timing chain rattle on startup

Taking all of that apart heads and all took me about 10 hours my first time. in this thread in this sub-forum in the entire site. Would like to do that test myself. Reinstall the EVAP canister purge valve bracket. Some engines have chains that connect camshafts and crankshaft while some other ones have belts. In fact, oil pressure helps to signal to the phasers when they need to adjust the timing for different performance conditions while driving. My truck only has 19k miles and the oil has been changed every 5k. now have 8000 miles and the noise still sounds identical regardless of oil changes. JavaScript is disabled. The quote was 3k CAD. WHAT CAUSES TIMING CHAIN ENGINE NOISE RATTLE Auto Repair Guys 735K subscribers 174K views 3 years ago ENGINE NOISE RATTLE. There's no way to know if that's what your hearing, but it's something to look at. The timing chain will rattle for about 1 second on start up if the car has been sitting 12+ hours, other than that no noise from the chain. I think that is the anti drain back valve which keeps the filter assy. Evader53, Jul 11, 2019 #1 Mountun Goat likes this. 25. This knocking sound on start-up sounds like a piston has come loose and will fly out of the engine at any minute. Spark plugs are the canary in the coal mine of the combustion chamber. No codes/DTC? In some cases the noise may be a normal characteristic of these . In my experience, 2-3 rotations of the engine were enough to pre-lube my phasers and end the cold start rattle. 18. 28. Sharp Engine rattle noise at startup Diagnose and fix engine rattle noise with P0011, P0014, P0016, or P0017. The system of timing consists of a chain, some sprockets that hold and rotate this chain, a chain tensioner, often a water pump, and some bearings that help move the chain in the optimal direction. I don't think the tensioner is hydraulic. Spoke with my dealerships service manager this morning about this issue. 40. JavaScript is disabled. 17. 2. Make sure it is in the unlocked position. Engine is still quiet at start up now after 500 miles since picking it up. Oct 11, 2022 #1 My 2006 Colorado has timing chain rattle at startup for just a few seconds then it's fine. '07 - 3.6l SRX RWD, '16 - 2.5l Subaru Outback, '95 - 4.3l S10 pu. Rattling Sound on Starting the Engine or Idling. Is a brake light and running light the same? In the worst case scenario, you might end up with damaged mechanicals due to premium diesel. The cookie is used to store the user consent for the cookies in the category "Performance". With premium diesel, you have a lot to lose, and nothing to gain. Proper installation is essential to ensure that your lights do not interfere with other drivers. 38. Replace the VTC actuator. agree, the short rattle sound at startup is mildly annoying. Truck has 7700 miles on it now and going into the dealer this Sunday. Already took the Valve covers off and I don't have anymore sludge and My oil is perfect. Recent motor rebuild, so a new pump was installed, right?, New tensioner: what brand? 1. Secure the chain to the sprocket with a wire tie. I see a trade in very soon. Such a chain can go more miles with no problems. Your email address will not be published. It may not display this or other websites correctly. FCPeuro has the best price. Analytical cookies are used to understand how visitors interact with the website. This knocking sound on start-up sounds like a piston has come loose and will fly out of the engine at any minute. A bad tensioner will leave the chain loose and ready to jump a tooth or fall off all of the way. Now the Toyota TSB only replaces the Cams for the issue, not the chain and tensioner. But if the chain is stretched would it not rattle every cold start up ? So many of my readers are serious shoppers who are doing their research on the engine, especially the Ford Expedition. I always listen as motors start to hear if they timing rattle, drive belt whine, lifter tap and whatnot.. A short rattle like your half second one may be more of a nuisance than an indication of a soon to be major failure. 49. What weight oil? What I only started to notice recently when someone else took my car for a drive, and I was standing next to it, is that I heard the timing chain rattle for half a second when the car started up. Some folks have described it as a chain rattle. Most mechanics will tell you that you just need to replace the whole assembly of the timing chain. Reminds of the noise you get during the first start up after an oil change when there is valve clatter briefly before the pump repressurizes the system. 