GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Open the hood.
  2. Disconnect the mass air flow (MAF) sensor electrical connector, if equipped.

  3. Object Number: 799723  Size: SH

    Important: Take care when handling the MAF. DO NOT dent, puncture, or otherwise damage the honey well located at the air inlet end of the MAF. DO NOT touch the sensing elements or allow anything, including solvents and lubricants, to come in contact with them. A small amount of GM Lubricant P/N 99855406 may be used on the air duct only to aid in installation. DO NOT drop or roughly handle the MAF.

    Important: DO NOT remove any constant tension clamp retaining a bellow to an air cleaner elbow. Once a constant tension clamp is removed the integrity of the clamp is damaged. The sealing joint between a bellow and the air cleaner bellow should not be broken. Once this joint is broken, the air cleaner duct assembly must be replaced.

  4. Loosen the clamps and remove the air cleaner duct from the air cleaner assembly .

  5. Object Number: 799728  Size: SH
  6. Remove the air cleaner assembly retaining nut.

  7. Object Number: 799726  Size: SH
  8. Remove the air cleaner assembly retaining bolt .
  9. Remove the air cleaner outlet pipe clamp.
  10. Remove the air cleaner assembly from the bracket.

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 799728  Size: SH
  1. Install the air cleaner assembly to the air cleaner assembly mounting bracket .
  2. Tighten
    Tighten the air cleaner assembly attaching bolts to 5 N·m (4 lb ft).


    Object Number: 799723  Size: SH
  3. Install the inlet air duct assembly on to the air cleaner assembly
  4. Tighten the clamps on both the inlet and outlet duct of the air cleaner assembly .
  5. Connect the MAF sensor electrical connector, if equipped.