GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 1999 🢒 GMC C-Series Medium Duty Truck B7 🢒 Engine 🢒 Engine Cooling 🢒 Drive Belt Tensioner Replacement

Removal Procedure

    Important: Movement of the drive belt tensioner while the engine is operating is a normal operating condition.

  1. Remove the drive belt.

    2. Refer to Drive Belt Replacement .


    Object Number: 43854 Size: SH
  2. Remove the bolt.
  3. Remove the tensioner.

Installation Procedure

    Object Number: 43854 Size: SH
  1. Install the drive belt tensioner assembly.

    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 attaching bolt.

    3. Tighten
    Tighten the tensioner assembly bolt to 50 N·m (37 lb ft).

  3. Install the drive belt.

    4. Refer to Drive Belt Replacement .