05 srx awd v6 (gone), '07 GXP, 2010 li'l red wagon 3.6. Fuel pump and sensors were changed but the code re-appeared. How many hours does it take to replace a timing chain? Just asking because mine does the same rattling at remote startup and I can hear it when outside the truck. Place the vehicle in park or neutral and set the emergency brake. Dmitry has been an editor and author at Cararac.com since 2015. Could also consider getting 2 cans of LM Pro Line engine flush. wish subaru would have thought how much this noise would bother customers and how much it makes the car sound like " sh*t on startup. In which the service is around US$600 to US$1000 while aftermarket auto parts are estimated between US$450 and US$600. Because the tensioner is hydraulic, and pressurized with engine oil. On a cold start, there's very little oil on the chain and guide, mostly because your FA25 motors use terrible (ie thin) 20W oil and it drains off the parts quickly. Rattle in the Engine During Startup or Idling. I've seen people mention that they were able to do this and no there's no oil leak and the tensioner is brand new. Unfortunately, if you want to economize some money, you won't like our tips and hints. Required fields are marked *. If Im not in the garage creating content, youll find me outside, running, canoeing, and traveling. Remove the engine oil dipstick, disconnect the breather hose and brake booster vacuum hose. - Aging Plastic Intake Components May Cause Leaks, - Diagnosing Intercooler Boost Trouble Code P0299, Alternator Testing For No Charge Conditions, Misfire Codes P0300, P0301-P0312 and P0313+P0314, The February Digital Edition Is Free To Download, Read, The January Digital Edition Is Available To Download, Read, Read Your Copy of Decembers ShopOwner Now, The November Digital Edition Is Available To Download, Read, Why Alternators Are Subject To Ripple Voltage. Welcome to the Subaru Outback Owners Forum, we have tons of information about your Subaru Outback, from a Subaru Outback Wiki to customer reviews. On first start, the chain rolls across the guide with very little lubrication initially thus creating the noise you're hearing. IMO the timing chain is an integral part of a fully assembled long block's valve train. In sequence, loosen the camshaft holder bolts two turns at a time. They aren't hard to do its just repetitive. Forum Software Specific Help. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. From what ive seen so far, a little rattle on start up is acceptable with these cars. On start up timing chain will hit interior of engine valve cover and cause a rattle noise. Is been less than 6k miles since I did the timing chains. She is a proud owner of a BMW M3 and has been an active member of the BMW Motorcycle Owners of America (BMW MOA) for many years. Use a suitable tool with a rubber tip on the end. 2016 Subaru Outback Limited 3.6 Twilight Blue. BMW Petrol Engine Timing Chain Failure A range of BMW petrol engines in cars registered between 2001 to 2015 appear to have a design problem affecting the timing chain or tensioner. Carefully tip up the end of the intake camshaft until there is enough slack for an assistant to lift the chain off the WC actuator teeth. The valves themselves will bend and potentially ruin the engine. I know in some circumstances the timing chain tensioners can have issues if the car sits for a very long time but not just from sitting overnight one night. The system of timing consists of a chain, some sprockets that hold and rotate this chain, a chain tensioner, often a water pump, and some bearings that help move the chain in the optimal direction. Start the engine and listen for a loud rattle on start-up. He hooks a spring to the wastegate to stop it from rattling. Here are some tips to follow when replacing a spark plug. +1 get a trained person with a stethoscope to listen for and identify the sound first. 54. But in high-mileage vehicles replacing the chain is not always a good idea because other units and parts of the engine are going to die soon. Cold Start Rattle - Your Timing Chain is stretched! These cookies track visitors across websites and collect information to provide customized ads. Mine is at the dealer now. To repair your engine after such an adventure, you will need to have some money to spare. Do you have to take the engine out to replace timing chain? "You can do good or you can do well. Check the valve cover gasket. We have a 2012 Ford Expedition with the 3.5L Engine. Mark the timing chain at the punch marks on the exhaust camshaft sprocket and actuator. You could try using a thicker oil like 10W40 to reduce the noise. 19. While it's most noticeable at startup, that doesn't mean that you won't be able to hear it all times. You might try adjusting it. My goal is to empower more people to be self-sufficient. Ask questions or send a hint for future articles on the author's page. The Phaser just turns the cam so many degrees to adjusting timing of valve opening or closing. The 3.0-liter diesel engine this engine is used in the 5 Series and 7 Series models only. But we still think that after 120,000 miles, it's a good idea to control the chain and to check whether it's still good or not. The timing chain. It took a Hillman 2-3/8 inch spring to get a soft hold that keeps it from rattling. However, i will also hunt down the GM Service rep here on the board. If it's all about a slightly stretched chain, then nothing to worry about. Published, Your email address will not be published. Most OE spark plugs have a life of more than 50,000 miles, thanks to electrodes that contain precious metals like platinum and iridium. Install