GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 Safari - 4WD 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Accumulator Tube Replacement - Auxiliary Side

Tools Required

J 39400-A Halogen Leak Detector

Removal Procedure

    Object Number: 280459 Size: SH
  1. Recover the refrigerant from the system. Refer to Refrigerant Recovery and Recharging .
  2. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  3. Remove the auxiliary evaporator outlet side tube (3) from the rear tube.
  4. Remove the O-ring seal.

    5. Object Number: 280427 Size: SH
  5. Remove the auxiliary evaporator outlet side tube from the compressor hose assembly.
  6. Remove the O-ring seal.

    7. Object Number: 280459 Size: SH
  7. Remove the bolts (1) that retain the clips on the outlet side tube (3) to the body.
  8. Remove the auxiliary evaporator side tube (3) from the vehicle.

Installation Procedure

    Object Number: 280459 Size: SH
  1. Install the auxiliary evaporator outlet side tube (3) to the vehicle.

    2. 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.

  2. Install the bolts (1) that retain the clips on the outlet side tube (3) to the body.

    3. Tighten
    Tighten the bolts to 4 N·m (35 lb in).

  3. Install the new O-ring seal. Coat the O-ring seal with 525 viscosity refrigerant oil.

    4. Object Number: 280427 Size: SH
  4. Install the auxiliary evaporator outlet side tube to the compressor hose assembly.

    5. Tighten
    Tighten the nut to 47.5 N·m (35 lb ft).

  5. Install the new O-ring seal. Refer to O-Ring Replacement .

    6. Object Number: 280459 Size: SH
  6. Install the auxiliary evaporator outlet underside body tube (3) to the auxiliary evaporator rear tube.

    7. Tighten
    Tighten the nut to 47.5 N·m (35 lb ft).

  7. Lower the vehicle.
  8. Evacuate and recharge the system. Refer to Refrigerant Recovery and Recharging .
  9. Leak test the fittings of the component using the J 39400-A .