GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 953977  Size: SH
  1. Remove the camshaft cover. Refer to Camshaft Cover Replacement.
  2. Remove the upper timing chain guide bolts.
  3. 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.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the upper timing chain guide bolts and tighten to 10 N·m (89 lb in).
  5. Install the camshaft cover. Refer to Camshaft Cover Replacement.