Chevrolet Cobalt Service & Repair Manual: Brake System, Inspection
| A visual inspection must always
be performed to confirm the presence of aftermarket components, potential
collision damage, or areas of concern. |
| Always clean all brake system
components, hoses and lines before starting the inspection. Many system
leaks can be identified during cleaning. |
| 1. |
Verify stop lamps operate correctly
by applying and releasing brake pedal with ignition switch in OFF
position. |
| 2. |
Start vehicle engine and firmly press
brake pedal. |
| 3. |
Inspect pedal for "spongy" or abnormal
feel when applying pressure. |
| 4. |
Inspect instrument cluster for ABS
or brake light illumination. |
| 5. |
Connect a suitably programmed scan
tool and ensure no brake system codes are present. If equipped,
ABS hydraulic unit can be cycled at this time. |
| 6. |
Test drive vehicle at normal surface
road speeds. Ensure brakes operate smoothly and do not pull to either
side. Listen for any irregular sounds when applying brakes. |
| 7. |
Inspect brake system fluid level. If
fluid level is low, this may be caused by worn brake pads or system
leaks. |
| 8. |
Raise and support vehicle using a suitable
vehicle lift. |
| 9. |
Inspect brake pads for excessive wear.
Ensure inner and outer brake pads are worn evenly. |
| 10. |
Inspect brake rotors for scoring or
discoloration. |
| 11. |
Visually inspect system for any leaks. |
|
Warning: 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 ...
Refer to Fig. 1
when performing the following procedure.
1.
Apply and fully release the park brake
several times, then verify that the park brake lev ...
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 ...
Brake Rotor, Reface
Parking Brake Cable Adjust