Chevrolet Sonic Repair Manual: Drum Brake Adjusting Hardware Replacement (J93, J94)
- Removal Procedure
-
- Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.
- Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
- Remove the brake drum. Refer to Brake Drum Replacement.
- Remove the upper brake shoe return spring (1).
- Remove brake shoe adjuster (1).
- Remove the brake shoe adjuster actuator lever (1).
- Inspect the drum brake adjusting hardware and replace any damaged components as necessary. Refer to Drum Brake Adjusting Hardware Inspection.
- Disassemble the brake shoe adjuster and thoroughly clean the adjuster screw threads of any corrosion.
- Apply a light coat of high temperature brake lubricant to the brake shoe adjuster screw threads.
Warning:
Refer to Brake Dust Warning.
- Installation Procedure
-
- Assemble the brake shoe adjuster, setting the adjuster to the fully retracted position.
- Clean the drum brake backing plate of any dirt and debris.
- Apply a light coat of high temperature brake lubricant to the brake drum backing plate shoe contact surfaces.
- Install the brake shoe adjuster actuator lever (1).
- Install brake shoe adjuster (1).
- Install the upper brake shoe return spring (1).
- Adjust the drum brakes. Refer to Drum Brake Adjustment.
- Install the brake drum. Refer to Brake Drum Replacement.
- Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation.
Drum Brake Adjusting Hardware Inspection
Warning: Refer to Brake Dust Warning.
Visually inspect the adjuster actuator spring (1) for the following conditions:
Excessive stretching
Excessive bending
Exces ...
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 ...
Other materials:
Halogen Bulb Warning
Warning: Halogen bulbs contain gas under pressure. Handling a bulb
improperly could cause it to shatter into flying glass fragments. To help avoid
personal injury:
Turn off the lamp switch and allow the bulb to cool before changing
the bulb.
Leave the lamp switch OFF until th ...
Electrical Center Identification Views
Figure 1:
X70A Relay Block - Underhood Label (LUV)
Figure 2:
X70A Relay Block - Underhood, Top View (LUV)
Figure 3:
X50A Fuse Block - Underhood Label (LUV)
Figure 4:
X50A Fuse Block - Underhood Label (LUW)
...
Bushing and Mating Shaft Inspection
Note: Proper bushing and corresponding mating shaft inspection should
be performed before replacing the bushing, shaft, and in some cases, the component
which houses the bushing. Thoroughly clean and dry the bushing and shaft surfaces
before inspecting for damage.
Any of the followin ...
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