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:
Radio Controls without Touchscreen
The buttons used to control the radio are:
P /VOL: Press to turn the radio on and off.
RADIO/BAND: Press to choose between AM, FM, and SiriusXM®, if equipped.
Push/MENU/TUNE Knob: Turn to navigate the available menus. Turn to search for
stations.
INFO: Press to display additional information ...
Dome Lamp Bulb Replacement
Dome Lamp Bulb Replacement
Callout
Component Name
Preliminary Procedure
Remove the windshield header courtesy lamp. Refer to Windshield Header
Courtesy Lamp Replacement
1
Dome Lamp Bulb
...
Liftgate Weatherstrip Replacement
Liftgate Weatherstrip Replacement
Callout
Component Name
1
Liftgate Weatherstrip
Procedure
Clean the area where the seal will be mounted. Use a suitable solvent
with a mixture of 50?€‰percent isopropyl alc ...
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