GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2005 🢒 Park Avenue 🢒 Engine 🢒 Engine Mechanical - 3.8L 🢒 Drive Belt Idler Pulley Replacement

Drive Belt Idler Pulley Replacement Upper

Removal Procedure
  1. Remove the drive belt. Refer to Drive Belt Replacement .

    2. Object Number: 370453 Size: SH
  2. Remove the drive belt idler pulley bolt.
  3. Remove the drive belt idler pulley.

Installation Procedure

    Object Number: 370453 Size: SH
  1. Install the drive belt idler pulley.

    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 drive belt idler pulley bolt.

    3. Tighten
    Tighten the drive belt idler pulley bolt to 50 N·m (37 lb ft).

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

Drive Belt Idler Pulley Replacement Lower

Removal Procedure
  1. Remove the supercharger drive belt. Refer to Drive Belt Replacement .

    2. Object Number: 327164 Size: SH
  2. Remove the drive belt idler pulley bolt.
  3. Remove the drive belt idler pulley.

Installation Procedure

    Object Number: 327164 Size: SH
  1. Install the drive belt idler pulley.

    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 drive belt idler pulley bolt.

    3. Tighten
    Tighten the drive belt idler pulley bolt to 50 N·m (37 lb ft).

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