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Date: Tue, 09 Oct 2007 09:05:13 +1300 From: Richard Sutherland-Smith <richard.ssnospamr.net.nz> Subject: Re: Timing Chain failure at 46k miles
> Grumpy Mike (dalcassian301nospamom.net) gurgled happily, sounding much > like they were saying : >> About an hour later they called and said that the timing chain >> had broken. They said that unles I replaced a bunch of other parts, >> I'd be back to them again in 3 weeks. The quote was ’Ǩ1700 (’Ǩ700 >> parts, ’Ǩ700 labour, ’Ǩ300 VAT) because it required removal of the >> engine, taking off the head and sump, etc. > £700 parts sounds high. A complete OEM chain kit would be less than £200 > from a specialist supplier. > http://www.nospam.com/product_info.php?products_id=2671 > OTOH, that may well include other bits - it'd be daft not to put a new > clutch in whilst the engine's out the car. Various other parts are also > FAR easier to get at, so the cost of the part now is small compared to > the cost of repeating the labour later. >> My question is, if the car would run when revved up, how could the >> timing chain be broken? > "Broken" could well be being used as a non-technical euphemism for > "fooked" to cover a multitude of sins. It's quite possible that it's > stretched or the tensioner's broken, or it's in the throes of links > actually breaking but hasn't yet completely separated. >> And, if it does need replacement, does this require the removal of the >> engine, head, and sump? > The chain can be replaced in situ, but to replace the sprockets, guides > and tensioners does - I believe - require removal. I have done a 9000 Aero timing chain and balance shaft chain and guides from the side, by taking the wheel and liner out. -- Richard & Mary Sutherland-Smith 19 Webb Road, Wanganui 4500, NZ
