tie rods, wheel bearings, and other parts of the. I know the fluid damper will help, but I'm not spending the money on the same slip fit design. Fullsize Truck & SUV - 2014-2019 K2XX Platform. 6L displacement. LLY, LBZ, LMM Duramas One Piece High Flow 3" Driver Side Intercooler pipe. The AFE 42-14011 DFS780 Fuel System with Full-Time Operation for your 2001-2010 GM 6. Put in a bottle of Lucas injector cleaner and shell premium gas. Aug 26 2017, 7:15pm my truck still 100% stock (hopefully not for long). With your foot on the brake pedal and the A/C still on, put the vehicle in "D" (Drive) and allow the engine to idle for at least one minute. 2005 LLY Duramax / ZF6 6 speed with 220,000 km (135,000 miles). I love the car other than that bit of vibration. It shudders and vibrates worse under load when towing. 9tdi (150Bhp) is rough during idle and on Vag Com i got Cylinder 2 misfired! When viewing measuring block 013, i noticed that cylinder 2's reading were constant at 2. Coolant flowing out of your coolant reservoir. You have any idea?. Duramax Diesel Warm Engine Idle Knock Sound. Called dealer - got the flat spots on tires reply. 2006 - 2007 GM 6. 6L Common Engine Noises Brand: Model: Model Year: VIN: Engine: Transmission: from to from to Chevrolet Silverado Models 2017 2020 — Duramax® Diesel 6. View Profile View Forum Posts View Articles 10-09-2020, 12:37. I noticed it shaking a LITTLE bit at idle this morning. When its cold (as in first thing in the morning), it fires right up and high-idles for a few seconds and runs fine. Discussion Starter · #1 · Jan 20, 2018. 8L I6 in heavier C and T GM trucks that will more or less outlast the frame. Discussion Starter · #1 · Jan 20, 2018. C5500 has Duramax 6. #5 · Dec 16, 2016. TAC Assistance with Vehicle Vibration Diagnosis 5 Service Know How 5 The 6. 6L V8, 300 or 330 hp depending on model year. Some dampeners are. 2006 - 2007 GM 6. Smooths out at higher RPMs. 8L has cylinder liners, a longer EPA rated service life than the C-7, and common rail injection instead of HEUI. This has never occured before. Duramax 7800 renamed Isuzu 6H for 2007 model year. 3 L Engine (VINs V, T -- RPOs LR4, LM7) and Hydra-Matic 4L60-E Transmission (RPO M30) Condition. Tail pipe and bed also shake a fair amount compared to my friends trucks. Wear Out Components. The idle is also very steady, not bouncing around or anything. reinstalled balancer- started with out drive belt-vibration still there. A GM Duramax lawsuit will move forward after a U. An engine misfire is the most common cause of a shaking idle, and as the engine stumbles and misfires, that should be seen in the tachometer as a drop in RPM. I was reading old posts over at the place and some suggested that it was a bad fuel rail pressure regulator (FRPR) or it could also be a loose reluctor wheel on the crankshaft sensor. Subject: Information on Duramax Diesel 6. strokin 03 f250 · Junior Member. 520, 605, 620 torque settings. Another possibility is an intake manifold gasket leak. If you were to continue driving with this issue it can raise concerns in regards to harsh harmonics to balancing of the crankshafts. Myth: Diesel engine idling does not waste much fuel. View Profile View Forum Posts View Articles 10-09-2020, 12:37. it feels like its missing to me but, when you press the accelerator it runs perfect. I was reading old posts over at the place and some suggested that it was a bad fuel rail pressure regulator (FRPR) or it could also be a loose reluctor wheel on the crankshaft sensor. Beowulf2_8b23. Injector replacement on the LB7 truck is rather labor intensive and just changing one is usually not worth the risk for the labor costs. It seems like my oil pressure is lower than normal also. I also have a 16 duramax. Idling will increase maintenance cost and shorten the life of the engine. So i just did the egr delete on the truck, which made a world of a difference. 2001 GMC 2500HD Duramax diesel 1992 Ford E350 Navistar diesel FCA has isolated the engine acoustically and mechanically very well. with a GVW between 14,001 and 26,000 lbs. Have a slight rough idle. *For vibration related to AFM in 4 cylinder mode– refer to PIP5228: Vibration During Active Fuel Management V4 Mode Operation 1200–1400 Engine RPM. I absolutely love it. State: PA #67 LemonLaw says: July 21st, 2017 at 3:03 pm @MBX5: If you find yourself back repeatedly, please call us at 800 536 6652. com Member Today! In 20 seconds you can become part of the worlds largest and oldest community discussing General Motors, Chevrolet and GMC branded pickups. 