Chevrolet Sonic manuals
 

Chevrolet Sonic Repair Manual: Drum Brake Adjustment

Chevrolet Sonic Repair Manual / Chassis / Brakes / Drum Brakes / Drum Brake Adjustment

Special Tools

CH-21177-A Drum to Brake Shoe Clearance Gauge

For equivalent regional tools, refer to Special Tools.

    Warning:

    Refer to Brake Dust Warning.

  1. Ensure the park brake lever is in the fully released position.
  2. Remove the front floor console cupholder insert.

    3. Note:

    Use ONLY HAND TOOLS when loosening or tightening the adjusting nut.

  3. Using ONLY HAND TOOLS, loosen the adjusting nut (1) completely to the end of the front cable threaded rod.
  4. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
  5. Remove the rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation.
  6. Remove the brake drums. Refer to Brake Drum Replacement.


  7. Position the CH-21177-A Drum to Brake Shoe Clearance Gauge to the widest point of the brake drum inside diameter.
  8. Firmly hand tighten the set screw on the CH-21177-A Drum to Brake Shoe Clearance Gauge .


  9. Remove the CH-21177-A Drum to Brake Shoe Clearance Gauge from the brake drum and position it over the corresponding brake shoe assembly at its widest point.
  10. While holding the CH-21177-A Drum to Brake Shoe Clearance Gauge in position, insert a proper feeler gauge between one side of the CH-21177-A Drum to Brake Shoe Clearance Gauge , and the corresponding brake shoe lining.
  11. Rotate the brake shoe adjuster screw until the brake shoe linings contact the CH-21177-A Drum to Brake Shoe Clearance Gauge and the feeler gauge. Refer to Drum Brake Component Specifications.
  12. Repeat the above steps for the opposite brake drum and brake shoe assembly.
  13. Install the brake drums. Refer to Brake Drum Replacement.
  14. Adjust the park brake. Refer to Parking Brake Adjustment.
  15. Install the rear tire and wheel assemblies. Refer to Tire and Wheel Removal and Installation.
  16. Lower the vehicle.
  17. Install the front floor console cupholder insert.
Drum Brake Adjusting Hardware Replacement (J93, J94)
Removal Procedure Warning: Refer to Brake Dust Warning. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle. Remove the tire and wheel assembly. Re ...

Drum Brake Hardware Inspection
Warning: Refer to Brake Dust Warning. Visually inspect the drum brake upper return spring (1) for the following conditions: Excessive corrosion Excessive stretchin ...

Other materials:

Front Side Door Lock Cylinder Coding (Non Free Wheeling)
The door lock cylinder uses 8 of the 8?€‰cut positions. The tumbler positions are staggered from side to side, 4 on one side and 4 on the other, are not self-retaining, and are not snap in. Note: All lock cylinders for side milled keys have right and left tumblers. The locat ...

Spark Plug Replacement
Spark Plug Replacement Callout Component Name Preliminary Procedure Open the hood. Remove the engine sight shield. Remove the ignition coil. Refer to Ignition Coil Replacement. 1 Spark P ...

Drive Range, Sixth Gear (Gen 1)
As vehicle speed increases, the transmission control module (TCM) processes input signals from the automatic transmission input and output speed sensors, the throttle position sensor and other vehicle sensors to determine the precise moment to command ON the normally-low 26 pressure control so ...

© 2014-2026 Copyright www.csmans.com
 
0.0053