Hey! The valves themselves will bend and potentially ruin the engine. The chain may suddenly break at any moment. With the gas pedal depressed, the engine will not start, allowing you to prime the phasers with that much-needed oil pressure and decreasing wear. So, if you are planning to drive your vehicle for a long time, the best decision is to replace the whole kit and forget about any problems with a rattling chain. How did you confirm its the chain? Do not force it on. The Fora platform includes forum software by XenForo. One of the problems that nearly all chains have after some time is rattling noise. A loose timing chain can really make a rattling sound. No. Why does the chain rattle when cold? 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. Anything I can do to save $8500 is worth it. In the final step, torque all bolts in sequence to 12 Nm (8.7 lb-ft). The cost of labor depends on the chosen shop. 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. Others have postured that it is an exhaust leak. Oct 11, 2022 #1 My 2006 Colorado has timing chain rattle at startup for just a few seconds then it's fine. 43. Then stop at the TDC mark. now have 8000 miles and the noise still sounds identical regardless of oil changes. Apply clean engine oil to the mounting bolt threads, then install the mounting bolt, finger tighten. Most mechanics will tell you that you just need to replace the whole assembly of the timing chain. if you wish to stay logged in. This cookie is set by GDPR Cookie Consent plugin. This site is too much fun to not be a supporter, Some of what I know comes from experience, some from reading or listening,-, Informal Lounge, Introductions, General Discussion, FWD DeVille 1985-2005, Fleetwood, and 60 Special. The average life of these timing chains is 90,000 miles or 9 years. Remove the engine oil dipstick, disconnect the breather hose and brake booster vacuum hose. If the new VTC actuator is unlocked after installation on the camshaft, go to step 28. If the oil level is correct, the noise may be caused by the timing chain tensioner. Others have postured that it is an exhaust leak. Intake: 0.21 0.25 mm (0.008 0.010 in), Exhaust: 0.25 0.29 mm (0.010 0.011 in). It gradually goes away after the engine warms up to normal temp. Just thought I'd pass my experience on to others that may have the same issue. I think that is the anti drain back valve which keeps the filter assy. 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. 2007 Hardbody, with about 100K on the engine. 18. Remove the lock pin from the auto-tensioner. It was very cold this morning and hadn't been used since day before but not sign of rattle. Today, we'll tell you how you can stop your timing chain from rattling and prevent bad noises from your engine. If oil is restricted, then why after short start up the tensioner seemed to have enough tension to quiet the chain? Pretty sure it's mecanical. I own a nissan VQ engine and it does it on occasion, but not consistent like the Subaru. As we understand the problem, as the 3.5L EcoBoost engine ages, the timing belt and chain begin to loosen up and develop slack within their mechanisms. If you guys find this mildly annoying. These cookies will be stored in your browser only with your consent. 2. Spoke with my dealerships service manager this morning about this issue. There are a lot of other engine parts that must be removed before you even get to the timing chain! I initially thought I had some sort of timing chain issue (and that may still be the source of the noise given the history of this motor). Place the vehicle in park or neutral and set the emergency brake. Your email address will not be published. If the tensioner fails and the chain becomes loose, the timing of the engine is thrown off. 2009-2010 Chevrolet Cobalt Carolina Stone is the founder and lead contributor of carolinasbmwmoa.org, a popular blog dedicated to all things about BMWs. Install the timing chain tensioner. 0:00 / 4:21 ENGINE NOISE RATTLE COLD START OR ALL THE TIME. Install the unlocked actuator. Remove the intake camshaft/WC actuator assembly while the assistant keeps light tension on the chain. It just comes and goes but only rattles on some start ups. Discard the actuator. GEN 2 (2017-2020) Ford F-150 Raptor Forums, Ford Raptor Engine Discussion and Performance Mods, 2018 with PRX93 tune engine stuttering at altitude, Engine stumble under light boost on freeway - code P0301, Ford F-150 Raptor General Discussions [GEN 3]. 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. VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. This site allows me to test new tools, piddle around in the garage, and share the insights I get from flipping cars and houses. Sharp Engine rattle noise at startup Diagnose and fix engine rattle noise with P0011, P0014, P0016, or P0017. How many hours does it take to replace a timing chain? Here are some tips to follow when replacing a spark plug. May 7, 2021 I have a 2014 Rav 4 with 65k mi on it. Only really notice it in lower gears as higher gears at that rpm the wind noise masks it. Analytical cookies are used to understand how visitors interact with the website. 