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Old 12-24-2023, 10:49 AM   #3
equ
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Join Date: Aug 2005
Carmudgeonly Ride: 981S, 340i
Posts: 9,587
Quote:
Originally Posted by FC View Post
Generally, I'd go after it systematically, although perhaps you have already done that.

Is it better worse or varies when/if:

- Follows change in speed (does it follow engine or wheel speed)
- when turning (low speeds or high speeds)
- Warm or cold
- on the gas
- coasting
- on the brakes (light or hard)

But based on what you've reported, I'd pull the wheel and check out the pads, particularly the inside one. Did you check for and see anything of note on the inside of the disc?
I described most of this but maybe not systematically.
* wheel speed for sure when it happens, irrelevant to revs, gear or clutch
* low speed, when warm and only sometimes
* could happen when on gas or coasting
* getting on the brakes cancels the sound

I cannot really look at the dark side of the rotor or the inboard pads. I only have a hydraulic lift and no stands. While I'd like to solve it, it's not worth getting under the car. I've never pulled pads on a car, so I'm not about to do that on the 981. To the shop it will go... I think may be a pad is not really in place. The lips on the rotors (from wear) are about equal to my inexperienced fingers.
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