OEM GM A/C Compressors

Function:

To compress and circulate refrigerant throughout the air condition system.

Signs of Wear:

Lack of or insufficient cooling, excessive clicking sounds or unusual noises when using the A/C system.

Did You Know?

If your engine begins overheating while driving in heavy traffic, the following steps can help alleviate the condition:

• Set the climate control system to "Heat" or "Vent."

• Set the blower fan on "High" (roll down your windows if the interior becomes too warm).

• Allow more distance between your vehicle and the one in front of you; this enables more air to enter the radiator easily.

These steps will help reduce heat within the system. If the overheating condition persists, pull over to the shoulder of the road and allow the engine to cool. As a precautionary measure, have your vehicle checked by a professional technician as soon as possible.

What It Does:

The Heating and Air Conditioning System heats and cools the vehicle’s cabin and defrosts the windows.

Service & Maintenance:

Your vehicle’s Heating and Air Conditioning System should be checked by a professional technician approximately every 12 months (check your Owner’s Manual for specific recommendations). Any related maintenance should be handled only by professionals.

Many technicians recommend running your air conditioning system regularly – even during the winter – because the system contains a PAG oil (R134a) or mineral oil (R12) in the refrigerant to keep the compressor properly lubricated. The general rule is to run the system about 10 minutes per month.

If you notice any of the following conditions, have your vehicle checked right away.

• Musty smell when the Heating or Air Conditioning System is activated.

• Inadequate cooling or heating temperatures when using the Heating or Air Conditioning System.

• The vehicle’s temperature gauge indicates a "red" condition.

• Steam coming from the engine compartment.

• Unusual smells inside or outside the vehicle.

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