GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Silverado - 4WD 🢒 Engine 🢒 Engine Mechanical - 4.3L 🢒 Drive Belt Idler Pulley Replacement - Right Side

Removal Procedure

    Object Number: 781979 Size: SH
  1. Loosen the idler pulley bolt.
  2. Remove the drive belt. Refer to Drive Belt Replacement.
  3. Remove the idler pulley.

Installation Procedure

    Object Number: 781979 Size: SH
  1. Install the idler pulley.
  2. Install the idler pulley bolt until snug.
  3. Install the drive belt. Refer to Drive Belt Replacement.

    4. 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.

  4. Tighten the idler pulley bolt.

    5. Tighten
    Tighten the bolt to 50 N·m (37 lb ft).