GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 678804  Size: SH
  1. Remove the accessory drive belt. Refer to Drive Belt Replacement - Accessory.
  2. Remove the drive belt idler pulley and bolt.

Installation Procedure


    Object Number: 678804  Size: SH
  1. Install the drive belt idler pulley and bolt to the generator bracket.
  2. Snug the bolt finger tight.

    Caution: Refer to Fastener Caution in the Preface section.

  3. Install the drive belt. Refer to Drive Belt Replacement - Accessory.
  4. Tighten the drive belt idler pulley bolt to 50 N·m (37 lb ft).