Saturday, April 4, 2009

Disc Brake Caliper Piston Service

I've had a go again at servicing the disc brake calipers on my Peugeot 206. For the past few months, the brakes have been squealing and I suspected the pistons could be jammed. After opening it up, sure enough, the pistons were filled with muck from years of use, that caused it not to slide smoothly in the barrel, hence the squealing noise.

The dirty caliper piston.

Close-up of the piston and rubber boot, covered with brake dust.

Piston removed, showing the inside of the barrel and rubber boot.

Close-up of the cleaned barrel and rubber boot.

Dirty piston.

Cleaned piston.

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