GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 256045  Size: SH
  1. Remove the engine cover. Refer to Engine Cover Replacement in Interior Trim.
  2. Loosen the clamp holding the air intake duct to the throttle body.
  3. Remove the air intake duct from the throttle body assembly.
  4. Loosen the air intake duct from the air cleaner assembly.
  5. Remove the air intake duct.

Installation Procedure

  1. Install the air intake duct to air cleaner assembly.

  2. Object Number: 256045  Size: SH
  3. Install the air intake duct on the throttle body assembly and tighten the clamp.
  4. Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.