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Home >> Pontiac >> 2009 >> Vibe Base, 2.4 0, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 123 (Engine Controls And Fuel - 4.6L - Repair Instructions) >> Repair Instructions >> Mass Airflow Sensor with Intake Air Temperature Sensor Replacement >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2011 Cadillac DTS. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • 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.
    Fig 1: Identifying MAF/IAT Sensor Bolts
    GM1670874Courtesy of GENERAL MOTORS COMPANY
  1. Install the MAF/IAT sensor.
    2. CAUTION:

    Refer to Fastener Caution .

  2. Install the MAF/IAT sensor bolts.

    Tighten 

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

    3. Fig 2: View Of Air Cleaner Outlet Duct
    GM1670799Courtesy of GENERAL MOTORS COMPANY
  3. Install the air cleaner outlet duct.
  4. Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor.

    Tighten 

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

    5. Fig 3: View Of Air Cleaner Outlet Duct To Throttle Body
    GM1670790Courtesy of GENERAL MOTORS COMPANY
  5. Tighten the air cleaner outlet duct clamp at the throttle body.

    Tighten 

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

    6. Fig 4: Locating MAF/IAT Sensor Connector
    GM1670786Courtesy of GENERAL MOTORS COMPANY
  6. Connect the engine harness electrical connector to the MAF/IAT sensor.
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