GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2000 🢒 Firebird 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Evaporator Tube Replacement

Removal Procedure

    Object Number: 282947 Size: SH
  1. Recover the refrigerant. Refer to Refrigerant Recovery and Recharging .
  2. Disconnect the electrical connector at the air conditioning (A/C) refrigerant pressure sensor.

    3. Object Number: 282946 Size: SH
  3. Remove the A/C evaporator tube bolt at the module.
  4. Remove the A/C evaporator tube bolt at the condenser.
  5. Remove the A/C evaporator tube from the vehicle.
  6. Discard the O-rings.
  7. Remove the orifice and the pressure sensor, if replacing the tube.

Installation Procedure

    Object Number: 282946 Size: SH
  1. Lightly coat the O-rings with a mineral base 525 viscosity refrigerant oil.
  2. install the orifice and the pressure sensor, if replacing the tube.
  3. Install new O-rings.
  4. Install the A/C evaporator tube to the vehicle.
  5. install the A/C evaporator tube bolt at the condenser.

    6. Tighten
    Tighten the A/C evaporator tube bolt at the condenser to 16 N·m (12 lb ft).

  6. Install the A/C evaporator tube bolt at the module.

    7. Tighten
    Tighten the A/C evaporator tube bolt at the module to 16 N·m (12 lb ft).


    Object Number: 282947 Size: SH
  7. Connect the electrical connector at the A/C refrigerant pressure sensor.
  8. Recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  9. Perform a leak test on the A/C system. Refer to Leak Testing .