Chevrolet Sonic Repair Manual: 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.
- Ensure the park brake lever is in the fully released position.
- Remove the front floor console cupholder insert.
Note:
Use ONLY HAND TOOLS when loosening or tightening the adjusting
nut.
- Using ONLY HAND TOOLS, loosen the adjusting nut (1) completely to the end
of the front cable threaded rod.
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
- Remove the rear tire and wheel assemblies. Refer to Tire and Wheel Removal
and Installation.
- Remove the brake drums. Refer to Brake Drum Replacement.
- Position the CH-21177-A Drum to Brake Shoe Clearance Gauge to the
widest point of the brake drum inside diameter.
- Firmly hand tighten the set screw on the CH-21177-A Drum to Brake
Shoe Clearance Gauge .
- 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.
- 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.
- 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.
- Repeat the above steps for the opposite brake drum and brake shoe assembly.
- Install the brake drums. Refer to Brake Drum Replacement.
- Adjust the park brake. Refer to Parking Brake Adjustment.
- Install the rear tire and wheel assemblies. Refer to Tire and Wheel Removal
and Installation.
- Lower the vehicle.
- Install the front floor console cupholder insert.
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 ...
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:
Fog Lamps (RS)
To replace the front fog lamp bulb:
1. Locate the fog lamp located under the front fascia.
2. Remove the cap from the back of the fog lamp assembly.
3. Disconnect the electrical connector from the fog lamp bulb assembly.
4. Remove the bulb by turning it counterclockwise and pulling it straight ...
Water Pump Pulley Removal
Loosen the 3 water pump pulley bolts (2) while holding up the water pump
pulley hub with a wrench.
Remove the 3 water pump pulley bolts (2).
Remove the water pump pulley (1).
...
Transmission Fluid Pump, Front Differential Carrier Baffle, and Front Differential
Ring Gear Installation (6T30)
Transmission Fluid Pump, Front Differential Carrier Baffle, and Front
Differential Ring Gear Installation
Callout
Component Name
1
Torque Converter and Differential Housing Seal
2
Fluid Pu ...
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