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:
Front Side Door Weatherstrip Replacement - Body Side
Front Side Door Weatherstrip Replacement - Body Side
Callout
Component Name
Preliminary Procedures
Remove the upper center pillar trim. Refer to Center Pillar Upper
Trim Panel Replacement.
Remove the lower center pillar t ...
Front Wheel Drive Shaft Seal Replacement - Right Side
Special Tools
DT-446 Installer Drift
DT-7004 Slide Hammer
DT-23129 Universal Seal Remover
For equivalent regional tools, refer to Special Tools.
Removal Procedure
Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
Remove the front suspension sk ...
Engine Oil Cooler Disassemble
Remove the oil cooler coolant inlet hose clamp (2).
Remove the oil cooler coolant inlet hose (1).
Remove the oil cooler coolant inlet pipe bolt (7)
Remove the oil cooler coolant inlet pipe (3) and the seal ring (6).
Remove the oil cooler coolant out ...
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