Operation CHARM: Car repair manuals for everyone.

Brakes






Brakes











Hairline cracks on brake disc friction surfaces are often observed during brake repairs. Hairline cracks up to 10 mm long are not a technical flaw and are not cause for brake disc replacement.

Brake discs with friction surfaces that have worn through should be replaced.






The brake system installed in a vehicle is documented on the vehicle data sticker via the relevant PR number - arrows -.

Vehicle Data Label





Allocation, Refer to the Electronic Parts Catalog (ETKA).

Hairline cracks on brake disc friction surfaces are often observed during brake repairs. Hairline cracks up to 10 mm long are not a technical flaw and are not cause for brake disc replacement.