00 core deposit. It seems like my oil pressure is lower than normal also. I can even feel it if I shift into neutral. the vibration is felt throughout the car body and is amplified with use of. #4 · Dec 26, 2005. If the temp in columbus is anything like it is here it was cold this morning. Now I get it all the time, from a dead stop or tiring to passagain only when I accelerate, does not vibrate when in idle, does not vibrate any other time, only during acceleration. changed the stock fuel filter to a nicktane then back to stock to see if that was the problem it seemed to get a little better but not where it was before the injector. For sleep berths, idle reduction technologies are available now to provide heating and power into. Check the table to determine your replacement date. 4200 miles on truck and while sitting in the seat the truck is shaking. I noticed recently that only at an idle that I'm feeling a vibration. It's an in-line 6, the Isuzu 6HK-1TC. Discussion Starter · #1 · Jan 15, 2009. Swilson50 on July 28, 2020:. As a result of the pulsing production of exhaust gases through the exhaust system, vibration is transferred to the vehicle. This vibration is also evident while driving in any gear at any speed that falls within the 1200 to 1500 RPM. About twice as bad. I absolutely love it. well i noticed that today at a red light my truck started to shake and it keep doing that the whole day i was driving tried to turn it off and back on. The fuel in your truck contains contaminants, water and air/vapor which reduces power and can cause damage to your injectors. The problem has occured by then in every other instance. A Duramax truck with stock injectors and tuning, at operating temperature, should idle with a calculated fuel rate (CFR) of 7-9 mm³ - and that is the baseline, i. Fullsize Truck & SUV - 2014-2019 K2XX Platform. strokin 03 f250 · Junior Member. Fluidampr is in a class all by itself, because it is designed to provide maximum control of all engine harmonic vibrations, regardless of the rpm at which they occur and regardless of the crankshaft's natural frequency. When its cold (as in first thing in the morning), it fires right up and high-idles for a few seconds and runs fine. 08-19-2012, 07:20 PM. The only problem was, at idle, most notably in drive while in gear at a complete stop, there was an annoying vibration coming from what seemed like the dash/firewall area. Although much of the LLY's internals match what you'll find in the LB7, this version of the 6. Mine is sensitive to ambient temp. 2014 rough engine idle. 6L V8, 300 or 330 hp depending on model year. Sometimes its fine, other times it seems to shake my phone out of its windshield cradle, but no issues while I'm driving. My fuel gauge doesn't work when it gets to a quarter tank and below and recently ran out of fuel. It must be engine or exhaust. It does not matter if the car is in gear or not, so it is not drivetrain. Calibrated Power's calibrate firmness and timing of shifts, so you'll be guaranteed to feel the smoothness and better shift quality missing on the 5. And keep in mind that the most rough idles issues come from lack of proper maintenance. It can also be felt in the seat. 5 mm thick (1) when the engine mount and frame. Contributing factors in the circumstance you are describing could be worn struts in the suspension. 8L is vibrating more at idle, but runs fine. French Creek, West Virginia. 