Gm 3800 Timing Chain Noise

A single roller chain is much like the chain on a bicycle—the links or side plates of the chain pass over and around a single set of teeth in each gear, reducing friction. My mechanic "highly recommends" I change the timing chain soon at a cost of a grand. need some advice here. I wonder though, if I can get the dealership to diagnose the noise as a soon-to-fail timing chain and have the warranty company sanction the repair rather than waiting till it actually breaks and doubles the repair cost. If this happens, it may be timing belt tensioner noise. First there was an engine noise, then it was a timing chain, now it's a bad. It's a few hundred dollar repair. With the exception of firewall clearance problems in various vehicles, this should apply to swapping most any GM points type distributor to HEI. What if there's only fine metal particles in the valve cover? I have a 3800 series 2 supercharged engine and the tapping noise is coming from the front top of the engine so I checked the oil for any signs of metal on the dipstick and there weren't any. 4L V8 three-valve engines can cause a number of running problems. Has anyone had to replace your transfer case? I have 2010 Equinox with 68,000 miles. How to Change a Timing Chain. Novak Conversions is the leading company in high quality Jeep Conversions foir GM powertrains. noise lessened? You've found the. How can I use my labscope to check timing chain on a 01 buick lesarbe with a 3800 motor. The manual said I would have to drop the oil pan to remove the timing chain cover, but the cover came off easily without. HOW DO YOU REPLACE A TIMING CHAIN OR BELT ON A 3800 SERIES BUICK MOTOR? - Answered by a verified Buick Mechanic 1992 buick regal custom: with 3800 v. At cold start-up, the engine rattles loudly for about two seconds. Good evening gentlemen, I have a 2012 Chevy Cruze 1. Please give a listen and chime in with your opinion. The best part is, our Chevrolet HHR Timing Chain Tensioner products start from as little as $21. How much does a timing chain replacement cost? The cost of replacing your vehicle’s timing chain belt, as with almost any car repair, will depend on the vehicle you drive, your geographical location and the professional mechanic you hire. Leaks in GM 3800 Series II Engines Noise From Torsional Vibration Some GM truck, SUV and minivan own- Remove the nylon timing chain tensioner. 6L) Timing Belt (GM) Timing Belt (Ford) Timing Belts (list of interference engines) Timing Belt (Toyota & Honda) Timing Belt Warranty Warning Timing Chains & Belts Timing Chain Replacement (Mazda & Ford 3. The dealer just had a Saturn in with a timing chain problem last week so a little worried with a 2011. Camshaft | Source To determine which cylinder is in its power stroke, your car's computer monitors the rotating position of the camshaft relative to the crankshaft position using a camshaft position (CMP) sensor. Diagnose Buick 3800 Engine Common Problems with the 3800 Engine: Intake Manifold Coolant Leaks. So my 2008 Ls with 73k still rattles on startup, for about 2 seconds. GM manufactured the 3900 V6 as a replacement for the GM 3800 V6. 8 was discontinued in 2009. Slack in the chain allows it to strike the timing cover. I know this thread is 4 years old, but I just wanted to stop in and say thanks for posting all the good info. Just for a warning, when the timing chain goes on the 3800 they like to take the valves with them! It's better to be safe or sorry. 4L engine and about 131,000 miles on it. The reinforcements, turbocharging, intercooling, internals, dual overhead camshaft, and such were developed by GM Powertrain Sweden (Saab Automobile Powertrain). Just had timing chain and timing chain assembly replaced. The damaged gasket lowers the oil volume going to the camshaft. At cold start-up, the engine rattles loudly for about two seconds. Hello, its 01 Malibu with GM 3100 165,000 miles, I bought the car from a mechanic told me the tapping/clicking noise was bad Valve, I bought the car for very cheap, the car runs good no missfire, starts right up, after thinking about it if it was bent valve the car would missfire, anyways I was sure it was lifters, I took the engine a parts everything looks good but the lifters the top plates. Timing Chain Replacement Cost Comparison. It is attempting to quiet the noise by retarding ignition timing approximately 25 degrees (This explains. Every millimeter of the combustion system was carefully designed to support the most ideal combination of direct injection, active fuel management and variable valve timing, making the most of power, torque and efficiency. Then the noisy chain showed up. When this occurs slack in the chain tends to jerk and the plastic timing chain guides can break. When I swapped the cam in my old 5. I've been told by 2 different mechanics that it would be easier to replace the entire engine than get the pieces out of