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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 >> Installation Procedure
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Installation Procedure

NOTE: Refer to FASTENER NOTICE in Cautions and Notices.
IMPORTANT: Point the flow arrows on the MAF sensor away from the air cleaner.
  1. Attach the MAF sensor to the air cleaner cover by tightening the hose clamp.
    Fig 1: Air Cleaner Cover At MAF Sensor View
    GM293628Courtesy of GENERAL MOTORS CORP.

    Tighten:  Tighten the clamp to 4 N.m (35 lb in).

  2. Attach the air cleaner outlet duct to the MAF sensor by tightening the hose clamp.

    Tighten:  Tighten the clamp to 4 N.m (35 lb in).

    Fig 2: Identifying Air Cleaner Outlet Duct At MAF Sensor
    GM315353Courtesy of GENERAL MOTORS CORP.
  3. Install the air cleaner cover by fastening the air cleaner cover retainer clips.
    Fig 3: Identifying Air Cleaner Cover
    GM281852Courtesy of GENERAL MOTORS CORP.
  4. Connect the MAF sensor harness connector.
  5. Fig 4: View Of MAF Sensor Harness Connector
    GM281851Courtesy of GENERAL MOTORS CORP.