GM Service Manual Online
For 1990-2009 cars only

Suction Hose Replacement 1.8L (LAY)

Removal Procedure

    Note: When installing a new hose assembly add 40 ml (1.4 fl oz) of refrigerant oil to the refrigeration system.

  1. Discharge and recover the refrigerant. Refer to Refrigerant Recovery and Recharging.

  2. Object Number: 2044191  Size: SH

    Note: Cap the open fittings to prevent dirt and moisture from entering the refrigeration system.

  3. Remove the bolt (9) and the suction hose (7) from the compressor.
  4. Remove the bolt (3) and the suction hose assembly (7) from the A/C evaporator tube (5).

Installation Procedure

  1. Install new O-rings lubricated with 525 viscosity mineral oil.

  2. Object Number: 2044191  Size: SH
  3. Position the suction hose assembly (7) into the vehicle.
  4. Install the suction hose (7) to the evaporator tube (5).
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the suction hose bolt (3) to the A/C evaporator tube (5)
  7. Tighten
    Tighten the bolt (3) to 9.8 N·m (87 lb in).

  8. Install the suction hose (7) and bolt (9) to the compressor.
  9. Tighten
    Tighten the bolt (9) to 9.8 N·m (87 lb in).

  10. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
  11. Operate the A/C system and test for refrigerant leaks. Refer to Leak Testing.

Suction Hose Replacement 2.4L (LAX)

Removal Procedure

    Note: When installing a new hose assembly add 40 ml (1.4 fl oz) of refrigerant oil to the refrigeration system.

  1. Discharge and recover the refrigerant. Refer to Refrigerant Recovery and Recharging.

  2. Object Number: 2044192  Size: SH

    Note: Cap the open fittings to prevent dirt and moisture from entering the refrigeration system.

  3. Remove the bolt (9) and the suction hose (7) from the compressor.
  4. Remove the bolt (3) and the suction hose assembly (7) from the A/C evaporator tube (5).

Installation Procedure

  1. Install new O-rings lubricated with 525 viscosity mineral oil.

  2. Object Number: 2044192  Size: SH
  3. Position the suction hose assembly (7) into the vehicle.
  4. Install the suction hose (7) to the evaporator tube (5).
  5. Caution: Refer to Fastener Caution in the Preface section.

  6. Install the suction hose bolt (3) to the A/C evaporator tube (5)
  7. Tighten
    Tighten the bolt (3) to 9.8 N·m (87 lb in).

  8. Install the suction hose (7) and bolt (9) to the compressor.
  9. Tighten
    Tighten the bolt (9) to 9.8 N·m (87 lb in).

  10. Evacuate and recharge the refrigerant system. Refer to Refrigerant Recovery and Recharging.
  11. Operate the A/C system and test for refrigerant leaks. Refer to Leak Testing.