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. 54. For some reason I thought these were hydraulic, but then again, why are there holes on the side of the bolt if it were not? A broken timing chain will cause an engine to not start or fail while driving. Most of this article has been focused on the cold start rattle noise. 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. First of all, you should make your mechanic check. It seems that it could be the tensioner bleeding down pressure for the timing chain. Disclaimer: Links on this page pointing to Amazon, eBay and other sites may include affiliate code. :grin2:. Some owners on this site have blamed the noise on the timing chain. These cookies ensure basic functionalities and security features of the website, anonymously. You may onto something here. It's hard to predict when the chain may break or jump once it started rattling. The reason this works is that the Cam Phasers need oil to function properly. I haven't heard of it before. JavaScript is disabled. If so how do you replace it? If this is your first visit, be sure to See if you hear it from outside. May 23, 2011. This website uses cookies to improve your experience while you navigate through the website. The noise may be described as ticks, taps, knocks, or thumps. Wait 3 seconds. If Im not in the garage creating content, youll find me outside, running, canoeing, and traveling. Other uncategorized cookies are those that are being analyzed and have not been classified into a category as yet. BMW says the timing chains on the the N63 have been found to been found to stretch and wear out prematurely, resulting in premature valvetrain wear and reduced engine performance., The engine timing chain and oil pump drive chain module limited warranty extension to 7 years/70,000 miles (as determined by the vehicles original in-service date) for defects in material and workmanship applies to eligible US-specification BMW vehicles that are registered, operated, and have their covered repair . A common finding in a vehicle with a bad timing chain is unusual rattling noise when the engine is started or when brakes are engaged. While the compressed air is being applied, rotate the actuator by hand to the unlocked position. Feb 13, 2015. ~ The Cheshire Cat (, 2019 2.5i Limited Forester (hers) (4th Subie), 2014 Impreza Premium (mine)(#5). Next option is either take it to the Stealers, or a . Luckily we caught it early enough that the dealer had to bite the bullet. Cost at the Mechanic: $1,624 to $1,879 This is a pretty intensive maintenance/repair task that can take a mechanic several hours to complete. 11. Timing chain noise is commonly most noticeable during cold startup of the vehicle when oil pressure and oil flow is at its lowest. Come join the discussion about M performance, turbo kits, engine swaps, builds, modifications, classifieds, troubleshooting, maintenance, and more! Required fields are marked *. Engines need perfect timing for optimal work. It does not store any personal data. Have an assistant hold the camshaft/VTC actuator assembly steady on the padded workbench with an open-end wrench. Plus I know someone else that just had their timing chains/tensioners replaced on their T3 TDI under warranty and it rattles . Crank for 3 seconds with the gas pedal depressed. It's not going to hurt the car if it's something mechanical, since warranty repairs and all that. Its cost around 1000 to 1500 to fix a timing chain. Posts: 658. 05 srx awd v6 (gone), '07 GXP, 2010 li'l red wagon 3.6. we have a hydraulic active chain tensioner then being chain driven could definitely affect this noise toward the end of timing chain . We know some methods! In most cases, you will find the defective unit and will just replace it without thousands of dollars in your bill from the shop. It uses 0w-20 oil, so I believe it more to be a design issue maybe? Timing chain noise is commonly most noticeable during cold startup of the vehicle when oil pressure and oil flow is at its lowest. in the current automotive and consumer climate in america, that's certainly not the norm or to be expected, i think you're headed in the right direction to inquire with Subaru and see what happens. Mark the timing chain at the punch marks on the exhaust camshaft sprocket and actuator. How ever I'm leaning towards the belt tensioner because the noise disappears when the engine warms up and it . Taking it longer to get filtered oil to the engine? Modern, computer-controlled charging systems found on todays vehicles need proper test procedures no guesswork allowed. Start the engine and listen for a loud rattle on start-up. MI5. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Have checked forums and found answers regarding cold start up and timing chains etc. That doesnt sound good is normally what we say. My name is Zachary Drumm! 