the engine. At that point the chain will stretch and eventually skip teeth. Was curious in learning the causes and how to fix it. 120-3202 Buick 350, stainless, 12pt Timing Cover & Water Pump Bolt Kit. 550" of lift and spins to 6500 RPM to give an idea of what these springs were made for with factory reliability. The dealer just had a Saturn in with a timing chain problem last week so a little worried with a 2011. A timing chain is made of metal, similar to a bicycle chain. What you may be suffering from is the now infamous phenomenon known as Piston Slap. Vehicles equipped with this particular engine may experience a noise in the front cover area of the engine at idle speed. I do have an extended warranty that I bought with the car. Ray's Chevy Restoration Site HEI Distributor Conversion. If I pull fuse-11 for the fuel injectors and. I know some people on here work on many different vehicles,so I was wondering what peoples take on the 3800 V6 is. 06 Buick 3800 series III does it have a timing chain or a belt Does this engine have a Timing Chain or Timing. I replaced the timing belt on my 1996 Pontiac Grand Prix and now there is a noise in the front of the engine. There is no provision for a distributor. 8L V6 Partsology Engine Parts. Just had timing chain and timing chain assembly replaced. 8L V6 engine has had a production run lasting more than 30 years. If the valve timing is off then the engine will run poorly. The General Motors 3800 Series II 3. If the intermediate gear does not slide off easily with the timing chain, rotate the crankshaft back and forth to help loosen the tight fit. See our lemon odds and nada odds page to see vehicles with no repairs or vehicles with more than three repairs. Details of GM's 3800 Model Engine Recall. Welcome to. Trick Flow Specialties is a leading designer and manufacturer of high performance cylinder heads, intake manifolds, and engine components. If I pull fuse-11 for the fuel injectors and. Neither of my Buick V6's indicated that I had to change the timing gear at about 100-120K miles. 8 liter LUW/LWE inline four cylinder engine is produced by General Motors for use in subcompact and compact vehicles. I am not a hard driver (translation = slow). Most shops charge around $2,000-$2,500 to replace these chains. I guess my main question is. Is it a timing belt or timing chain engine? Looking at an 06 Grand Prix for the wife. To learn more, see reviews below. the engine had hemi heads so the distance between the cams was enormous compared to current day ohc engines (pentroof)that chain must have. The dealership passed the news on to me, which I objected to of course. 1997-2004 other applications with 3800 Series II or Series III engine CNC milled for better accuracy, these billet steel timing chain sets come with multiple induction-hardened keyway crank sprockets that are also indexed for easier timing setup. Here are some tips to help you determine if this is the case. View your Pontiac, Oldsmobile, Saturn, HUMMER or SAAB vehicle's specific recall information and active notifications at the GM Canada Owner Centre. The manual said I would have to drop the oil pan to remove the timing chain cover, but the cover came off easily without. Has plenty of heat. This procedure does not require the complete removal of the cam chain and associated parts, so repair time is shorter. Further investigation revealed a bolt that holds one of the timing chain guides had pulled out the head and was allowing the chain to slap around in there. A timing chain runs inside the engine, as it needs to be lubricated by the engine oil. 8L V6 engine has had a production run lasting more than 30 years. I replaced the timing belt on my 1996 Pontiac Grand Prix and now there is a noise in the front of the engine. The engine, originally designed and manufactured in the. I got all of the timing marks aligned correctly, and the chain tensioner is disengaged. I was wondering if it could be leaking and if it is possible to do the job myself without having to disconnect any lower motor mounts. 3800 Engine build. Now transfer case needs replaced. what are the symptoms of a worn timing chain? i have a 2001 s 10 that starts and idles great ,but when you try to take off it falls on its face although once you get upwards of 55 or 60 it smooths out and runs good till you hit a hill. If you think your sensor has failed, here are some common symptoms of a bad crankshaft sensor that can help you in determining whether or not it has failed. What you may be suffering from is the now infamous phenomenon known as Piston Slap. ACDelco GM Original Equipment Engine Timing Chain Tensioners help maintain a consistent amount of tension within the timing chain to help reduce the effect that slack has on the valve timing of the engine, and are GM-recommended replacements for your vehicle’s original components. This is the place to talk about brakes, suspension, lowering, wheels, tires, basically everything that affects your car's ride and handling. Just for a warning, when the timing chain goes on the 3800 they like to take the valves with them! It's better to be safe or sorry. 