GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the camshaft cover. Refer to Camshaft Cover Replacement .

  2. Object Number: 953977  Size: SH
  3. Remove the upper timing chain guide bolts.
  4. Remove the upper timing chain guide from the cylinder head.

Installation Procedure


    Object Number: 953977  Size: SH
  1. Position the upper timing chain guide to the cylinder head.
  2. Apply threadlock to the upper timing chain guide bolt threads. Refer to Adhesives, Fluids, Lubricants, and Sealers for the correct part number.
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the upper timing chain guide bolts.
  5. Tighten
    Tighten the upper timing chain guide bolts to 10 N·m (89 lb in).

  6. Install the camshaft cover. Refer to Camshaft Cover Replacement .