GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Isuzu 🢒 1999 🢒 Isuzu MD Steel Tilt (F Model) 🢒 Brakes 🢒 Air Brakes 🢒 Brake Drum Replacement

Removal Procedure
  1. Block the wheels.
  2. Lift the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

    4. Object Number: 201765 Size: SH
  4. Cage the rear air brake chamber. Refer to Caging the Rear Air Brake Chamber .
  5. Release the air brake automatic slack adjuster fully in order to retract the shoes, then the brake drum will clear the brake linings.
    6. 5.1. Disengage the pawl with a screwdriver.
    5.2. Turn the air brake automatic slack adjuster adjusting nut until the brakes shoes are fully retracted.
    5.3. Release the pawl in order to snap the pawl into engagement after the brake shoes have retracted.

    Object Number: 201685 Size: SH
  6. Slide the brake drum from the hub.

Installation Procedure

    Object Number: 201685 Size: SH
  1. Slide the brake drum onto the hub.
  2. Adjust the wheel bearings if needed. Refer to Wheel Bearing Adjustment .
  3. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  4. Adjust the brakes. Refer to Air Drum Brake Adjustment .
  5. Lower the vehicle. Refer to Lifting and Jacking the Vehicle .
  6. Check the brakes for proper operation.
  7. Remove the wheel blocks.