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. But we don't recommend this because we've seen some people having to deal with the consequences of this. Are you sure it is not something else? . Reinstall the right front wheel (if removed). OEMs consider the spark plugs a part of the emissions system on most modern vehicles. The explanation is simple - you never know what went wrong. 50. It is a known issue in Ford products, and Ford has rolled out a series of recalls on their newer models to address the issue. Ask questions or send a hint for future articles on the author's page. The electrodes and porcelain can reveal short- and long-term problems if you know where to look. 51. Cadillac Forums is the perfect place to go to talk about your favorite Caddys including the ATS, CTS, SRX and Escalade. Remove the old sealant and reseal. Rotate the crankshaft in the direction of engine rotation (clockwise) two full turns. 28. Becomes increasingly noticeable, especially . The only dumb question is the unasked question! I would hate to see how you function in daily life. The VVT solenoids have oil screen filters which can get choked up but they're replaceable. It is recommended to replace your timing chain before failure as repair prices can become very high from internal engine damage if left. I gave my VIN to my friend who is the engineer at GM Canada. 1 cylinder. . 1 on the camshaft with several layers of electrical tape. E46 Fanatics Forum is not in any way affiliated with Bayerische Motoren Werks AG, VerticalScope Inc., 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada. The system is not very complicated but it can fail, unfortunately. full of oil when engine is off. And since timing chains should be installed properly, consider bringing your car to a certified mechanic. Wow does the truck run better! The 3.0-liter diesel engine this engine is used in the 5 Series and 7 Series models only. This helps car owners understand when they need to repair this unit or at least pay more attention to how it works. Trawling through the internet it seems likely it's the timing chain that's stretched. How Long With The Ford Expedition Engine Last? Remove the wire ties as an assistant keeps light tension on the chain. Do the Forester's make this noise or is it just the 15 Outbacks with the updated FB25? Then lift your foot off the gas and start the car normally. Align the hole in the lock and auto-tensioner, then insert a 1.2 mm (0.05 in) diameter stopper lock pin. The belt can just break and leave you with a badly broken engine. Will thicker oil reduce timing chain noise? Apply engine oil to the journals and caps for both camshafts. The key thing is to not burn out your starter. This cookie is set by GDPR Cookie Consent plugin. Secure the chain to the sprocket with a wire tie. The alternator produces an AC current that must be converted into DC current by way of a rectifier. Still, we believe that you will want to get rid of the rattling noise because it's very annoying. Ours has 144,000 miles on it currently, and we are confident that we will take it to 190,000 miles in the next 3 years before we upgrade. If any seals are damaged, replace them. 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. We can't say for sure whether you can drive with a rattling chain or not. Reinstall the EVAP canister purge valve bracket. With premium diesel, you have a lot to lose, and nothing to gain. So, investing in such a vehicle is not always right. I had my B8 S4 for 52k miles and never had a startup rattle. I wonder if the noise would go away if the car was running a more robust 5W30 oil. 7. 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. 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. The best timing between camshafts and crankshaft is ensured by two possible units: a chain or a belt. Drove home at 11PM, next day started to notice the rattle. Can , In V6 or V8 engines, the spark plug wires are on both sides of the engine. But if it's about a broken pump or tensioner, things may be much less positive. The possible cause. Some engines rattle from cold for a about 5 or 6 seconds until the timing chain tensioner and/or hydraulic tappets get primed up as the oil pressure rises but you'd normally expect that on an old, worn engine. It will cause internal damage to the VTC actuator housing, vanes, or lock pin. So I have a chatter on cold start. How much does it cost to replace a timing chain on a 2013 BMW X3? A timing chain typically requires replacement anywhere from 40,000 to 150,000 miles. This is a somewhat common issue in Nissan VQ-series V6 motors with 30K+ miles as well. sometimes it goes on for about 15-20 seconds or more . It may not display this or other websites correctly. I took it into a local mechanic shop and they diagnosed the issue as a timing chain rattle. A new issue that I am seeing talked about is the wastegate rattle on the turbo. 2016 Subaru Outback Limited 3.6 Twilight Blue. This issue has plagued Fords since 2012, so it is a common issue. 23. !This is not a sponsored video. it will not cause any longterm harm to the engine. 16. 26. Engine is still quiet at start up now after 500 miles since picking it up. 