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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1546 (Heating, Ventilation And Air Conditioning) >> Repair Instructions >> Condenser Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2004 Chevrolet Corvette. However, it is still accessible from the selected car via links, so may be relevant.
    IMPORTANT: If replacing the condenser, add the refrigerant oil to the condenser. Refer to Refrigerant System Capacities  for system capacity information.
    Fig 1: Condenser Insulators
    GM296222Courtesy of GENERAL MOTORS CORP.
  1. Replace the condenser insulators (2), if necessary:
    1. Remove all traces of the old insulators.
    2. Using isopropyl alcohol, or equivalent, wipe clean the front surface of the condenser LH and RH edges.
    3. Remove the paper backing (1) from the new insulators (2).
    4. Align and install the insulators (2) while keeping a gap (3) of 1 mm (0.039 in) between the insulators (2) and the inner edges of the condenser, as shown.
    2. Fig 2: Inspecting Condenser Insulators At LH & RH Front Edges For Damage
    GM628097Courtesy of GENERAL MOTORS CORP.
  2. Position the condenser into the vehicle.

    Install the condenser to the radiator so that the condenser is above the installed position.

    3. Fig 3: Radiator Slots & Condenser Tabs
    GM296225Courtesy of GENERAL MOTORS CORP.
  3. Lower the condenser to secure the condenser tabs (1) to the radiator slots (2).
  4. Install the radiator air baffle. Refer to Radiator Air Baffle Assemblies and Deflectors in Engine Cooling.
  5. Raise and support the vehicle.
  6. Remove the cap or tape from the compressor hose and the condenser.
  7. Install a new O-ring. Refer to O-Ring Replacement .
    8. Fig 4: Condenser Compressor Hose Assembly & Condenser
    GM82073Courtesy of GENERAL MOTORS CORP.
  8. Install the compressor hose to the condenser.
    9. Fig 5: Disassembling/Reassembling A/C Line Fittings
    GM297225Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  9. Using a back-up wrench on the condenser fitting (2), secure the compressor hose fitting (1) to the condenser.

    Tighten:  Tighten the fitting to 24 N.m (17 lb ft).

  10. Lower the vehicle.
  11. Remove the cap or tape from the front evaporator tube and the condenser.
  12. Install a new O-ring. Refer to O-Ring Replacement .
    13. Fig 6: Condenser Front Evaporator Tube & Bolt
    GM297294Courtesy of GENERAL MOTORS CORP.
  13. Connect the front evaporator tube to the condenser.
  14. Install the evaporator tube to condenser bolt.

    Tighten:  Tighten the bolt to 27 N.m (20 lb ft).

  15. Install the upper radiator support. Refer to Radiator Support Replacement in Engine Cooling.
  16. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  17. Leak test the fittings of the component using J 39400-A  . See Special Tools and Equipment .
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