Parking Brake Inspection
  1. Measure the inside diameter of the parking brake drum with inside vernier calipers.
    Parking brake drum inside diameter:
    Standard:
    189.9−190.0 mm (7.476−7.480 in.)
    Service limit:
    191.0 mm (7.520 in.)

  1. If the inside diameter of the parking brake drum is more than service limit, replace the brake disc/drum.
  1. Check the parking brake disc/drum for scoring, grooves, and cracks.
  1. Clean the mating surface of the brake disc/drum and the inside of the wheel, then install the rear wheels.