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Home >> Chevrolet >> 2004 >> Astro Van Cargo, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - 4.3L - Introduction >> Repair Instructions >> Mass Air Flow (MAF) Sensor Replacement >> Removal Procedure
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Removal Procedure

  1. Turn OFF the ignition.
  2. Disconnect the MAF sensor harness connector.
    Fig 1: View Of MAF Sensor Harness Connector
    GM281851Courtesy of GENERAL MOTORS CORP.
  3. Release the air cleaner cover retainer clips.
    Fig 2: Identifying Air Cleaner Cover
    GM281852Courtesy of GENERAL MOTORS CORP.
    NOTE:
    • Handle the MAF sensor carefully.
    • Do not drop the MAF sensor in order to prevent damage to the MAF sensor.
    • Do not damage the screen located on the air inlet end of the MAF.
    • Do not touch the sensing elements.
    • Do not allow solvents and lubricants to come in contact with the sensing elements.
    • Use a small amount of a soap based solution in order to aid in the installation.
  4. Remove the air cleaner outlet duct from the MAF sensor by loosening the hose clamp.
    Fig 3: Identifying Air Cleaner Outlet Duct At MAF Sensor
    GM315353Courtesy of GENERAL MOTORS CORP.
  5. Disconnect the air cleaner cover from the front of the MAF sensor by loosening the hose clamp.
    Fig 4: Air Cleaner Cover At MAF Sensor View
    GM293628Courtesy of GENERAL MOTORS CORP.
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