Chevrolet Cobalt Service & Repair Manual: Precautions

Chevrolet Cobalt Service & Repair Manual / Air Conditioning & Heater / General Service / Precautions

Battery Ground Cable

Prior to service, disconnect battery ground cable and isolate as required.

Radio Coded Theft Protection System

The "Theftlock" theft deterrent system is a feature on all base and uplevel radios. There is no need to program a security code into the radio as in past model years. The theft deterrent system now utilizes class 2 serial data to determine if the radio is in the appropriate vehicle.

Product Compatibility

R-134a is the only approved refrigerant for use in this vehicle. The use of any other refrigerant may result in poor system performance or component failure.

To avoid system damage use only R-134a dedicated tools when servicing the A/C system.

Use only Polyalkylene Glycol Synthetic Refrigerant Oil (PAG) for internal circulation through the R-134a A/C system and only 525 viscosity mineral oil on fitting threads and O-rings. If lubricants other than those specified are used, compressor failure and/or fitting seizure may result.

Oil Change

Add the recommended refrigerant oil in the amount listed if you replace any of the parts listed. To avoid contamination, do not return the oil to the container once dispensed, and n ...

Refrigerant Recovery

The refrigerant system must be discharged using an air conditioning refrigerant recovery and recycling system. After completing any required repairs the refrigerant system can be ev ...

Chevrolet Cobalt Service & Repair Manual: Precautions

Oil Change

Refrigerant Recovery

See also:

Chevrolet Cobalt Owners Manual

Chevrolet Cobalt Service Manual