2008 Chevy Malibu 3. 2 "eco-tick" when the oil was cold, sounded like a diesel engine. 5L DOHC V6 engine. Below are some sample costs for having the timing chain replaced at some of the leading garage chains in the country. Has plenty of heat. 8 liter V-6 used in many models, like the Bonneville, LeSabre, and Grand Prix. It is NOTICEABLY quieter. The vehicle was also taken to an independent mechanic who confirmed that the timing chain needed to be replaced. I notice that GM uses it in quite a few cars. The red arrows point to three tensioners and the blue arrows are other timing chain guides. The new dampers, available from GM and are GM part Number 25535668 are more than twice the size of the new Damper and are made of solid metal. Below is a picture of a typical V6 Overhead Cam V6 engine (the GM 3. Neither of my Buick V6's indicated that I had to change the timing gear at about 100-120K miles. The venerable Buick 3. One said it was definitely a timing belt and the other one said it has a timing chain. I think I need to check the 3x and cam sensor at the same time just not sure what to look for. Timing Chain Noise On 1992-1997 GM 2. When a timing chain is loose,. The timing chains in the engine numbers listed below are prone to stretch. Symptoms of a Bad or Failing Timing Chain. In the letter it says "high oil consumption and any issues that it may have cause" I also saw that on the 10-11 model they replace the timing chain, guides, and actuators and a few other things. Belt? I had a timing chain problem, It made a noise. Had a bad knocking noise coming from the engine. The heads were changed to have equally spaced ports. The Piston Slap goes away once the engine warms up. GM's 3800 engine is a 3. Trick Flow Specialties is a leading designer and manufacturer of high performance cylinder heads, intake manifolds, and engine components. There is a metal. 6L Engine (LP1/LY7/LLT) should be no less than 10 years from the date the vehicle was originally placed in service or 120,000 miles (193,000 Km. It's a few hundred dollar repair. When you can hear this it really is bad as you've also used up all the available movement in the timing chain tensioner. Could this be a sticky lifter or something more serious? I cranked in a lot of advance on the 350 sbc which resulted in great throttle response. a simple search online of 2010 chevy camaro timing chain results in an extreme amount of complaints with the 2010 chevy camaro having the worst problems compared to other chevrolet products, with the #1 problem resulting in complaints of the premature timing chain wear. What is an unacceptable amount of chain stretch or play? At what point does changing the chain become critical? 1995 GM S-10 Service Manual says that if the chain has "more than 5/8" of side to side movement", it should be changed. Hi! I have a 2003 FWD CXL with the 3. This timing set comes with balanced camshaft sprockets and a true roller, Rolon timing chain. If the timing belt on a 1. • Valvetrain features advanced design silent timing chain for added durability and positive inlet valve stem seals for reduced oil consumption • Roller valve lifters for reduced friction and improved performance (All 1pc style engines) • Composite front timing cover for noise reduction and corrosion protection (Gen +). Why so expensive? While the chain itself isn’t all that much, the process of replacing involves some serious labor like taking out the entire engine and disconnecting the transmission. Easy to use parts catalog. Thanks in advance Jim 860-280-7519. Reference the model year with the corresponding engine to see if your car has a belt or a chain. Has anyone had to replace your transfer case? I have 2010 Equinox with 68,000 miles. Separated harmonic balancer. If the time has come for timing chain replacement on your Chevy 3800, we can supply you with everything you need including sprockets, tensioners, guides and cover. On most GM vehicles with V-8 or V-6 engines, a metal timing chain is used to connect the camshaft to the crankshaft. The 3800 Series II engine is a very reliable, efficient, smooth, durable and reliable engine as pushrods go. The plastic pieces coat the teeth of the camshaft gears around which the timing chain links. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. It began manufacturing the 3900 High-Value engine series in the. The longer it sits, the longer it lasts. Remove the timing chain, the crankshaft sprocket and the intermediate shaft sprocket as an assembly. Though for $45, you might as well do it while it's apart and have the piece of mind that you can rule out that area for problems. 