Chevrolet Cobalt Service & Repair Manual: Troubleshooting

Chevrolet Cobalt Service & Repair Manual / Brakes / Power Brake Units / Troubleshooting

Brakes Grab

1. Contaminated, worn or faulty brake linings.
2. Drum or brake rotor out-of-round.
3. Faulty brake booster.

Brakes Inefficient/Hard Pedal

1. Contaminated, glazed or faulty brake linings.
2. Frozen caliper piston.
3. Faulty vacuum pump, or leak in booster vacuum supply system.
4. Faulty brake booster.

Slow Or No Release

1. Faulty pushrod adjustment.
2. Bind in linkage.
    Precautions
    1. After disassembling power brake unit, soak metal components in solvent. 2. Use only alcohol on components containing rubber. Aft ...

    Cooling System
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    See also:

    Chevrolet Cobalt Service & Repair Manual. Power Steering System Leak, Inspection
    Most modern cars come equipped with hydraulic power steering, as systems age they can wear out. Power steering fluid leaks (depending on severity) will cause the power steering system to stop working. Always clean all power steering components, hoses and lines bef ...

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