GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2001 🢒 Tracker - 4WD 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Air Conditioning Evaporator Tube Replacement - Inlet

Removal Procedure
  1. Discharge and recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Remove the front grille. Refer to Grille Replacement in Exterior Trim.
  3. Remove the air cleaner hose.
  4. Slide the EVAP canister out of its bracket and position aside.

    5. Object Number: 491499 Size: SH
  5. Remove the bolt (1) from the expansion valve.
  6. Slide the plate (2) counterclockwise and remove the evaporator inlet tube from the expansion valve.

    7. Object Number: 467833 Size: SH
  7. Disconnect the condenser outlet-to-evaporator inlet fitting (6).
  8. Remove the evaporator inlet tube from the body mounted retainers.
  9. Remove the evaporator inlet tube from the vehicle.

Installation Procedure

    Object Number: 491499 Size: SH
  1. Install new O-rings coated with mineral base 525 viscosity refrigerant oil.
  2. Install the evaporator inlet tube to the vehicle.
  3. Install the evaporator inlet tube to the body mounted retainers.
  4. Install the evaporator inlet tube to the expansion valve.

    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. Slide the plate (2) clockwise and install the bolt.

    6. Tighten
    Tighten the bolt (1) to 35 N·m (26 lb ft).

  6. Connect the evaporator inlet tube to the condenser outlet tube (6).

    7. Tighten
    Tighten the fitting to 35 N·m (26 lb ft).


    Object Number: 467833 Size: SH
  7. Install the EVAP canister to its bracket.
  8. Install the air cleaner hose.
  9. Install the front grille. Refer to Grille Replacement in Exterior Trim.
  10. Evacuate and recharge the air conditioning system. Refer to Refrigerant Recovery and Recharging .
  11. Operate the A/C system and test for refrigerant leaks. Refer to Leak Testing .