GM Service Manual Online
For 1990-2009 cars only

Air Cleaner Assembly Replacement VIN K

Removal Procedure

  1. Turn OFF the ignition.

  2. Object Number: 471749  Size: SH
  3. Remove the electrical connector (2) from the IAT sensor (1).
  4. Remove the bolts from the inner fender brace and remove the brace.
  5. Loosen the clamp securing the air intake duct to the air cleaner housing.

  6. Object Number: 481272  Size: SH
  7. Carefully remove the air intake duct from the throttle body and air cleaner housing.
  8. Remove the screws (2) from the air cleaner housing sections.
  9. Remove the cover assembly (1) from the air cleaner housing.
  10. Without disconnecting the PCM connectors, remove the PCM (4) and the harness from the PCM housing (3).

  11. Object Number: 444479  Size: SH
  12. Carefully remove the PCM housing (1) by pulling the housing from the 2 rubber grommets in the engine compartment. Inspect the assembly for signs of damage, and replace the assembly if necessary.

Installation Procedure


    Object Number: 444479  Size: SH
  1. Carefully reinstall the PCM housing by pushing the housing into the 2 rubber grommets (2) in the engine compartment.
  2. Carefully reinstall the PCM (4) and the harness into the PCM housing (3).

  3. Object Number: 481272  Size: SH
  4. Reinstall the air cleaner housing cover assembly (1).
  5. Reinstall the 2 screws (2) into the 2 air cleaner housing sections.
  6. Carefully reinstall the air intake duct to the throttle body and air cleaner housing (1).
  7. Tighten the clamp securing the air intake duct to the air cleaner housing (1).
  8. Position the inner fender brace and reinstall the 3 bolts.

Air Cleaner Assembly Replacement VIN 1

Removal Procedure

  1. Turn OFF the ignition.

  2. Object Number: 471749  Size: SH
  3. Remove the electrical connector (2) from the intake air temperature (IAT) sensor (1).
  4. Remove the bolts from the inner fender brace and remove the brace.
  5. Loosen the clamp securing the air intake duct to the air cleaner housing.

  6. Object Number: 481272  Size: SH
  7. Carefully remove the air intake duct from the throttle body and air cleaner housing.
  8. Remove the screws (2) from the air cleaner housing sections.
  9. Remove the cover assembly (1) from the air cleaner housing .
  10. Without disconnecting the PCM connectors, remove the PCM (4) and the harness from the PCM housing (3).

  11. Object Number: 444479  Size: SH
  12. Carefully remove the PCM housing (1) by pulling the housing from the 2 rubber grommets in the engine compartment. Inspect the assembly for signs of damage, and replace the assembly if necessary.

Installation Procedure


    Object Number: 444479  Size: SH
  1. Carefully reinstall the PCM housing by pushing the housing into the 2 rubber grommets (2) in the engine compartment.
  2. Carefully reinstall the PCM (4) and the harness into the PCM housing (3).

  3. Object Number: 481272  Size: SH
  4. Reinstall the air cleaner housing cover assembly (1).
  5. Reinstall the 2 screws (2) into the 2 air cleaner housing sections.
  6. Carefully reinstall the air intake duct to the throttle body and air cleaner housing (1).
  7. Tighten the clamp securing the air intake duct to the air cleaner housing (1).
  8. Position the inner fender brace and reinstall the 3 bolts.