GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2002 🢒 Express 🢒 HVAC 🢒 Heating, Ventilation and Air Conditioning 🢒 Suction Screen Replacement

Tools Required
    • J 42220 Universal Leak Detection Lamp
    • J 44551 Suction Screen Kit

Removal Procedure

    Object Number: 812271 Size: SH
  1. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging .
  2. Remove the A/C compressor hose assembly bolt.
  3. Separate the A/C compressor hose assembly from the A/C compressor.

    4. Important: The suction screens are available in 3 different sizes.

  4. Select the proper size removal tool (1) from J 44551 .
  5. Remove the suction screen using the J 44551 -31 suction screen removal tool:
    6. 5.1. Thread the forcing screw into the suction screen.
    5.2. Tighten the nut on the forcing screw to remove the suction screen.

Installation Procedure

    Object Number: 812268 Size: SH
  1. Insert the J 44551 -6 sizing tool (1) into the suction hose to select the correct size suction screen.

    2. Object Number: 812269 Size: SH
  2. Insert the suction screen into the suction hose.
  3. Install the J 44551 -3 mandrel (1) to the J 44551 -5.

    4. Object Number: 812270 Size: SH
  4. Install the J 44551 -5 suction screen installation tool (3) over the end of the suction hose and the suction screen (2).

    5. Important: Correct placement of J 44551 -5 is critical.

  5. Tighten the forcing screw of J 44551 -5.

    6. The suction screen is fully installed when the screen is flush with the end of the suction hose.

  6. Remove the J 44551 -5 suction screen tool from the suction hose.
  7. Replace the seal washers. Refer to Compressor Sealing Washers Replacement .
  8. Install the A/C compressor hose assembly to the A/C compressor.

    9. Notice: Refer to Fastener Notice in the Preface section.

  9. Install the A/C compressor hose assembly bolt.

    10. Tighten
    Tighten the bolt to 34 N·m (25 lb ft).

  10. Evacuate and recharge the A/C system. Refer to Refrigerant Recovery and Recharging .
  11. Leak test the fittings of the component using J 42220 .