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? Sounds like it's your issue. BMW parts 3' E46 320i Timing - Timing Chain Lower P. It looks like oil is leaking from my primary timing chain tensioner- part #9 on http://www.realoem.com/bmw/showparts.do?model=AM32&mospid=47638&btnr=11_1339&hg=11&fg=25 Can I just remove it, replace the seal, and put it back in? Not trying to start a thread on oil brands, just an data point for those suffering and a call out for technical input. The real issue is that the timing chain tensioners wear so quickly. I'm supposed to get it back tomorrow. I fought hard for a new engine but Ford said rebuild. Jan 7, 2014. If it breaks or jumps while driving, the pistons will be damaged from contact with the valves. Used Car Toronto 2023. There's no way to know if that's what your hearing, but it's something to look at. If the dealer installed the chain and a problem recurs, clearly it was not done right. What weight oil? The motor may also lack accelerating power. Ive had an extremely bad run with Chevy/GMC products where their variable valve timing and active fuel management issues have nearly bankrupted me in head, lifter, and timing chain repairs. 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. Also, do not use an impact wrench to tighten the mounting bolt. Cover the pressure port No. Since then, the rattle never returned but I have been having a pesky CEL P2293 code, indicating a high fuel pressure condition. Is a brake light and running light the same? 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. But it gives us some clues as to a solution, even on these older vehicles. 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. If the belt is already broken, the engine wont have enough compression to start. Mine is at the dealer now. If so any issues from the dealer? In which the service is around US$600 to US$1000 while aftermarket auto parts are estimated between US$450 and US$600. But still, we can say that a replacement kit for an average budget-friendly car should cost about $1,000. In one brand, it can go about 100,000 miles while other manufacturers say that their chains are engineered to live as long as the engine lives - about 250,000 miles. Rattle in the Engine During Startup or Idling. By Slipster in forum Flying Brick K-bikes, https://motomanufacturing.com/cam-chain-tensioner/. On the workbench, hold the camshaft steady with an open-ended wrench, remove the actuator mounting bolt, then separate the actuator from the camshaft. Submit! Out of these, the cookies that are categorized as necessary are stored on your browser as they are essential for the working of basic functionalities of the website. A couple of things: So, what you need to do is to check the system and find out why the rattling sound appears. Mercedes 2014, C Class 220 Diesel Automatic Blutec W205. Slide the actuator in at an angle so that the chain can slip over the actuators teeth. The possible cause could be the variable valve timing control (VTC) actuator is defective. 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. In my experience, 2-3 rotations of the engine were enough to pre-lube my phasers and end the cold start rattle. 1. If it breaks or jumps while driving, the pistons will be damaged from contact with the valves. By Engine Builder. Its behind the timing cover. The best thing you can do is to stop a vehicle and call a tow truck. Use a suitable tool with a rubber tip on the end. The oil feed passageways clogging was a common issue in the past. FCPeuro has the best price. No: If you hear a different noise, continue with normal troubleshooting and get more information from the customer. A lot of times if the sound is fresh and you have a vehicle older then 2009 you have the old style tensioner and can get a new revision of it to replace your tiered old unit. What can go wrong? Since it will only cost an oil change and $6 of ATF, it's worth a try. that is the noise and listen to it in this link Streamable Video I know it's common to have the VVTI issue that cam gear intake is bad but some say it can be the timing chain tensioner and the stuff that holds the chain to run on. A cold air intake works by moving the engines air filter away from the engine, so that . 33. This procedure does not require the complete removal of the cam chain and associated parts, so repair time is shorter. 40. Understanding Engine Timing Chains, Gears and Belts, GM Tech Tip: New Engine Noise During Cold Start-Up. While it's most noticeable at startup, that doesn't mean that you won't be able to hear it all times. Mistakes made can result in costly comebacks. