It's our birthday!!! One year anniversary!

Yes one year ago today there was a disruption in the universe that ended up in creating this community. As promised we have winners from our Birthday Scavenger Hunt.

Go to the following link to find out who and what the final answers were:

Click here!
Welcome all 928 forum refugees!
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By Fox_
#45063
I've got an annoying vibration/feedback in the steering wheel at around 80mph.

All four wheels have been road force balanced on a hunter machine.

I'd lost tape weights on the rears. That fixed a vibration I was getting from the rear, now my attention is focused on the front. To me, it's very specifically coming from the front and through the steering wheel. The vibration due to the lost tape weight in the rear was noticeably different.

I'm going to check the wheel bearings again this afternoon.

Had anyone else solved a similar issue?
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By worf
#45070
Fox_ wrote: Sat Dec 26, 2020 2:53 pm Had anyone else solved a similar issue?

Often.

Download my inspection guide (URL in signature block), follow directions for testing ball joints for steering rack and a-arms.

You’ll need ramps, or a 4-post and a helper; Suspension *must* be loaded.

My bet is worn inner tie-rod ball joints and alignment.
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By Fox_
#45715
Wheel bearings(so far).

Surprised they didn't make noticeable noise.
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By Fox_
#52020
Changed wheel bearings, major improvement.

Both sides were clicky, appeared to have been done before, and I could not see any noticable wear on the bearings. No bearing noise. Makes me wonder if I could have got away with just tightening them.

Driver side spindle was almost perfect, passenger side had grooves that were barely visible, but couldn't feel them. Inner race didn't wiggle.


Hub was well designed, easy to work on. Honestly, the whole assembly was a dream. From the trap door for the pads, the easy to access caliper mounting bolts, to the access cut outs in the hub.

The only thing that really fought me was one stubborn caliper screw, even with an impact driver, pb blaster, and heat didn't want to budge.
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By MFranke
#54936
I've always been impressed how rock solid a 928 is at speed. There should really be no steering vibration at 80 mph. Glad you found the bearings needed snugged. Not always as easy to see, but another culprit for vibration can be the rubber rack bushings, which can degrade from exposure over time.

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