GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1998 🢒 Monte Carlo 🢒 Engine 🢒 Engine Controls - 3.1L 🢒 Air Cleaner Assembly Replacement

Removal Procedure
  1. Disconnect the IAT sensor electrical connector.
  2. Remove the 3 bolts from the inner fender brace and remove the brace.
  3. Loosen the clamp securing the air intake duct to the air cleaner housing.

    4. Object Number: 444496 Size: SH
  4. Carefully remove the air intake duct from the throttle body and air cleaner housing (1).
  5. Remove the 2 screws (2) from the 2 air cleaner housing sections.
  6. Remove the air cleaner housing cover assembly (1).
  7. Without disconnecting the PCM connectors, remove the PCM (4) and harness from the PCM housing (3).

    8. Object Number: 444479 Size: SH
  8. 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 if required.

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 harness into the PCM housing (3).

    3. Object Number: 444496 Size: SH
  3. Reinstall the air cleaner housing cover assembly (1).
  4. Reinstall the 2 screws (2) into the 2 air cleaner housing sections.
  5. Carefully reinstall the air intake duct to the throttle body and air cleaner housing (1).
  6. Tighten the clamp securing the air intake duct to the air cleaner housing (1).
  7. Position the inner fender brace and reinstall the 3 bolts.