Date: Sun, 08 Mar 1998 22:21:22 GMT From: MikeNassnopsamffice.net (Mike Nass) Subject: Re: Wheel shudder in Saab 9000
I have the EXACT same problem with my 88 Saab 9000 Turbo Automatic!! I have brought it to suspension shops only to have them tell me nothing was wrong or that they don't work on Saabs! I will probably bring it to a dealer, but they charge $100 to diagnose the problem. Then $60 hr for labor, plus factory parts. I can only imagine the bill for that and at the moment I cannot afford that kind of money. Please let me know how you solve this problem. I will do the work myself if I know what the problem is. Mike Nass >> Paschal McEnroe wrote: >> >> > Hi >> > >> > I wonder if anyone can help me with a problem of wheel shudder. >> > >> > I have a 1988 Saab 9000 Turbo Automatic. It has approx 127k miles on the >> > clock and I’ve owned it for the past two and a half years. >> > >> > The problem is as follows: >> > >> > When accelerating in a straight line (normal driving) a shudder can be >> > felt throughout the car. This becomes worse if I am turning right, for >> > instance pulling away from traffic lights and turning right at a >> > junction. >> > >> > When driving at normal speeds a slight vibration can be felt which seems >> > to be part of the same problem. >> > >> > It seems to be worst when the LHS is loaded, either in cornering or when >> > carrying passengers in the car. The frequency of the shudder feels to be >> > higher than wheel frequency. >> > >> > I suspect the LH front wheel bearing, however, I’ve jacked the car up >> > and checked the wheel bearing for play and roughness. I cannot detect >> > any play or roughness. Running the engine and wheels does not indicate >> > any roughness or noise from the wheel bearing. >> > >> > The tyres are relatively new and I’ve tried switching wheels to no >> > effect. Wheel balance is fine. The suspension bushes appear to be fine ( >> > I replaced the front wishbone bush some time ago as it looked well >> > beaten). >> > >> > Before spending money on a wheel bearing/hub kit (£150 from Mr Saab for >> > the kit alone) I’d like to confirm that the wheel bearing is the >> > problem. >> > >> > Are there any other circumstances which may give rise to this problem; >> > CV joint, bushes, anything else? >> > >> > Thanks in advance >> > >> > Paschal McEnroe