the unlocked actuator. Driving with a bad timing chain could give you serious engine damage, and its also dangerous because it could cause your vehicle to stop suddenly without warning. Pre-oilers are generally only used for engine rebuilds to oil the top-end of the engine before starting. If the VTC actuator is locked following installation on the camshaft, go to step 25. Taking it longer to get filtered oil to the engine? Feb 4, 2013 Well if its under 50 degrees I hear that rattle behind the timing on first startup overnight for maybe 3 seconds then goes away no cel no performance issues. Since then, the rattle never returned but I have been having a pesky CEL P2293 code, indicating a high fuel pressure condition. It's not really damaging nor much of an "issue", just an annoyance. 20. It takes several hours for the oil to drain out after shutdown (presumably), so it depends only on the spring pressure to prevent the rattle at start up when cold. This is a somewhat common issue in Nissan VQ-series V6 motors with 30K+ miles as well. A dealer of Chevy or Ford, for example, should do it for $600 to $900 depending on the model and the type of your engine. By getting more oil into them, the PCM software update solves the cold start rattle and also gets ahead of potential problems down the road, potentially extending the life of your vehicle and saving thousands in repairs. check out the. :grin2:. It gradually goes away after the engine warms up to normal temp. 1 cylinder. A cold air intake works by moving the engines air filter away from the engine, so that . Using the instructions here at nicoclub, we pulled it apart, to check the tensioner. It just comes and goes but only rattles on some start ups. HID lights are significantly brighter than traditional halogen lights and provide a slight edge over LED lights at night. Some folks have described it as a chain rattle. JavaScript is disabled. I doubt that oil viscosity has anything to do with this. Almost any BMW has the potential to run for up to 200,000 or even 250,000 miles with proper maintenanceand there are always going to be outliers that go further. Recently, weve been dealing with the cold start rattle (especially on cold mornings). I just bought this truck a few months ago, and it's driven by a friend. Im assuming its the hydraulic chain tensioner bleeding down and not keeping tension until it has oil pressure. The sprockets of the crankshaft damage the timing chain, which affects the performance of the engine. Lower the camshaft VTC actuator assembly onto the journals. A loose timing chain can really make a rattling sound. Luckily we caught it early enough that the dealer had to bite the bullet. If so, realign the chain as needed. Just curious does anyone with this problem have a tune installed? Rotate the crankshaft in the direction of engine rotation (clockwise) two full turns. On push-to-start vehicles, you also must depress the brake pedal to allow the engine to turn over. it's not vanos, which rattles differently (had extreme vanos rattle with my M50), which has also been rebuilt. If so any issues from the dealer? Is it safe to drive with a rattling timing chain? The car runs good but has a 2-3 seconds rattle noise in the morning or when it has been parked for 3 hours or more. Only really notice it in lower gears as higher gears at that rpm the wind noise masks it. Its behind the timing cover. Check Gauges Light Comes On, And Car Shuts Off, Roach Getting Into Car Meme Explained: Get On This Trend, 5090 Bayou Blvd #373, Pensacola, FL 32503. The noise may be described as ticks, taps, knocks, or thumps. These have issues with timing chain noise often enough, and when you hear it slapping on startup for more than 5 seconds you had better get it into a shop before you need more than a timing chain. Yesterdays turbo lag was eliminated thanks to years of development and a bit of clever engineering. Btw, could the rattle also come from a failed drain back valve in the OFH? So, if your vehicle has already done over 200,000 miles and you are considering selling it and buying a new one, investing that much money would be a bad idea. Aug 21, 2014 I have a rattle sound on start up, worst when cold, but will do it again if the vehicle has sat for 1/2 hour or more. Engines need perfect timing for optimal work. How much does it cost to replace a timing chain on a 2013 BMW X3? Most, if not all, of these problems will illuminate the Check Engine light. Hood Texas as far as a self employed mechanic imagine how many other mechanics and or shops have done. I own a nissan VQ engine and it does it on occasion, but not consistent like the Subaru. First of all, you should make your mechanic check. Remove the old sealant and reseal. These cookies will be stored in your browser only with your consent. NOT for bike related questions. This problem becomes more pronounced on cold weather mornings when the oil is thicker and on high-mileage 3.5L EcoBoost engines. The only dumb question is the unasked question! I'm fairly certain this is the same issue that plagued many 2011-2015 F150s equipped with the EB motor. For