GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 1999 🢒 Express 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Air Cleaner Assembly Replacement

Removal Procedure

    Object Number: 308967 Size: SH
  1. Loosen the air cleaner duct clamp at MAF sensor.
  2. Remove the air cleaner assembly bolts.
  3. Remove the air cleaner assembly.

Installation Procedure

    Object Number: 308967 Size: SH
  1. Install air cleaner assembly

    2. 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.

  2. Install the air cleaner assembly bolts.

    3. Tighten
    Tighten the bolt to 18 N·m (13 lb ft).

    Notice: 

       • Handle the MAF sensor carefully.
       • Do not drop the MAF sensor in order to prevent damage to the MAF sensor.
       • Do not damage the screen located on the air inlet end of the MAF.
       • Do not touch the sensing elements.
       • Do not allow solvents and lubricants to come in contact with the sensing elements.
       • Use a small amount of a soap based solution in order to aid in the installation.

  3. Install air cleaner duct to MAF sensor.