Chevrolet Sonic manuals
 

Chevrolet Sonic Repair Manual: Brake Shoe Replacement (J93, J94)

Chevrolet Sonic Repair Manual / Chassis / Brakes / Drum Brakes / Brake Shoe Replacement (J93, J94)

Removal Procedure

    Warning:

    Refer to Brake Dust Warning.

    Note:

    Always replace brake shoes in axle sets.

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
  3. Remove the brake drum. Refer to Brake Drum Replacement.


  4. Remove the upper brake shoe return spring (1).

  5. Remove brake shoe adjuster (1).

  6. Remove the brake shoe adjuster actuator lever (1).

  7. Remove the brake shoe hold down spring and cup assemblies (1) by compressing the spring and rotating the assembly 1/4 turn.

  8. Remove the hold down spring and cup assembly pins (1).

  9. Spread the top of the brake shoe assembly (1) and lift the assembly over the wheel hub.
  10. Release the park brake actuator lever from the park brake cable eyelet.

  11. Remove the lower brake shoe return spring (1).
  12. Inspect the drum brake hardware and replace any components, as necessary. Refer to Drum Brake Hardware Inspection.
Installation Procedure
  1. Clean the drum brake backing plate of any dirt and debris.
  2. Apply a light coat of high temperature brake lubricant to the brake drum backing plate shoe contact surfaces.

  3. Install the lower brake shoe return spring (1).

  4. Install the park brake actuator lever to the park brake cable eyelet.
  5. Spread the top of the brake shoe assembly (1) and lift the assembly over the wheel hub.
  6. Position the brake shoe assembly to the drum brake backing plate.

  7. Install the hold down spring and cup assembly pins (1).

  8. Install the brake shoe hold down spring and cup assemblies (1) by compressing the spring and rotating the assembly 1/4 turn.

  9. Install the brake shoe adjuster actuator lever (1).

  10. Install brake shoe adjuster (1).

  11. Install the upper brake shoe return spring (1).
  12. Adjust the drum brakes. Refer to Drum Brake Adjustment.
  13. Install the brake drum. Refer to Brake Drum Replacement.
  14. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
Special Tools
Illustration Tool Number/Description CH 21177 J 21177-A Drum to Brake Shoe Clearance Gauge ...

Hydraulic Brakes
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Other materials:

Automatic Transmission
Move the shift lever to P (Park) or N (Neutral). The engine will not start in any other position. To restart the engine when the vehicle is already moving, use N (Neutral) only. Caution Do not try to shift to P (Park) if the vehicle is moving. If you do, you could damage the transmission. Sh ...

Brake Pedal Assembly Replacement
Removal Procedure Remove the battery tray. Refer to Battery Tray Replacement. Remove the power vacuum brake booster bolts (1). Remove the brake pedal assembly upper nuts (1) Remove the brake pedal assembly lower nuts (1) Remo ...

Scrub Radius Description
Ideally, the scrub radius is as small as possible. Normally, the SAI angle and the centerline of the tire and the wheel intersect below the road surface, causing a positive scrub radius. With struts, the SAI angle is much larger than the long arm/short arm type of suspension. This allows the S ...

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