Date: Thu, 26 Dec 2002 21:38:32 +0100 From: "Johan Beikes" <j.beikesnopsamdoo.nl> Subject: Re: C900 Driveshaft Help
In case of inner tripod problems, it is not always necessary to buy new/used. The tripod bearings at the drive axle seldom suffer from wear. So, simply swap positions of the left and right "cups" of the inner joints at the gearbox. You will then, while driving, load the surfaces that were previously only under load when in reverse gear. I've done it a couple of times with different cars and the trick always worked. Once you have the engine/gearbox out of the car, it is a matter of minutes to get the job done. regards, Johan "KeithG" <noonenopsamspring.com> wrote in message news:auf8lu$3n8$1nopsam.atl.mindspring.net... > Guessing that this car has 150kmi+. If it is a vibration which is load > dependent and not speed dependent, it is probably an inner driver. I > would not replace one of these with a used one. Get under the car and > see if there is any appreciable radial axle movement when you grasp and > try to move it. There should be no appreciable movement. This is > probably on the right inside driver. It is probably low or out of grease > after being baked by the exhaust pipe. This has probably accelerated > the wear of the inner driver surface. The driver itself (cup) is over > $100.00, but I do not know what its current market cost is. Get is from > Saabsite.com or one of the other suppliers. If you are lucky, the tripod > joint may still fine, but you may need one of these as well. Make sure > you put it on the axle correctly. The chamfer goes toward the tire. > Replace the boots as well. Take the CV joint (outside end) completely > apart and clean/inspect the balls and races for wear. Disassembly is > covered in the Bentley manual and probably online at twinsaabs.com and > maybe at townsendimports.com. You will find that the 74.00 axle is only > the outer CV/axle/inner tripod and 2 boots. The inner driver is *not* > part of the assembly. > > Good luck! > > KeithG > > Phil Brown wrote: > > I have a 1986 16v 900 Turbo, manual, with what I believe to be a bad CV joint. > > I've heard horror stories about all the different driveshafts Saab used and my > > question is this: There are 2 low mileage automatics at my wrecking yard, an > > 88 and an 89. Will the shafts from either of these work in my car? > > Phil Brown >
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