GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2009 🢒 TopKick C-Series (Conventional) C6/C7/C8 🢒 HVAC 🢒 Heating, Ventilation, and Air Conditioning 🢒 Suction Screen Replacement

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

Removal Procedure
  1. Remove the air cleaner layer. Refer to Air Cleaner Replacement.
  2. Recover the refrigerant from the A/C system. Refer to Refrigerant Recovery and Recharging.

    3. Object Number: 812271 Size: SH
  3. Remove the A/C compressor hose assembly bolt.
  4. Separate the A/C compressor hose assembly from the A/C compressor.

    5. Note: The suction screens are available in 3 different sizes.

  5. Select the proper size removal tool (1) from J 44551 .
  6. Remove the suction screen using J 44551-31 suction screen remover.
    7. 6.1. Thread the forcing screw into the suction screen.
    6.2. Tighten the nut on the forcing screw to remove the suction screen.

Installation Procedure

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

    3. Object Number: 812269 Size: SH
  3. Install J 44551-3 mandrel (1) to J 44551-5.

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

    5. Note: 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 J 44551-5 suction screen tool from the suction hose.
  7. Replace the seal washers. Refer to Sealing Washer Replacement.
  8. Install the A/C compressor hose assembly to the A/C compressor.

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

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

    10. Tighten
    Tighten the bolt to 50 N·m (37 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 .
  12. Install the air cleaner layer. Refer to Air Cleaner Replacement.