GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 338506  Size: SH
  1. Remove the drive belt. Refer to Drive Belt Replacement .
  2. Remove the drive belt idler pulley bolt.
  3. Remove the drive belt idler pulley from the power steering pump mounting bracket.

Installation Procedure

    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.


    Object Number: 338506  Size: SH
  1. Install the drive belt idler pulley and bolt to the power steering pump mounting bracket.
  2. Tighten
    Tighten the bolt to 50 N·m (37 lb ft).

  3. Install the drive belt. Refer to Drive Belt Replacement .