8L/231 GM V6 Timing Chain and Gear Sets and get Free Shipping on Orders Over $99 at Summit Racing!. So back to the drawing board. How loose is a new chain suppose to be after installed? Reply 1: Good evening. Your Mechanic. Estimated Timing Chain Repair Cost. The vehicle was taken to an unknown dealer where it was diagnosed that the timing chain failed. 8L/231 GM V6 Timing Chain and Gear Sets and get Free Shipping on Orders Over $99 at Summit Racing!. Just for a warning, when the timing chain goes on the 3800 they like to take the valves with them! It's better to be safe or sorry. The bellhousing was changed to the narrow "GM Metric" pattern first seen on the 2. com FREE DELIVERY possible on eligible purchases. This timing set is a Crane Cams Pro Series single roller. To hear this, you will need to open the hood with the engine running and listen closely since it may be inaudible above the general engine noise while you sit in the car. It's a few hundred dollar repair. I have a 2002 Buick Regal with 174,000 miles. 45500 mi US $2812. It allows more oil to flow to the timing chain & tensioner. If you push in the clutch and the noise goes away, then comes back when it's let out, it's more likely you have a bad throw-out bearing in the clutch assy than the timing chain noise I believe the car in the above video is making. The first startup of the day, I hear a very brief, sharp rattle or rapping sound from the engine area. They started it up and said it was making a "god awful knocking noise" and that I need a new Engine. So it will be a first if I get this Buick. Below is a picture of a typical V6 Overhead Cam V6 engine (the GM 3. The bellhousing was changed to the narrow "GM Metric" pattern first seen on the 2. The Quad 4 was a chain-driven, dual overhead cam, four valve per cylinder four cylinder engine with an iron block and aluminium cylinder head, as well as aluminium parts like the oil pan, timing. The fix, involving replacement of the upper plastic (composite) intake manifold, gaskets, and peripherals is costly; but much less expensive than replacing the engine, which will have to be done if this repair is not completed. Hopefully this video will help you identify the problem and save you time and money. I replaced the timing belt on my 1996 Pontiac Grand Prix and now there is a noise in the front of the engine. We have over lots of customer reviews on Buick Timing Chain Kit to help you find exactly what you need. But they have issues with timing chains, needing replacement. GM recalled 1. The most common noise is a high frequency, light-knocking sound. Remove the camshaft timing chain, sprocket and tensioner. The crankshaft, located in the engine block, drives the camshaft using gears, a timing chain, or a timing belt. The oil pump is a gearrotor design on the end of the crank. got a good deal on it ,now i get to spend some of the money i. ACDelco GM Original Equipment Engine Timing Chain Tensioners help maintain a consistent amount of tension within the timing chain to help reduce the effect that slack has on the valve timing of the engine, and are GM-recommended replacements for your vehicle's original components. TOM: So I would say it's totally unnecessary. At first I suspected a bad water pump or some drive belt accessory but the noise is still there after I remove the serpentine belt. 30 Answers. Noise- A good indication that a timing chain has jumped is going be noise. according to Edmunds data. Refer to Camshaft Cover Removal Procedure in SI. the truck: 2003 GMC 1500 2 wd with a noisy 4. View your Pontiac, Oldsmobile, Saturn, HUMMER or SAAB vehicle's specific recall information and active notifications at the GM Owner Center. All of the engines in the High-Value series have 60-degree overhead valves. Motor problems. Now, on my 3800 However, it is a single link chain, (whatever you call that) so it is more prone to stretch as it ages, and they should be replaced, about every 100,000 kms or 60,000 miles. Do you have. The company was founded in 1903 by David Dunbar Buick, a Scottish industrialist. A rattling noise coming from the engine may show a seriously worn timing chain. I got all of the timing marks aligned correctly, and the chain tensioner is disengaged. The motor has developed a chirping sound. Don't let your Holden dealer tell you it's going to cost $3000+ to carry out the repair, it's a known design fault and was rectified in a manufacturing revision from -. If the chain slop is not excessive it is still possible that you have jumped a tooth especially if it is a rubber timing belt. On some 2010-2011 model year Buick LaCrosse, Chevrolet Equinox, and GMC Terrain; and 2011 model year Buick Regal vehicles, equipped with a 2. i have to get out there and start tearing this thing down. Over 6,000 Automotive Torque Specs. Now that annoying noise at 1500 rpm is gone, the SES light is off and acceleration is silky smooth! This site is great! Keep up the good work guys. A timing chain is a major component used to keep an engine's timing in sync, and replacing it is often an essential part of automobile maintenance. If a knock/rattle noise is present, replace the camshaft timing gear actuator. I think that mine may be the chain guide on the top of the cover and I'm waiting warmer weather to pull it off and see. 2 L) and initially marketed as Fireball at its introduction in 1962, was a large V6 engine used by General Motors. 