8L is vibrating more at idle, but runs fine. 0L Duramax boasts an NVH friendly 15. Now I get it all the time, from a dead stop or tiring to passagain only when I accelerate, does not vibrate when in idle, does not vibrate any other time, only during acceleration. Contributing factors in the circumstance you are describing could be worn struts in the suspension. These dampers eliminate torsional vibration at the crankcase to significantly reduce. I checked my oil pressure it is is registering low. MSRP: $266. Smooths out with any. 7 people found this helpful. HELP desperate for Diagram. drive, no shake, put in park and rev the motor, shake is diminished. Engine has a very bad vibration / rattle at idle which is fuel injection related and does not feel mechanical. I am not a mechanic but I am having mine towed to the dealership in the morning so they can check it out. It is a very noticeable vibration. my truck does itso does everyones here when the weather conditions are right. Honestly, it sounds like something kinda basic to me. District judge in Michigan found enough evidence to support claims that more than 700,000 model year 2011-2016 Chevrolet Silverado 2500 and 3500. If you follow the throttle cable coming out of the firewall to the p-pump, the idle screw is about the first part on the bottom side of the p-pump that the cable crosses over. Didn't really think much of it. State: PA #67 LemonLaw says: July 21st, 2017 at 3:03 pm @MBX5: If you find yourself back repeatedly, please call us at 800 536 6652. 6 Duramaxes were a little smoother at idle. 3) Filling the reservoir with "Sea Foam" (a cleaner you can buy at any auto. I absolutely love it. The LLY's have a spot in the tuning software where you are able to tune the elevated idle. Vibration is terrible. 0-liter Duramax Turbo Diesel engine for the 2020 Silverados. It shudders and vibrates worse under load when towing. Just a few short weeks ago, Chevrolet announced the all-new, advanced 3. REDCAMP Military Folding Camping Shovel,High Carbon Steel Entrenching Tool Tri-fold Handle Shovel with Cover,Green 2. E98 2 2014-2021. The AFE 42-14011 DFS780 Fuel System with Full-Time Operation for your 2001-2010 GM 6. 3 Powerstroke. This test uses the Balanced Rate and Cylinder Power Balance test to identify cylinders that are not producing the designed power output. The sound is often more pronounced in the interior of the truck as it's amplified. I've installed new motor mounts and an ATI harmonic balancer but still there. TAC Assistance with Vehicle Vibration Diagnosis 5 Service Know How 5 The 6. com FREE DELIVERY possible on eligible purchases. I was reading old posts over at the place and some suggested that it was a bad fuel rail pressure regulator (FRPR) or it could also be a loose reluctor wheel on the crankshaft sensor. which i thought was weird. 05 duramax surging. the vibrations are the ones getting stronger but the rpms seem to stay at 500. removed balancer- found no problems. If you stop and think about it, the word "diesel" conjures up a lot of things - durability, torque, and towing power, just to name a few. Silverado LT 5. Truck idles roughly and inconsistently. With the car in 'P' or 'N', engine speed is ~750 RPM and the vibration is lesser but still faintly discernible. the vibrations are the ones getting stronger but the rpms seem to stay at 500. Water is actually a by product of combustion in a vapor form. When it is at a idle the motor shakes and vibrates the whole truck which is loud enough you can hear from a distance. If you own a 2016 Chevrolet Colorado and are experiencing excessive vibration while driving or the car shakes at idle, you may have a serious issue on your hand. 6l Duramax has a rough idle,shaking the truck until I throttle up. I solved my problem by: 1) Running the engine to operating temperature. Just wanted to see if this were normal. 8L I6 in heavier C and T GM trucks that will more or less outlast the frame. Location: Everywhere. Learn more about it in this video. 5 Fifteen52 TraverseHD, 285/75r17 Falkens, RelentlessFab front and rear bumpers, Duramax Tuner, 589Fab driveshaft and shock skids, AEV underbody skids, AFE Hi-Tuck exhaust, Victory 4x4 sliders, Nitro 4. It starts vibrating at 42 mph. 3 vortec, 4x4. I am not a mechanic but I am having mine towed to the dealership in the morning so they can check it out. The engine light is off. Spark plugs use the electrical current; received from ignition coils to ignite the air/fuel mixture, within the combustion chamber. MSRP: $266. Similar to the LML, the L5P utilizes the same 6. Because of the freakin' cold here lately ,brrrr, i have also noticed the little 2. This does not sound like ICV to me, but I could be wrong. I also have a 16 duramax.