Chevrolet Cobalt Service & Repair Manual: Cooling System

Troubleshooting

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

Coolant Hose, Replace

Lower 1. Drain coolant into a suitable container. 2. Loosen hose clamp connecting hose to radiator. 3. Loos ...

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Chevrolet Cobalt Service & Repair Manual. Leak Test
Before beginning any leak test, attach a manifold gauge set and note pressure. If little or no pressure is indicated, a partial charge must be installed. Inspect all connections, compressor head gasket, oil filler plug and compressor shaft seal for leaks. Electronic Leak Det ...