Chevrolet Cobalt Service & Repair Manual: Brake Drum R&R
| 1. |
Raise and support the vehicle. |
| 2. |
Remove the tire and wheel assembly. |
| 3. |
Remove and discard the brake drum retainers
(1), if equipped, Fig. 1. |
| 4. |
Remove the brake drum (1), Fig.
2. |
| 5. |
If reinstalling the brake drum, use
the J-41013 Rotor Resurfacing Kit to clean the wheel hub flange
mating surface of the brake drum of any corrosion. |
| 6. |
Reverse procedure to install, noting
the following: |
| |
a. |
Adjust the drum brakes. |
| |
b. |
Ensure the park brake lever is in the
fully released position. |
| |
c. |
Release the park brake lever boot from
the floor console by applying light pressure inward on the sides
of the boot retainer. |
| |
d. |
Pull the boot away from the console
to expose the front park brake cable adjusting nut (1). |
| |
e. |
Release the tension from the park brake
cable system at the front cable adjusting nut. |
| |
f. |
Using only hand tools, loosen the adjusting
nut completely to the end of the front cable threaded rod. |
| |
g. |
Position tool No. J-21177-A drum to
brake shoe clearance gauge to widest point of the brake drum inside
diameter and firmly hand tighten the set screw on tool No. J-21177-A
drum to brake shoe clearance gauge . |
| |
h. |
Remove tool No. J-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, Fig.
3. |
| |
i. |
While holding tool No. J-21177-A drum
to brake shoe clearance gauge in position, insert a 0.015 inch feeler
gauge between one side of tool No. J-21177-A drum to brake shoe
clearance gauge, and the corresponding brake shoe lining. |
| |
j. |
Rotate the brake shoe adjuster screw
until the brake shoe linings contact tool No. J-21177-A drum to
brake shoe clearance gauge and the feeler gauge. Specification brake
shoe lining-to-drum clearance: 0.015 inch. |
| |
k. |
Repeat the above steps for the opposite
brake drum and brake shoe assembly. |
| |
l. |
Install the rear tire and wheel assemblies. |
| |
n. |
Position the park brake lever boot
to the floor console and press the boot retainer into place to secure. |
| |
o. |
Apply the brakes two or three times
to seat and center the brake shoes on the brake drum. |
|
Fig. 1 Brake drum retainer replacement
Fig. 2 Brake drum replacement
Fig. 3 Drum brake adjustment
A visual inspection must always
be performed to confirm the presence of aftermarket components, potential
collision damage, or areas of concern.
The ABS module is self moni ...
Caution: Avoid taking the following
actions when you service wheel brake components: Do not grind brake linings.
Do not sand brake linings. Do not clean wheel brake components with a dr ...
See also:
Chevrolet Cobalt Service & Repair Manual. Noise, Diagnosis
A visual inspection must always
be performed to confirm the presence of aftermarket components, potential
collision damage, or areas of concern.
A noise produced by a vibration
can be diagnosed in the same manner as a vibration. A noise produced by
wind, leaks, or ...
Chevrolet Cobalt Owners Manual
Chevrolet Cobalt Service Manual
Anti-Lock Brake System, Inspection
Brake Drum, Reface