GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1682175  Size: SH
  1. Coat the camshaft journals with clean engine oil.
  2. Coat the camshaft lobes with prelube GM P/N 12345501 (Canadian P/N 992704) or the equivalent.
  3. Install the camshaft using the following procedure:
  4. 3.1. Install a camshaft sprocket bolt into the camshaft. Tighten finger tight only.
    3.2. Carefully rotate the camshaft while installing the camshaft into the camshaft bearings.

    Object Number: 54981  Size: SH
  5. Install the camshaft thrust plate.
  6. Caution: Refer to Fastener Caution in the Preface section.

  7. Install the camshaft thrust plate screws and tighten to 10 N·m (89 lb in).

  8. Object Number: 909619  Size: SH
  9. Install the camshaft position sensor.
  10. Install the camshaft position sensor bolt and tighten to 10 N·m (89 lb in).