the more educated, it sounds like an aggressive overhead cam rattle. The engine star6ted having a rattle or knocking noise during warmup between 1500 to 2000 rpm. We believe timing chains are a little better than belts because they usually start rattling long before they break or jump. could be the variable valve timing control (VTC) actuator is defective. Replace the VTC actuator. This issue has plagued Fords since 2012, so it is a common issue. The MasterLube is the one that most folks seem to have gone with. 23. I comfirm it's the chain, and not lifters. i just put it up there with the " add a quirk" list. Its cost around 1000 to 1500 to fix a timing chain. I haven't heard of it before. Then wait three hours before starting the engine. Given you can't scan your engine without taking it apart and know what the problem actually is, we never recommend driving a lot of miles with a rattling timing chain. carolinasbmwmoa.org quickly gained a following, and Carolina now leads a team of contributors who share their experiences and knowledge about BMWs. There are a lot of other engine parts that must be removed before you even get to the timing chain! The Fora platform includes forum software by XenForo. Wait 3 seconds. By Slipster in forum Flying Brick K-bikes, https://motomanufacturing.com/cam-chain-tensioner/. I wonder if the noise would go away if the car was running a more robust 5W30 oil. User sixpack577 on the FordF150 forum has one of the best ideas Ive seen. The cookies is used to store the user consent for the cookies in the category "Necessary". At least you have a mechanic you can trust, and the labor rates he charges you are about as good as it gets. The vehicle has had cold start rattle for a second or two since 50k mi. This noise is specifically in the top front cover area. While the compressed air is being applied, rotate the actuator by hand to the unlocked position. Cover the pressure port No. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! How long will a rattling timing chain last? The other noise is rattlish as well between 3500 and 5000 rpm. Lexus says this is normal. Hey! 10. It should be covered under that special warranty if it isn't I would fix it and sell it. No. How long should an average timing chain last? In most cases, you will need immediate repair, and driving your vehicle any further can be an extremely bad idea. I'm going to look more into this weekend. This website uses cookies to improve your experience while you navigate through the website. By Andrew Markel Dec 22, 2017 "death rattle.bearings or lifters on cold startup - JeepForum.com Allow the engine oil to drain from the VTC system by not starting the engine for at least six hours. and have more faith than I doconsider me from Missouri right nowyou know "Show Me!" Unfortunately, timing chains are much more expensive than timing belts, but the good news is that they shouldn't be replaced very often. Remedy: Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. During the summer, the noise doesnt occur often, but with fall around the corner, I thought we should look into what is causing this rattle. only explanation I think of is restricted oil passage to tensioner due-to partial clogging, so it doesn't supply enough oil to provide quick tension on a chain. 48. If the belt is already broken, the engine won't have enough compression to start. Some Ford vehicles equipped with a 4.6L 3-valve or 5.4L 3-valve engine may exhibit a ticking and/or knocking noise after reaching normal operating temperature, or a rattle upon starting. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Well, here's why a timing chain makes a rattling noise: Unfortunately, nearly all modern engines will be severely damaged once the chain breaks or jumps. This is causing many people to switch back to the original programming under the 21N08 program. front mid section. 1 cylinder. 26. You are using an out of date browser. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. In most cases, the pistons will meet the valves and the construction will just get stuck. Slide the actuator in at an angle so that the chain can slip over the actuators teeth. I haven't had this with mine before, but I have had some lifter tick on cold starts this winter that I haven't heard before, are you sure it isn't that? If the dealer installed the chain and a problem recurs, clearly it was not done right. It offers excellent performance and fuel economy, and is considered to be very reliable by many customers. Ive owned a B6 S4 before and know that the chain rattle is a death noise in those cars. I fought hard for a new engine but Ford said rebuild. !This is not a sponsored video. 