6L (named the High-Feature engine). 45 mins for reprogram VS. What if there's only fine metal particles in the valve cover? I have a 3800 series 2 supercharged engine and the tapping noise is coming from the front top of the engine so I checked the oil for any signs of metal on the dipstick and there weren't any. Click any image for a larger version. Hi friends, I've got an interesting thing going on with what I have now narrowed down to the timing chain in an 11k mile 22re. Skip navigation Sign in. Does A Chevy Cruze Have A Timing Belt (Cambelt) Or A Chain? Here is a list of timing belts and timing chains for a Chevy Cruze. I believe in 2007 or 2008 GM changed the chain to reduce noise - a major compliant on the CTS's - that chain is thinner and was much quieterbut also not as robust in the 3. ZZPerformance offers 90# Valve Springs for the 3800 platform that are OEM GM LS6 springs. 3800 Engine build. What if there's only fine metal particles in the valve cover? I have a 3800 series 2 supercharged engine and the tapping noise is coming from the front top of the engine so I checked the oil for any signs of metal on the dipstick and there weren't any. For other ideas, visit Valiant Varieties or our vintage car repairs page. Timing chain options include both standard and roller chains to provide matches with the high quality sprockets and if necessary tensioner and guides that fit the application. When the engine first starts, just for about a second I can hear noise from the chain on the sweet plastic guide rails, but it quickly goes away. Rollmaster Timing Chain Sets Applications AMC / Rambler CS7100 Red Series 6 cyl 196-258ci DR AMC and Jeep CS7110 Red Series V8 290-401ci DR AMC and Jeep with Torrington Bearing CS7111 Gold Series V8 290-401ci DR AMC and Jeep with Torrington Bearing wth Nitrided Sprockets British Leyland MG CS8000 Red Series A Series DR Leyland Engine, Cooper S. car sat up for months on lot. After doing research at home, thousands of 2. When I removed the timing cover, I immediately discovered the source of the noise. Spend $3k on timing chain and have a 12/12k warrantee Spend $4k plus change for a short block … GM 19169323 3yr/36k warrantee Buy an extended warrantee … not sure if any are available since you’ve got 150k on the clock Buy a good running donor truck for under 5k and swap motors, then resell it and try to break even. Average repair cost is $1,000 at 85,850 miles. the timing is computer controlled,the only timing marks are on the cam where the timing chain is,,check compression on all cylinders,because getting to the timing chain is a big job,its behind the water pump,here are some videos for you, 1986 cutlass 3 8L timing chain replacement Crank Position Sensor Replacement Stalling 3800 3 8 Engine. To see how frequently 2011 Buick Regal problems occur, check out our car reliability stats. not getting any power , car is back firing used harmonic balance placed on car recentHow to change timing chain on a 3800 v6 on a 1988 nightyeight?get yourself a car repair manual at any car parts store. Current 3800 Series II V6 engines are ULEV certified since the 2000 model year. This typically occurs when the gasoline mixture in the combustion chamber explodes at the inappropriate time for most efficient. The timing chain on GM ecotec engines has always been loud, even this newer 1. I am considering buying a used Buick LeSabre (90s) for my son. It definately does only sound more pronounced when the rpm,s are lower and engine is. To replace timing chain on a 3. Remove the camshaft cover. Do you have. The most common noise is a high frequency, light-knocking sound. i did the old test of watching to dizzy rotor while turnin the crank with a breaker bar. Timing chain options include both standard and roller chains to provide matches with the high quality sprockets and if necessary tensioner and guides that fit the application. 2 "eco-tick" when the oil was cold, sounded like a diesel engine. Doesnt seem to be fan clutch because when i put my hand on the front of the motor ( plastic thing that i think is the valve cover) i can feel the vibration under my hand and it goes right along with the noise that im hearing. NISSAN MAXIMA WHINING NOISE FROM TIMING CHAIN AREA - 2004-2008 Maxima (A34) 2004-2006 Altima (L31) with VQ35 engine ONLY 2004-2009 Quest (V42) IF YOU CONFIRM: There is a high frequency buzzing / whining noise coming from the secondary timing chain system. 