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Home >> GMC >> 2004 >> Envoy RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.2L (Introduction) >> Repair Instructions >> Air Cleaner Element Replacement >> Removal Procedure
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Removal Procedure

  1. Remove the radiator support diagonal brace if applicable. Refer to Brace Replacement - Radiator Support Diagonal in Body Front End.
  2. Fig 1: Disconnecting/Connecting AIR Pump Inlet Hose From Air Cleaner
    GM1297836Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the secondary air injection (AIR) reaction pump inlet hose from the air cleaner air outlet duct.
  4. Fig 2: Disassembling/Assembling Air Cleaner Housing
    GM1361132Courtesy of GENERAL MOTORS CORP.
  5. Loosen the 3 air cleaner housing retaining screws (1).
  6. Remove the air cleaner housing (2).
  7. Lift the air cleaner element (6) and air outlet duct (3) from the lower air cleaner housing/washer solvent tank assembly (4).
  8. Remove the air cleaner element (6) from the air outlet duct (3) with a twisting and pulling motion.
  9. Inspect the entire assembly for dust, debris, or water. Clean or replace as necessary.