LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Chevrolet >> 2006 >> Impala LTZ >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 3.9L - Introduction (2 Of 2) >> Repair Instructions >> Air Cleaner Assembly Replacement >> Removal Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Removal Procedure

    Fig 1: Disconnecting The Positive Crankcase Ventilation (PCV) Tube
    GM1582009Courtesy of GENERAL MOTORS CORP.
  1. Remove the left inner fender brace. Refer to Brace Replacement - Front Fender Upper Diagonal .
  2. Loosen the air cleaner outlet duct clamp at the throttle body.
  3. Remove the air cleaner outlet duct from the throttle body.
  4. Disconnect the positive crankcase ventilation (PCV) tube from the air inlet duct. Refer to Quick Connect Fitting(s) Service (Plastic Collar) .
    5. Fig 2: Removing The PCM And The Harness From The Lower Air Cleaner Housing
    GM1554546Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the mass air flow (MAF) sensor electrical connector.
  6. Remove the upper air cleaner housing from the lower housing. Disengage the tabs on the upper housing from the slots on the lower housing.
  7. Without disconnecting the powertrain control module (PCM) connectors, remove the PCM and the harness from the lower air cleaner housing.
  8. Without disconnecting the transmission control module (TCM) connectors, remove the TCM and the harness from the lower air cleaner housing.
  9. Loosen the air cleaner outlet duct clamp at the air cleaner assembly.
  10. Remove the air cleaner outlet duct from the air cleaner.
    11. Fig 3: Removing The Lower Air Cleaner Housing
    GM1554550Courtesy of GENERAL MOTORS CORP.
  11. Remove the lower air cleaner housing by pulling the housing from the 2 rubber grommets on the inner rail.
  12. Inspect the air cleaner housing assembly for signs of damage and replace if necessary.
scientia non olet · About LEMON Manuals