Wheel Cylinder Replacement for Pontiac Sunfire 2003

Tools Required

J 38400 Brake Shoe Spanner and Spring Remover

Caution: Refer to Brake Dust Caution in the Preface section.

Caution: Refer to Brake Fluid Irritant Caution in the Preface section.

Notice: Refer to Brake Fluid Effects on Paint and Electrical Components Notice in the Preface section.

1. Raise and support 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 drum. Refer to Brake Drum Replacement .



4. Clean any debris and contaminants from around the wheel cylinder.
5. Remove the wheel cylinder bleeder cap and valve (2).
6. Disconnect the brake pipe fitting (1) from the wheel cylinder. Cap the exposed brake pipe end to prevent fluid loss and contamination.
7. Remove the wheel cylinder mounting bolts (3).



8. Using the J 38400 , spread the top of the brake shoes apart, then remove the wheel cylinder from the brake backing plate.

1. Using the J 38400 , spread the top of the brake shoes apart , then install the wheel cylinder to the brake backing plate.

Notice: Refer to Fastener Notice in the Preface section.




2. Install the wheel cylinder mounting bolts (3).

Tighten
Tighten the bolts to 16 N·m (12 lb ft).

3. Remove the cap from the brake pipe end.
4. Connect the brake pipe fitting (1) at the wheel cylinder.

Tighten
Tighten the fitting to 18 N·m (13 lb ft).

5. Install the wheel cylinder bleeder valve.

Tighten
Tighten the valve to 8 N·m (71 lb in).

6. Install the brake drum. Refer to Brake Drum Replacement .
7. Bleed the hydraulic brake system. Refer to Hydraulic Brake System Bleeding in Hydraulic Brakes.
8. Install the bleeder valve cap.
9. Adjust the drum brakes. Refer to Drum Brake Adjustment .
10. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation in Tires and Wheels.
11. Lower the vehicle.