1979-1993 & 94 Conv [Subscribe to Daily Digest] |
Schmeil.
The other posters are correct, it is extremely difficult (if not impossible) to replace the guides with the engine in place.
I know the mechanic said that the guides were worn and quoted you a big number to change them. However i've had a brief look at your other posts and i'm still not sure what the main problem is. I'm all for regular maintenance but it comes down to the question: Are you still having running problems with the engine?
If the engine is now running fine, then i would leave the guides alone and drive the car as-is for another 100,000 miles (or more). If the engine is still running badly then my feeling is that worn guides would be very unlikely to be the cause of your problem. I have seen badly maintained engines with over 300,000 miles on them that run just fine despite wear on the guides and slop in the chain. The timing chains themselves are usually good for the life of the car in my experience.
That said, if by some remote chance the timing gear actually is worn to the point that it is causing running problems i would say that the whole engine is suspect and has likely been badly abused in the past. If that is the case i would just replace the whole engine with a used one. . . something that could be done for less than the cost of replacing the guides. Good used engines go for as little as $300 (i have two free ones just sitting on the floor of my garage). Add a generous $1000 in labour and that's still considerably less than the quote you got from your mechanic.
I write this because I just feel you might be on the wrong path here. I'm not trying to be contrarian . . . just trying to save you some money and aggravation.
posted by 24.82.2...
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