Date: Thu, 17 Feb 2000 09:47:30 GMT
From: malcolm532nopsameja.com
Subject: Re: Driveshaft woes (rich text)
<Snip>
Andrew,
Agree with Liam in his post. THe tripod joint should sit 1/3 to 1/2 in
the gearbox drive cup (I replaced the inner boot on one of my saabs
last weekend and made a mental note of where it was sitting) I know
that the inner cups changed sizes because I put a 84 5-speed box in my
86 5 speed (bad reverse)and had to change the drive cups over as the
one's on the 84 box were of a smaller diameter, and shorter.
Maybe your car has had a replacement box at some time? However if you
have the longest shafts you can find then symptoms would point to
something else.
Do both shafts sit the same distance in the cups? If one is in alot
further than the other this would suggest the engine/gearbox is not
sitting correctly within the engine bay. Now the engine mount designs
did change abit between an 8v and a 16v, it may sound crazy but the
type of mounts could be mixed up. Hopefully your car hasn't suffered
any crash damage in it's life, but carefully check around the
"pillars" in the engine bay where the upper wishbone bolts on. Check
the thickness of the packing shims behind the bolts, about the same on
both sides? If greatly different then this needs further investigation.
This effects the camber. Alot of negative camber (bottom of
wheelfurther out than the top) makes for great handling, but bad tyre
wear and has the seondary effect of making the hub centre to gearbox
distance greater. If possible get the car up on a ramp and have a good
look about for any evidence of repairs/crash damage. Especially check
around the front. THe crossbeam below the radiator is square to the
chassis legs? I would be very tempted to take it to a bodyshop where
they can do a chassis alignment check to see if there is any twist in
the car.
Hope this helps
If I think of anything else I'll post again.
Malc
Scotland
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