GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1640795  Size: SH
  1. Remove the drive belt. Refer to Drive Belt Replacement .
  2. Remove the appropriate drive belt idler pulley bolt.
  3. Remove the appropriate drive belt idler pulley.

Installation Procedure


    Object Number: 1640795  Size: SH
  1. Position the appropriate drive belt idler pulley to either the generator bracket or the engine front cover.
  2. Notice: Refer to Fastener Notice in the Preface section.

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

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