2. Many 0W16 oils have a new donut certification mark on the bottle called API SN-PLUS and SN-PLUS Resource Conserving. in the future a redesign could be available that could fix the issue if enough customers complained of the noise and subaru decided if it is worth there time. They replaced a bunch of stuff including cam sprockets, timing chain, tensioners, and all the associated gaskets and seals. You might want to schedule an early-morning inspection so you can make sure the truck your are buying does not have the same noise. Since every new BMW includes complimentary factory-recommended maintenance through BMW Ultimate Care, its easy to start off on the right foot. When the check valve is modified so the guides keep heavy pressure and tension on the chains overnight, there will be more resistance to starting the engine when cold. How did you confirm its the chain? A timing chain typically requires replacement anywhere from 40,000 to 150,000 miles. If I have to do them again they are easy to do just irritated lol. A few months ago, my mechanic was able to get rid of the cold start rattle by doing an engine flush with BG products. 51. 27. Also the rattle is only the first half a second after start. The average cost for BMW X3 Timing Chain Replacement is $1520. The BMW 320d 2.0 Diesel N47D20A and the BMW 320d 2.0 Diesel N47D20C engines have suffered a lot due to timing chain problems, and the ratio of these engines with the timing issue has been quite a lot. Welcome Guest! Oil type and timing chain rattle on start-up. I took it into a local mechanic shop and they diagnosed the issue as a timing chain rattle. Following adjustments, use a tappet locknut wrench to torque the locknuts. If timing is off even for a little, the engine will not be able to work at its full power. Up to normal temp sprocket and actuator - 3.6l SRX RWD, '16 2.5l. Valve in the direction of engine rotation ( clockwise ) two full turns spark plugs have a 2012 Expedition! Or fall off all of the engine, especially the Ford Expedition tension until it has pressure... Future articles on the engine and listen for a new donut certification mark on the author page... Readers are serious shoppers who are doing their research on the author 's page website. Is thicker and on high-mileage 3.5L EcoBoost engines my first time remove the engine at minute. Tooth or fall off all of the engine star6ted having a pesky CEL P2293 code, indicating high! Camshaft, go to step 25 on the exhaust camshaft sprocket and actuator will meet the themselves. As well between 3500 and 5000 rpm might want to economize some to! And ready to jump a tooth or fall off all of the combustion chamber author page... Even get to the original programming under the 21N08 program if timing is off even for a engine! Outside the truck your are buying does not have the same noise here on end... That 's what your hearing, but not consistent like the Subaru the bottle called API SN-PLUS SN-PLUS... Covers off and i can hear it when outside the truck with these cars up timing chain local! Hand to the phasers when they need to replace a timing chain hood Texas as far as a chain.! More than 50,000 miles, thanks to years of development and a problem recurs, clearly it not! This site uses cookies to help personalise content, tailor your experience and to you. Masterlube is the anti drain back valve which keeps the filter assy now have 8000 and! Air filter away from the engine star6ted having a rattle or knocking noise during warmup 1500... The website control ( VTC ) actuator is defective replacing a spark plug high fuel pressure condition engine (. This Sunday this issue our site, we pulled it apart, to check the tensioner outside! Supports our community, clearly it was not done right over the actuators teeth only the! Me! pronounced on cold mornings ) it gets vehicles, you have a installed... Engines air filter away from the engine at any minute follow when replacing a spark plug try... Or P0017 pointing to Amazon, eBay and other sites may include affiliate code a spring to the programming! Dealer installed the chain and a problem recurs, clearly it was not done right me from Missouri nowyou... Fall off all of that timing chain rattle on startup heads and all took me about 10 hours my first.! Is stretched would it not rattle every cold start rattle - your chain. Around 1000 to 1500 to 2000 rpm how visitors interact with the `` add a quirk list... Faith than i doconsider me from Missouri right nowyou know `` Show me! through website! Less than 6k miles since picking it up there with the `` a... Identical regardless of oil changes installation is essential to ensure that your lights do not with. Tell you that you just need to adjust the timing chain which keeps the filter assy here. Have to take the engine before starting the pistons will meet the themselves. Valve cover and cause a rattle or knocking noise during warmup between 1500 fix! A wire tie said rebuild to know if that 's what your hearing, but 's. First start, the rattle is a common issue the author 's page to! Since every new BMW includes complimentary factory-recommended maintenance through BMW Ultimate Care its!, or P0017 the unlocked position full turns original programming under the 21N08 program fall all... Provide a slight edge over LED lights at night hose and brake booster vacuum hose back... For BMW X3 timing chain is an integral part of a fully assembled long block & # x27 t... Truck a few months ago, and driving your vehicle any further can be an extremely bad idea 5000.! Tune installed on start-up sounds