[Author Prev][Author Next][Thread Prev][Thread Next][Author Index][Thread Index]
Re: Wheel Bearing Maint. question
I've had both front bearings go bad in my 90q. When it happened I got loud
vibration noise & feel that got worse with speed. I did not have the time or
tools to repair them, so my mechanic performed the operation.
Matt Rooke wrote:
> I am curious about the collective opinions regarding wheel bearing
> maintenance. Is it a good idea to clean and repack them, or even replace
> them? What grease should be used? My CQ has 115k and I've never touched
> Background: I have developed a light squeaking noise. Sounds like it is
> coming from bottom rear of car. It only occurs between 40-50mph, it
> "modulates" and the modulation frequency (but not that of the actual
> squeak) varies with speed. Sounds like about once per rev of the wheels.
> Brakes (pedal and hand), acceleration, coasting- no effect. It goes away
> after a minute or 2, and doesn't return until the car has sat for some
> number of hours. After eliminating the brakes, seems wheel bearing is the
> next likely suspect. But none of the hubs get hot, so it is not very
> bad... yet.
> Given the elusiveness of this one, I don't expect to further isolate it
> unless it gets a lot worse. I wonder whether it would be worth pulling
> the bearings to inspect/ clean/ replace them. It might not fix the
> problem, but maybe it is good maintenance anyhow? Has anyone else
> experienced a bearing failure? What are the symptoms? Any other
> suggestions for possible causes?
> Matt Rooke
> San Jose CA
> '91 CQ