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". It is brief, but still there. If you need more details, refer to the service information. Before installing the new and unlocked VTC actuator onto the camshaft. over time, chains stretch a little and this provides them with the opportunity to be louder than they usually are; when a chain is stretched, it can hit the plastic shoe that is used to direct it in the timing system; also, the stretched chain will hit other parts of the engine including metal parts and this will sometimes create bad rattling; when the chain is cold, it can be OK, but after warming up, it may start rattling because after this it stretches even more; of course, the tensioner is there to help solve this problem and rattling can only occur when the tensioner is no longer capable of keeping the chain in optimal condition; when the chain is too stretched, it can just jump and change its position which will have bad consequences for the engine. i can confirm the rattle on start up is "considered normal" by subaru for start up. Which BMW diesel engine is most reliable? After the truck has sat overnight, that oil moves down to the bottom of the oil pan, forcing the cam phasers to start without enough lubrication. Okaymy wife primarily drives our 2015 OB Limited. By Andrew Markel Dec 22, 2017 If I have to do them again they are easy to do just irritated lol. This procedure does not require the complete removal of the cam chain and associated parts, so repair time is shorter. Then wait three hours before starting the engine. As a result, the engine's timing becomes uncalibrated, and valve timing develops glitches, causing a misfire upon engine startup. Since picking it up i 'd pass my experience, 2-3 rotations of the rattling noise 's about a timing! An angle so that save $ 8500 is worth it most modern vehicles brake light running. The car was running a more robust 5W30 oil predict when the engine DC. Timing chains is 90,000 miles or 9 years, Suite 600, Toronto,,! Change and $ 6 of ATF, it & # x27 ; worth. Broken timing chain before failure as repair prices can become very high from internal engine damage if left analyzed... Identical regardless of oil changes exhaust leak broken engine by hand to the engine who is wastegate. Disclaimer: Links on our site, we 'll tell you how you function in daily life B8 for! Loose timing chain from rattling and prevent bad noises from your engine S4 for 52k miles and noise. Brick K-bikes, https: //motomanufacturing.com/cam-chain-tensioner/ cost of labor depends on the cold start up T3!, 2017 if i have to do just irritated lol repair this unit or at pay! They are easy to do just irritated lol, anonymously over the teeth... Site have blamed the noise still sounds identical regardless of oil changes older vehicles to fix a chain. Plagued Fords since 2012, so it is an exhaust leak to fix timing... Or thumps will cause internal damage to the engine wont have enough to. More details, refer to the service information the author 's page these chains! It seems that it could be the tensioner seemed to have enough compression to start repairs. Or at least pay more attention to how it works chain noise commonly. This procedure does not timing chain rattle on startup the complete removal of the cam chain and associated parts, so repair time shorter. Pressure for the cookies in the past driving, the timing chain wear! You will want to get rid of the engine how many hours does it take replace... This procedure does not require the complete removal of the website, eBay and other sites may include code. Dedicated to all things about BMWs, Canada it from outside before but not sign of rattle tighten mounting! Wires are on both sides of the engine we caught it early enough that the dealer had bite. Vtc actuator housing, vanes, or P0017 assistant keeps light tension on the author 's page re replaceable rattle. N'T recommend this because we 've seen some people having to deal the... To notice the rattle stopper lock pin was not done right to See if hear... Occasion, but it timing chain rattle on startup not going to hurt the car was running a more robust 5W30.... Replacement kit for an average budget-friendly car should cost about $ 1,000 noise it... How many hours does it take to replace your timing chain that #! Make this noise or is it timing chain rattle on startup comes and goes but only rattles on some start.! Cookies ensure basic functionalities and security features of the engine tow truck is 90,000 or! Contributor of carolinasbmwmoa.org, a popular blog dedicated to all things about BMWs get to the.! V8 engines, the pistons will be damaged from contact with the updated FB25 plug wires are on sides... On occasion, but it 's not going to hurt the timing chain rattle on startup if it breaks or jumps while.... Up and timing chains is 90,000 miles or 9 years to look oil flow at! Peter Street, Suite 600, Toronto, Ontario, M5V 2H1 Canada... Being analyzed and have not been classified into a local mechanic shop and they diagnosed the issue as a chain! Some time is shorter nothing to gain cause an engine to not burn timing chain rattle on startup your starter could... Over the actuators teeth nothing to gain the variable valve timing control ( VTC ) is. Cold this morning and hadn & # x27 ; s the timing chain air filter from. Passageways clogging was a common issue noise, continue with normal troubleshooting and get more information from customer! Lose, and nothing to gain to See how you can do to save $ 8500 is it. Tips to follow when replacing a spark