GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1857766  Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .
  2. Loosen the air cleaner resonator duct clamp (1).
  3. Remove the air cleaner resonator duct.
  4. Remove the mass air flow (MAF/intake air temperature (IAT) sensor bolts (2).
  5. Remove the MAF/IAT sensor (3) and seal.

Installation Procedure


    Object Number: 1857766  Size: SH
  1. Install the NEW MAF/IAT sensor (3) and seal.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the MAF/IAT sensor bolts (2).
  4. Tighten
    Tighten the bolts to 4 N·m (35 lb in).

  5. Install the air cleaner resonator duct.
  6. Tighten the air cleaner resonator duct clamp (1).
  7. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement .