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Grinding noise after brake booster replacement


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I took my wife's 2012 Ford Edge in for the Power Brake Booster replacement. When she picked it up she noticed a grinding noise. I drove the car and also heard the grinding noise. The noise is only heard when driving at low speeds with light braking. It sounded like it needed new pads. I took it to a Ford Dealer and they could find nothing wrong nor did they hear the noise. This was because it was raining and you can't hear the noise when it is raining. But they said the pads and rotors looked fine. The noise continued, so I ordered new pads and rotors for both front and rear. After I replaced them this weekend the noise still persists. Upon closer listening it is only coming from the rear, but on both sides. I checked the caliper pin boots and none were ripped and the caliper floated like it should. Any ideas? It is back at the dealer now, and while they can hear the noise they say everything looks fine.

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No bend in dust shield, nor rocks. I replaced all the rotors and pads as well as cleaned out any dirt, rust or rocks. Just heard back from dealership, they don't know what the issue is, but are sure it isn't their fault......... Their suggestion was to replace the pads, again.

Are your low frequency noise dampers still attached to the rear brakes?

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  • 6 years later...

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