GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Oldsmobile 🢒 1998 🢒 Silhouette Ext. 🢒 HVAC 🢒 HVAC Systems - Manual 🢒 Condenser Tube Replacement

Removal Procedure
  1. Remove the air cleaner cover and duct assembly. Refer to Air Cleaner Element Replacement in Engine Controls.
  2. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .

    3. Object Number: 392597 Size: SH
  3. Disconnect the liquid line fitting at the condenser.

    4. Object Number: 299193 Size: SH
  4. Disconnect the liquid line (2) at the rear fitting (C34 only).

    5. Object Number: 392593 Size: SH
  5. Disconnect the liquid line fitting at the orifice.
  6. Carefully remove the liquid line.
  7. Remove the O-rings.

Installation Procedure

    Object Number: 297232 Size: SH
  1. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the A/C refrigerant hose and the A/C refrigerant component.
  2. Lightly coat the new O-ring seals (1) with mineral base 525 viscosity refrigerant oil.

    3. Important: DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the new O-ring seal to enter the refrigerant system.

  3. Carefully slide the new O-ring seals (1) onto the A/C refrigerant hose until seated.

    4. Object Number: 392593 Size: SH
  4. Position the liquid line into place.

    5. 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.

  5. Connect the liquid line fitting at the orifice.

    6. Tighten
    Tighten the fitting to 27 N·m (20 lb ft).


    Object Number: 299193 Size: SH
  6. Connect the liquid line (2) at the rear fitting (C34 only).

    7. Tighten
    Tighten the fitting to 27 N·m (20 lb ft).


    Object Number: 392597 Size: SH
  7. Connect the liquid line fitting at the condenser.

    8. Tighten
    Tighten the fitting to 27 N·m (20 lb ft).

  8. Evacuate, charge and leak test the system. Refer to Refrigerant Recovery and Recharging and Leak Testing .
  9. Install the air cleaner cover and duct assembly. Refer to Air Cleaner Element Replacement in Engine Controls.