GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 354735  Size: MH
  1. Discharge and recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. The discharge pipe is a 2-piece assembly. Replace either piece, or both as necessary.
  3. Remove the bolt and the discharge pipe (3) from the compressor.

  4. Remove the nut and the discharge pipe at the condenser block fitting.
  5. Remove the bolt from the fan mounting bracket.
  6. Disconnect the pipe fitting at the condenser inlet.
  7. Remove the discharge pipe from the vehicle.

Installation Procedure

  1. Coat new O-rings with mineral base 525 viscosity refrigerant oil.
  2. Install the O-rings to the discharge pipe (3).

  3. Object Number: 354735  Size: MH

    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. Connect the pipe fitting at the condenser inlet.
  5. Tighten
    Tighten the pipe fitting to 9.8 N·m (86.74 lb in).

  6. Install the bolt to the fan mounting bracket.
  7. Install the discharge pipe to the condenser block fitting. Secure with the nut.
  8. Tighten
    Tighten the condenser block fitting nut to 9.8 N·m (86.74 lb in).

  9. Install the discharge pipe (3) to the compressor. Secure with the bolt.
  10. Tighten
    Tighten the bolt to 9.8 N·m (86.74 lb in).

  11. Evacuate and recharge the air conditioning (A/C) system. Refer to Refrigerant Recovery and Recharging .
  12. Operate the A/C system and inspect for refrigerant leaks. Refer to Leak Testing .