GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2002 🢒 Savana 🢒 Engine 🢒 Engine Electrical 🢒 Drive Belt Idler Pulley Replacement

Removal Procedure

    Object Number: 391682 Size: SH
  1. Remove the drive belt from the pulleys. Refer to Drive Belt Replacement .
  2. If not A/C equipped, remove the idler pulley from the engine lift bracket.

    3. Object Number: 520117 Size: SH
  3. Remove the drive belt idler pulley for vehicles equipped with the auxiliary generator.

Installation Procedure

    Object Number: 391682 Size: SH

    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.

  1. If non A/C equipped, Install the idler pulley to the engine lift bracket.

    2. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).


    Object Number: 520117 Size: SH
  2. Install the drive belt idler pulley for vehicles equipped with the auxiliary generator.

    3. Tighten
    Tighten the bolts to 50 N·m (37 lb ft).

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