An­noy­ing brake noise

Car Mechanics (UK) - - Tales From The Workshop -

▶ A noise from the off­side front brake of this 2012 Nis­san Mi­cra started with­out warn­ing. The sound did not al­ter with brak­ing, so the owner ruled out the pos­si­bil­ity of a dan­ger­ously low brake pad. Re­mov­ing the front wheels, we found the cul­prit pretty quickly.

If the owner had re­versed, he may well have cleared up the prob­lem him­self. A large stone had be­come wedged be­tween the brake pad car­rier and brake disc, caus­ing it to con­tin­u­ally rub against the disc. Be­cause it was rub­bing against the flange of the disc and not the brak­ing sur­face, no dam­age had been done and the brake discs were still per­fectly ser­vice­able.

The stone was popped out and, af­ter re­fit­ting the wheel, a quick road­test con­firmed that all was now quiet.

A stone was wedged in the brake pad car­rier, rub­bing against the disc.

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