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Home >> Jeep >> 2007 >> Liberty Limited, RWD >> Repair and Diagnosis (Single Page) >> Brakes >> Parking Brake System >> Mechanical Brake System - Base (Service Information) >> Hydraulic/Mechanical >> Rotors >> Diagnosis And Testing >> Brake Drum RUNOUT

Brake Drum RUNOUT

Measure drum diameter and runout with an accurate gauge. The most accurate method of measurement involves mounting the drum in a brake lathe and checking variation and runout with a dial indicator.

Machine the drum if runout or variation exceed values. Replace the drum in hat rotor if machining causes the drum in hat rotor to exceed the maximum allowable diameter.