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YOUR RESEARCH'99 right rear brake clicking noise
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Replace by prev
Performed · outcome unconfirmed
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1
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Performed · outcome unconfirmed · Original poster
I checked the obvious stuff like the wheel bearing (no wear) and the pads/ rotors have less than 3k on them (changed by prev.
Leading evidence: 'Replace by prev' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Replace by prev' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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I've had my '99 for about six months, its a great car, just a few issues.
There's some sort of 'clicking' noise coming from the right rear under moderate/ hard braking. There's no noise under accelleration whatsoever. I checked the obvious stuff like the wheel bearing (no wear) and the pads/ rotors have less than 3k on them (changed by prev. owner).
I pulled the wheel and tried to duplicate the noise by turning/ jerking on the axle. There is the slightest noise when rocking back and forth, but I'm not convinced that is the issue.
Any ideas? I did search.
finally got to spend some time troubleshooting on it today, here's what I found. To best describe the sound, I'd have to say its like the noise a car makes when you put the car in too high a gear too soon. Its not exactly a clicking, but a resonating sound of some sort.
The noise is exactly the same if you have the transmission in gear, in neutral, clutch in, or clutch out. There is a definite correlation to brake pedal pressure-noise. There is also a vibration in the pedal when the noise is present. The noise/ vibration seems to be the most prominent on the journey down from 50mph-40mph. If you put enough pressure on the brakes to activate the ABS, there is no noise, if you are light on them, no noise.
Warped rotors perhaps?
The ABS activates properly, so I don't think its that, and there are no warning lights. Its a strange noise/ sensation that I just can't put my fingers on. It might be a 'feature' (this is my 1st Porsche). Or it could be warped rotors resonating at that frequency range.