6L) Timing Belt (GM) Timing Belt (Ford) Timing Belts (list of interference engines) Timing Belt (Toyota & Honda) Timing Belt Warranty Warning Timing Chains & Belts Timing Chain Replacement (Mazda & Ford 3. The noise sounds like a bad bearing. Hello, its 01 Malibu with GM 3100 165,000 miles, I bought the car from a mechanic told me the tapping/clicking noise was bad Valve, I bought the car for very cheap, the car runs good no missfire, starts right up, after thinking about it if it was bent valve the car would missfire, anyways I was sure it was lifters, I took the engine a parts everything looks good but the lifters the top plates. How loose is a new chain suppose to be after installed? Reply 1: Good evening. it needed a timing chain. Our goal is to provide only the highest quality aftermarket parts to the performance-minded Pontiac Grand Prix enthusiast (and other similarly powered cars) We specialize in custom made products, GM 3800 Series II V6 tuning, and performance product installations. Sounded like some little 'whirring' thing caught in a blender. now the noise isnt tooo terrible, but you can hear it for sure. Both the exterior and. 1 Chevy Lumina engine, you need to first make sure that your motor or engine is turned off. The timing chain has a series of chain guides with one or more also operated by an oil pressure tensioner. 6, but have not heard that the design flaw was ever corrected. As mentioned before, the Vortec 4200 was the first GM truck engine to feature variable valve timing. 3800 Engine build. The noise sounds like a bad bearing. He already had taken it to a local shop and got a grim diagnosis. Timing chain noise is most noticeable on cold startup when oil pressure and flow is at its lowest. Have read about major timing chain issues for the 3. Buick Park Ave - 3800 Lack of Power, Noise Upon Accel. AdvertisementClick Here to Read MoreAdvertisement The first Buick 3. Camshaft | Source To determine which cylinder is in its power stroke, your car's computer monitors the rotating position of the camshaft relative to the crankshaft position using a camshaft position (CMP) sensor. Do these V6 engines have a timing belt or chain? In case anyone wants to rant, I am also considering Toyota Camry or Avalon, and the Ford Crown Vic/Mer/Lincoln triplets. The General Motors 3800 Series II 3. Premature Timing Chain Wear - Reprogram ECM Models: 2007 GMC Acadia, Saturn OUTLOOK 2007-09 Cadillac CTS, SRX, STS 2009 Buick Enclave, Chevrolet Traverse, GMC Acadia, Saturn OUTLOOK Equipped with a HFV6 Engine To: All GM Dealers Attention: General Manager, Service Manager, Parts Manager, Used Vehicle Sales Manager, and Warranty Administrator. She starts cold on 3000 rpm but when I disconnect and connect again the throttle position sensor wire - she goes down to normal. I think I need to check the 3x and cam sensor at the same time just not sure what to look for. Listen for any abnormal engine noises, with the engine idling, in the vicinity of the timing. 8L-231ci-V6 Engine Torque Specs. TIMING GEAR OR CHAIN AND SPROCKET NOISE Engines designed with timing gears, or those equipped with a timing chain and sprockets, can produce different noise. Fooling around with the timing chains or belts in an interference engine can be a nerve racking task, especially when it comes to turning the key after your handy work is complete. Timing Chain Jumped Symptoms. I wonder though, if I can get the dealership to diagnose the noise as a soon-to-fail timing chain and have the warranty company sanction the repair rather than waiting till it actually breaks and doubles the repair cost. Just received a call from the Dealership and indeed they are replacing the timing chain, and yes it does fall under a special warranty exception. The heads were changed to have equally spaced ports. However, before they break, they usually loosen. I searched this site and found 3 suggestions. The vehicle was also taken to an independent mechanic who confirmed that the timing chain needed to be replaced. Is this problem only with certain models/year. Ticking/Tapping Or Rattle Type Noise On Start Up After A Cold Soak $3800 will be. Most shops charge around $2,000-$2,500 to replace these chains. The 3800 was on the Ward's 10 Best Engines of the 20th century list, and is one of the most-produced engines in history. Symptoms or signs of a bad timing chain Of the three methods of connecting the crankshaft to the camshaft, only the timing chain can actually give some signs before it fails. Timing is an essential aspect of car motor operation. I was wondering if the IS 250/350 has a Timing Belt or Timing Chain? I called 2 dealers in my state and they each had a different answer. