Date: Fri, 14 Jan 2005 02:28:40 GMT From: John B <rotten_NOSPAM_nospam.org> Subject: Re: Crankshaft Pulley 85' C900 Turbo
On Fri, 14 Jan 2005 02:09:28 GMT, LC <goalie22nospamail.com> wrote: > > My question is.. what causes the failure? It it hard to fix? What should I > expect to pay someone to fix it for me? > Ok, everything I'm about to write is based on the assumption that it is the crankshaft pulley (as I suggested in another thread). But you should first check the belts and make sure they're not the source the noise, since that's easy and cheap to fix. The crank pulley has inner and outer parts joined by rubber, which dampens vibration. When it gets old, the outer part begins to slip relative to the inner part, which squeaks. This is generally worse when the engine is cold; when it warms up the rubber gets sticky and slips less. Eventually it will fail altogether and you will be stranded somewhere. Replacing it involves removing the belts, maybe moving the AC compressor aside, blocking the engine flywheel so it can't spin, and getting the relevant nut loose. I tried this repair once and failed, due to lacking the proper tool (a shallow socket, 27 mm I think). There isn't much room to work between the engine and the firewall. If you want to try it yourself, make sure you have the right tools and the Bentley manual. Also take a look at the documents on the townsendimports.com site. Currently: http://68.155.228.235/engine_folder/front_crank_seal900.htm ... but it's on a dynamic IP. If you pay someone to do it, I think it'll cost you at least a few hundred dollars (US). The replacement pulley alone is around $80 if memory serves. John
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