Timing Chain is made with plastic parts?
A local repair shop (not dealer) has been handling the routine maintenance on my 2010 Mini Cooper S Clubman. They recently warned me that the timing chain should be reworked/replaced as the vehicle now has 77,000 miles and the factory parts are partially plastic and are deteriorating. Estimate was for around $1,500 - $2,000. Does this sound correct, or are they trying to push me to do something not needed?
Never heard replacing a timing chain as part of maintenance. Is your engine making noise? Here is a link for more information..........http://www.promini.com/technical/tech_tips/r55_chain_rattle/2010-mini-cooper-s-clubman-r55-engine-noise.php......Looks like a TSB from Mini, so you might be able to get the work done on their dime. Call the dealership to confirm.
Sad but true. The 100K maintenance warranty is worth every penny. Just be glad that you have a turbo and not a supercharged unit. At 100K, a rebuild is usually necessary if not properly lubricated, which is why most owners trade theirs prior.
It's not uncommon or a new concept. GM was doing the exact same thing with their camshaft sprockets back in the '60s and early '70s. For quiet operation the cam sprocket was plastic. They'd usually "jump" timing around 90 to 120,000 miles. Aftermarket timing chain sets are all metal. HTH. -Jim
Thank you everyone, can you tell me your opinions about a VANOS unit? Here are the shops (2) quotes: Replace worn engine timing components wo/VANOS unit: $1264.82 Replace worn engine timing components w/VANOS unit: $1719.04 Should I proceed with a new VANOS, or without it? Suggestions?
My estimate was $850 out the door to replace timing chain and tensioners. Mini S
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