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. Caution: Refer to Fastener Caution in the Preface section.

  3. Install the MAF/IAT sensor bolts (2) and tighten to 4 N·m (35 lb in).
  4. Install the air cleaner resonator duct.
  5. Tighten the air cleaner resonator duct clamp (1).
  6. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.