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Timing Chain Change - how much?


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As a general guide, it seems most peoplr have it done around the 100k mark.

Also its not so much a parts cost, but more labour as the gearbox needs to come out. Its also more down to the plastic chain guides wearing thin than the chains themselves needing replacement. However the chains do also stretch slightly too.

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the parts cost about £100 from GSF (they're genuine ones, but cost half the price of the same items from vw)

labour would most likely be a good 4-6 hrs at least.

its a bit of a game of russian roulette to wait till they rattle, its concievable that if the wrong tensioner or runner let go it would immediatly jump loads of teeth and trash the engine.

however, from what i've been reading, later (obd2) cars are much less likely to have problems.

i reckon on obd1 its a must...they always wear down the upper tensioner 'blade' runner. obd2's have a single row top chain, so it wears that item less.

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you will get a rattle between 1' date='000 and 1,200 RPM normally, sounds abit like a sewing machine![/quote']

well, that actually means they should have been changed already. if its rattling, the chain could theoretically jump teeth any second.

theres a sound clip of rattling chains on this page - http://forums.vwvortex.com/zerothread?id=1127339

the best thing to do is to remove the coilpack, inlet, cam cover, tensioner bolt, and upper cover...then have a look at the condition of the runners that you can see (you won't be able to see the lower ones fully, but shine a torch down there. if the upper tensioners are still perfect then in all likelyhood the bottom ones are too. be prepared to see the top blade about to fall apart if you have an obd1 car on about 120k! lol

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