GM Service Manual Online
For 1990-2009 cars only

    Object Number: 787375  Size: SH
  1. Clean the pressure relief valve seat area on the A/C compressor.
  2. Lubricate the O-ring of the new pressure relief valve with clean refrigerant oil.
  3. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  4. Install the new pressure relief valve into the A/C compressor.
  5. Tighten
    Tighten the pressure relief valve to 7 N·m (60 lb in).