Chevrolet Sonic Repair Manual: Drum Brake Hardware Inspection

Chevrolet Sonic Repair Manual / Chassis / Brakes / Drum Brakes / 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 stretching
Broken
Missing

If any of the conditions listed were found, the drum brake upper return spring requires replacement.

Visually inspect the park brake apply lever (2) for the following conditions:

Bent
Broken
Missing

If any of the conditions listed were found, the park brake shoes require replacement.

Visually inspect the drum brake shoe hold down springs and cups (3) and pins for the following conditions:

Excessive corrosion
Broken
Missing
Bent pins

If any of the conditions listed were found, the hold down springs, cups, and pins require replacement.

Visually inspect the drum brake lower return spring (4) for the following conditions:

Excessive corrosion
Excessive stretching
Broken
Missing

If any of the conditions listed were found, the drum brake lower spring requires replacement.

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 ...

Drum Brake 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 ...

Other materials:

Passenger Sensing System
United States Canada The passenger sensing system turns off the front outboard passenger frontal airbag and knee airbag (if equipped) under certain conditions. No other airbag is affected by the passenger sensing system. See Passenger Sensing System for important information. The ...

Inflatable Restraint Sensing and Diagnostic Module Programming and Setup
Special Tools EL-49642 SPS Programming Support Tool For equivalent regional tools, refer to Special Tools. Note: DO NOT program a control module unless directed to by a service procedure or a service bulletin. If the ECU is not properly configured with the correct calibration ...

Secondary Air Injection Pump Installation
Install the secondary air injection pump (1). Loosely install the secondary air injection pump nut (2) and the 2 secondary air injection pump bolts (4). Caution: Refer to Fastener Caution. Tighten the secondary air injection pump nut (2) an ...

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