GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Tahoe 4WD - RHD 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Auxiliary Air Conditioning Compressor and Condenser Hose Replacement

Removal Procedure

    Object Number: 293465 Size: SH
  1. Evacuate the A/C system. Refer to Refrigerant Recovery and Recycling, Adding Oil, Evacuating and Recharging Procedures in HVAC With A/C Manual, HVAC, in the 1999 C/K Truck Service Manual.

    2. Important: Cap or plug all of the open connections in order to prevent contamination.

  2. Disconnect the compressor and condenser hose at the condenser.
  3. Disconnect the auxiliary compressor and condenser hose at the fitting.

    4. Object Number: 293466 Size: SH
  4. Disconnect the compressor and condenser hose from the accumulator.
  5. Remove the bolt from the top of the compressor.
  6. Remove the compressor and condenser hose assembly from the vehicle.
  7. Remove the O-ring seals from the ends of the hoses.

Installation Procedure

    Object Number: 293466 Size: SH
  1. Install new O-ring seals into the ends of the hoses.
  2. Coat the O-ring seals with 525 viscosity refrigerant oil.
  3. Install the compressor and condenser hose assembly to the vehicle.

    4. 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 bolt to the top of the compressor.

    5. Tighten
    Tighten the bolt to 35 N·m (26 lb ft).

  5. Connect the compressor and condenser hose to the accumulator.

    6. Tighten
    Tighten the fitting to 45 N·m (33 lb ft).


    Object Number: 293465 Size: SH
  6. Connect the compressor and condenser hose to the condenser.

    7. Tighten
    Tighten the fitting to 27.5 N·m (21 lb ft).

  7. Connect the auxiliary compressor and condenser hose at the fitting.

    8. Tighten
    Tighten the fitting to 27.5 N·m (21 lb ft).

  8. Recharge the A/C system. Refer to Refrigerant Recovery and Recycling, Adding Oil, Evacuating and Recharging Procedures in HVAC With A/C Manual, HVAC, in the 1999 C/K Truck Service Manual.
  9. Inspect the system for leaks. Refer to Leak Testing in Heater, Ventilation, and Air Conditioning in the 1999 C/K Service Manual.