GM Service Manual Online
For 1990-2009 cars only

The air conditioning system in this vehicle contains Refrigerant-134a (R134a). This chemical mixture requires special handling procedures in order to avoid personal injury. When performing work that involves opening the refrigerant system, always perform the following steps:

    • Wear goggles.
    • Wrap a clean cloth around the following components:
       - The fittings
       - The valves
       - The connections
    • Work in a well-ventilated area.
    • Avoid breathing any refrigerant fumes.

Do not weld or steam clean on or near any of the following areas:

    • Vehicle-installed air conditioning lines
    • Vehicle-installed air conditioning components

If R-134a comes into contact with any part of the body, perform the following steps:

    • Flush the exposed area with water.
    • Immediately seek medical attention.

Before attempting any service which requires opening the refrigeration system lines or components, refer to the following procedures:

    •  Handling of Refrigerant Lines and Fittings
    •  Maintaining Chemical Stability

Carefully follow the instructions in the procedure Refrigerant Recovery and Recharging .

All R-134a disposable containers are colored blue. All R-134a disposable containers are shipped with a heavy metal screw cap. This cap protects the following items from damage:

    • The container valve
    • The container safety plug

Replace the cap after each use of the container. Replacing the cap will continue the protection.