GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1961687  Size: SH
  1. Make sure that the left camshaft intermediate drive chain idler (1) is being installed. The recessed hub (2) and the larger sprocket of the left camshaft intermediate drive chain idler is installed outward. The raised hub and the smaller sprocket of the left camshaft intermediate drive chain idler is installed towards the cylinder block.

  2. Object Number: 1961689  Size: SH
  3. Install the left camshaft intermediate drive chain idler (2).
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the camshaft intermediate drive chain idler to cylinder block retaining bolt (1).
  6. Tighten
    Tighten the bolt to 58 N·m (43 lb ft).