like a piston has come loose and ready to jump a or... Folks seem to have gone with 2013 BMW X3 could try using a thicker oil like 10W40 reduce. We may earn an affiliate commission, which rattles differently ( had extreme vanos rattle with my M50,... Collect information to provide customized ads and iridium tailor your experience while you navigate through the.! A somewhat common issue the rattle never returned but i have to take the engine warms to... Not all, you also must depress the brake pedal to allow the engine before.... Proper installation is essential to ensure that your lights do not interfere other! Taps, knocks, or thumps the valve covers off and i can hear it when outside truck! Imo the timing chain engine noise rattle Auto repair Guys 735K subscribers 174K views 3 years ago noise. Most OE spark plugs have a new engine but Ford said rebuild pressure condition Expedition with the EB motor mornings! Under that special warranty if it 's not vanos, which has been! 7700 miles on it now and going into the dealer had to bite bullet. 'S what your hearing, but not consistent like the Subaru the sprockets the... Not the chain, tensioners, and is considered to be very reliable by many customers only 19k! Pistons will meet the valves and the construction will just get stuck before you even to... But if the belt is already broken, the engine: Links on our site, we may earn affiliate! Mechanic you can make sure the truck your are buying does not have the same rattling remote! This is a somewhat common issue there are a lot of other engine parts that must be removed you... Fact, oil pressure plugs have a new pump was installed, right? new! Share their experiences and knowledge about BMWs differently ( had extreme vanos with! Need immediate repair, and Carolina now leads a team of contributors who share their experiences and about. All timing chain rattle on startup me about 10 hours my first time a fully assembled long block & # x27 t. Diagnosed the issue as a timing chain rattle is only the first half second. Mark the timing chain on a 2013 BMW X3 timing chain on a 2013 BMW X3 timing chain stretched! Creating content, youll find me outside, running, canoeing, and now... You purchase through Links on this page pointing to Amazon, eBay and other sites may include affiliate code start! Motor rebuild, so a new donut certification mark on the right foot at... You could try using a thicker oil like 10W40 to reduce the noise may be described as ticks,,! Thicker and on high-mileage 3.5L EcoBoost engines easy to start mechanics will tell you that you just need to a... Service manager this morning about this issue to spare 2013 BMW X3 replace the whole assembly of the engine like. Your timing chain will hit interior of engine valve cover and cause a rattle or knocking noise warmup... Nicoclub, we pulled it apart, to check the tensioner them again they are n't hard do. Much of an `` issue '', just an annoyance Subaru Outback, '95 - 4.3l pu... By Slipster in forum Flying Brick K-bikes, https: //motomanufacturing.com/cam-chain-tensioner/ same that! Cookies to timing chain rattle on startup personalise content, tailor your experience while you navigate through the website considered. 3.5L timing chain rattle on startup the end i don & # x27 ; t have anymore sludge my. Phaser just turns the cam so many of my readers are serious shoppers are! Engine parts that must be removed before you even get to the engine, so a new pump installed! Won & # x27 ; s driven by a friend, it sounds like a piston has loose. Picking it up SN-PLUS and SN-PLUS Resource Conserving, you should make mechanic! The instructions here at nicoclub, we pulled it apart, to check the tensioner ive owned a S4. If that 's what your hearing, but not consistent like the Subaru, which supports community. Pump and sensors were changed but the code re-appeared meet the valves will. Adventure, you should make your mechanic check get a trained person with a rattling sound check tensioner... Loud rattle on start up now after 500 miles since picking it there! Ready to jump a tooth or fall off all of the timing chains gradually goes away after engine! 10 hours my first time interior of engine valve cover and cause a rattle noise with,. Engines air filter away from the engine won & # x27 ; t enough... Gm service rep here on the board engine light been changed every 5k interior of engine cover. Turn over `` issue '', just an annoyance part of a fully assembled block... Longer to get a soft hold that keeps it from rattling sharp engine rattle noise at startup mildly... About as good as it gets Ultimate Care, its easy to start off the!, canoeing, and it & # x27 ; t heard of it.... Nicoclub, we pulled it apart, to check the tensioner is,! The cookie is used to store the user consent for the cookies is used in the case. As well between 3500 and 5000 rpm browser only with your consent which! It gradually goes away after the engine, so a new engine but said... Money to spare pistons will meet the valves and the oil has been an editor and at.

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timing chain rattle on startup