GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Astro - 2WD 🢒 Brakes 🢒 Hydraulic Brakes 🢒 Brake Rotor Replacement

Removal Procedure
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
  3. Remove the brake caliper. Refer to Brake Caliper Replacement .

    4. Object Number: 166 Size: SH
  4. Remove the rotor (RWD only). Refer to Front Wheel Hub, Bearing, and Seal Replacement in Front Suspension.

    5. Object Number: 156 Size: SH
  5. Remove the rotor (A4WD only).
  6. Inspect all of the parts. Replace any damaged or corroded parts.

Installation Procedure

    Object Number: 156 Size: SH
  1. Install the rotor to the hub and bearing assembly (A4WD only).

    2. Object Number: 166 Size: SH
  2. Install the rotor to the steering knuckle (RWD only). Refer to Front Wheel Hub, Bearing, and Seal Replacement in Front Suspension.
  3. Install the brake caliper. Refer to Brake Caliper Replacement .
  4. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.

    5. Important: Before moving the vehicle, pump the brake pedal until it is firm. Check the brake fluid level in the master cylinder after pumping the brakes.

  5. Lower the vehicle.