GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 157833  Size: SH
  1. Disconnect the intake air temperature (IAT) sensor electrical connector.

  2. Object Number: 157835  Size: SH
  3. Remove the one bolt and the wing nut from the air cleaner (ACL).
  4. Disconnect the PCV hose from the ACL.
  5. Loosen the clamp at the air inlet snorkel.
  6. Remove the ACL from the throttle body fuel injection unit.

Installation Procedure


    Object Number: 157835  Size: SH
  1. Insert the ACL snorkel into the air inlet duct and secure with the clamp.
  2. Connect the PCV hose to the ACL.
  3. Install the ACL to the throttle body fuel injection unit.
  4. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.

  5. Secure the ACL with the one bolt.
  6. Tighten
    Tighten the ACL bracket bolt to 10 N·m (89 lb in).

  7. Install the wing nut and hand tighten.

  8. Object Number: 157833  Size: SH
  9. Connect the IAT sensor electrical connector.