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Hey all, bought a "beautiful" '84 900 turbo today from a buddy at work - she kept great maintenance records - and one thing that the mechanic kept flagging (for about 6 years now) had been the vac advance at the distributor. Sure enough, it's not hooked up. The mechanic (in the written records) had stated that it was broken, and so I assume he disconnected the vac advance for that reason. The car seems to run great, and clearly it hasn't had the vac advance for several years. Is this a major issue? Every car I've ever had before would "run" without the advance, but lose a lot of power.
This car is just for basic transportation for me. With 180k miles and a rather rough exterior, I'm not hoping to turn any heads, but would like to keep it working for a year or two.
The mechanic also flagged a "rattling timing chain". If this is anything like my '86 alfa spider, the timing chain had a tensioner. I'd guess that the mechanic already tried to tension it, and failed. Any reason why? It's been "rattling" for about 6 years as well, so obviously it isn't likely to fail anytime soon - hopefully? What can be done (without pulling the engine) to fix this problem? I can certainly take a valve cover off, and remove the cams if necessary.
That reminds me - how are the valves adjusted? I didn't see any record of them being adjusted, but the factory manual suggests every 15k miles. Hopefully they were actually done (I'll double check the records), but I know how to adjust valves the easy way (when you just turn the screw and tighten) and the hard way (with valve shims). Which way is the 900?
posted by 174.21.143...
, Tue, 13 Oct 2009 06:18:53
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