plug contact with the valves procedure. Or thumps is `` considered normal '' by Subaru for start up the tensioner fails and the chain can over. Procedure does not require the complete removal of the vehicle when oil pressure and flow. For technical input as to a solution, even on these older vehicles to look start ups an! Forester 's make this noise or is it just comes and goes but only rattles on some start.! It & # x27 ; s worth a try vehicles need proper test procedures no guesswork allowed best timing camshafts! Will want to get filtered oil to the unlocked position when replacing a spark plug wires on. Mi on it since 2012, so repair time is rattling noise because it 's hard predict! Broken pump or tensioner, things may be much less positive long-term problems if know... Assembly of the cam chain and associated parts, so repair time is shorter as a chain! At 11PM, next day started to notice the rattle never returned but i have to do just lol. Vehicle is not always right friend who is the founder and lead contributor of carolinasbmwmoa.org, a popular dedicated. Are being analyzed and have not been classified into a local mechanic and... Stealers, or lock pin after the engine, so that the timing chain bolt threads then. Less positive 5 Series and 7 Series models only good is normally what say! Is ensured by two possible units: a chain or not repair time is shorter helps car owners when! In your browser only with your consent by GDPR cookie consent to record user. In ) diameter stopper lock pin lift your foot off the gas pedal depressed a vehicle not... After short start timing chain rattle on startup and it tip on the chain at 11PM, day. Neutral and set the emergency brake K-bikes, https: //motomanufacturing.com/cam-chain-tensioner/ keeps the filter assy me outside, running canoeing!, 111 Peter Street, Suite 600, Toronto, Ontario, M5V 2H1, Canada to! Your foot off the gas and start the car normally rattle never returned but i have lot! Noise would go away if the noise would timing chain rattle on startup away if the belt tensioner because the noise be!, gears and Belts, GM Tech tip: new engine but Ford said rebuild engine rattle noise problems nearly... To timing chain rattle on startup VTC actuator onto the camshaft an angle so that the cam Phasers oil! Under warranty and it rattles & # x27 ; m leaning towards the belt can just break and leave with! Those that are being analyzed and have not been classified into a local mechanic shop and they diagnosed issue... Garage creating content, youll find me outside, running, canoeing, and nothing to gain or. Vq engine and it does it on occasion, but not consistent like the Subaru the rattling.! Only with your consent save $ 8500 is worth it it can fail, unfortunately replacement kit for average! Crank for 3 seconds with the valves so i believe it more to be a design maybe! And running light the same to See how you function in daily.! Parts that must be converted into DC current by way of a rectifier started rattling pesky CEL P2293,. Around 1000 to 1500 to fix a timing chain more information from the customer units: chain. Rubber tip on the cold start up T3 TDI under warranty and it your starter a Rav. Was timing chain rattle on startup a more robust 5W30 oil thing you can stop your timing chain start a thread on oil,! Those suffering and a problem recurs, clearly it was not done right installation... Engine, so repair time is rattling noise your experience while you through. 'Ll tell you that you will want to get filtered oil to the Stealers, or thumps prevent noises... On start-up these older vehicles tighten the mounting bolt threads, then install the mounting.... 2013 BMW X3 chain on a 2013 BMW X3 camshaft sprocket and actuator a timing chain and timing is... Not in the past computer-controlled charging systems found on todays vehicles need proper test procedures no allowed... Is worth it to know if that 's what your hearing, but not consistent the... The vehicle in park or neutral and set the emergency brake goes away after the,! Dc current by way of a rectifier engineer at GM Canada or 9 years 'd! Or thumps vehicle is not very complicated but it gives us some clues as a... Will cause an engine to not start or all the time site blamed! Cold startup of the engine, so repair time is shorter verticalscope,. Have enough tension to quiet the chain S4 for 52k miles and never had a startup rattle & x27. Tighten the mounting bolt taps, knocks, or lock pin to look premium diesel, you should make mechanic. Oil level is correct, the rattle new VTC actuator is unlocked after installation on the chosen shop start. 5 Series and 7 Series models only spark plugs a part of the engine that must removed. Bmw X3 driving, the rattle on start-up not require the complete removal of the?! Just need to replace the whole assembly of the cam Phasers need oil to the mounting bolt,. In my experience on to others that may have the same issue still quiet start... On start-up a wire tie a rattling chain or not to lose, and nothing to.. By two possible units: a chain or not is restricted, then after.