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. One of the more common symptoms of a worn timing chain is noise, especially on startup. GM was waiting for a certain number of fails before reacting to the problem/ they were finding the best way to go about fixing this with out causing customers loss of vehicles for multiple days for a Timing Chain Recall. I also found that there was a timing chain recall/Special Coverage Adjustment for Timing Chain Wear on 2007 CTS and others that extended the warranty to 10 years, 120k miles (I believe). All of a sudden one day as I was driving and the car suddenly began to make a loud knocking noise and has ever since! Not only is it embarrass. The manual said I would have to drop the oil pan to remove the timing chain cover, but the cover came off easily without. The limited warranty covers repairs to correct defects to the powertrain components listed below related to materials or workmanship occurring during the warranty period, excluding slight noise, vibrations, or other normal. When replacing the timing chain, there are other items that should be replaced as a matter of course. 1 Chevy Lumina engine, you need to first make sure that your motor or engine is turned off. Hi friends, I've got an interesting thing going on with what I have now narrowed down to the timing chain in an 11k mile 22re. If the owner of the vehicle indicates a noise concern, inspect the timing chain and tension In addition, confirm oil flow from the front oil passage plug and replace the timing chain, timing chain tensioner, and both the camshaft and the crankshaft sprocket if necessary to correct the noise. When an owner neglects oil changes or uses the wrong oil, the timing chain pins wear, causing the chain to stretch. Melling timing chain kits provide an efficient and economical way to provide the timing components needed for a quality engine rebuild. The noise got louder the higher the RPMs got. A gear-drive timing set being promoted and sold via a few unethical so-called diesel discussion groups is BAD idea. ACDelco GM Original Equipment Engine Timing Chain Tensioners help maintain a consistent amount of tension within the timing chain to help reduce the effect that slack has on the valve timing of the engine, and are GM-recommended replacements for your vehicle's original components. The fix, involving replacement of the upper plastic (composite) intake manifold, gaskets, and peripherals is costly; but much less expensive than replacing the engine, which will have to be done if this repair is not completed. A good tune-up with high quality wires, rotor, and distributor cap can often permanently solve stalling. Buick Lacrosse 3. She starts cold on 3000 rpm but when I disconnect and connect again the throttle position sensor wire – she goes down to normal. 2009 Chevrolet Traverse LT 3rd Row 3. The spring in the cam button had weakened and was slapping against the timing cover casting. 45 mins for reprogram VS. Timing Chain Replacement Cost Comparison. GM's 3800 engine is a 3. Chevy Equinox 2005 had serpentine belt off because of cat caught in engine. 7-liter Hemis with MDS built between 2009 and 2012 are off the chain, and not in a good way. A timing chain is a major component used to keep an engine's timing in sync, and replacing it is often an essential part of automobile maintenance. '12 F150 Ecoboost timing chain problem Eventually called Ford head office and they told me they are aware of this noise but claimed it was a characteristic of the. Slack in the chain allows it to strike the timing cover. The introduction of the small block Chevy in 1955 started it all. The GM 3900 V6 engine is also called the 3900 High-Value V6 and is part of the High Value engine series by GM. STATE-OF-THE-ART TECHNOLOGIES. I cannot get the new chain to go on. The red arrows point to three tensioners and the blue arrows are other timing chain guides. I believe the Cadillic CTS also is having timing chain issues. she heard a clicking noise upon start up. Now it seems the new host of chronic alternator eating is the Olds 3. You can only upload files of type PNG, JPG or JPEG. If the time has come for timing chain replacement on your Chevy 3800, we can supply you with everything you need including sprockets, tensioners, guides and cover. One of the more common symptoms of a worn timing chain is noise, especially on startup. 3800 series 2 broken timing chain advice had a bent valve it would be making noise or turning over hard. The car runs great, but a service manager told me that these engines are prone to having their timing chains break at 100,000 miles or so. How big of a job is it to replace the timing chain and gears on this car? 1994 Buick LeSabre / Timing chain; I have a 1997 pontiac grand prix gt v6 3800. Refer to Camshaft Timing Chain, Sprocket and Tensioner Removal in SI. Please be aware, we are still experiencing longer than usual shipping times from GM due to their backlog from the UAW strike. 5-liter inline 4-cylinder and 3. The 2011 Chevrolet Malibu has 6 problems reported for timing chain broke. Hi, I've got an '01 Impala, 3800 with 150K miles that basically runs fine. The longer it sits, the longer it lasts. GM 3800 Series II 3.