GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls-4.3L.

  2. Object Number: 48314  Size: SH
  3. Remove the upper fan shroud bolts.
  4. Remove the upper fan shroud.

Installation Procedure


    Object Number: 48314  Size: SH
  1. Install the upper fan shroud.
  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.

  3. Install the upper shroud bolts.
  4. Tighten
    Tighten the upper fan shroud bolts to 15 N·m (11 lb ft).

  5. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement in Engine Controls-4.3L.