GM Service Manual Online
For 1990-2009 cars only

Camshaft Sprocket Installation LLU

Special Tools

EN-45059 Angle Sensor Kit

For equivalent regional tools, refer to Special Tools.


    Object Number: 2188669  Size: SH

    Note: 2 mechanics are required.

  1. Install the 2 camshaft sprockets (3).
  2. Install the 2 camshaft sprocket washer (2) and the 2 camshaft sprocket bolts (1).
  3. Tighten the bolts in two passes.
  4. Hold at the appropriate camshaft hexagon.

    Caution: Refer to Fastener Caution in the Preface section.

    3.1. First pass tighten to 50 N·m(37 lb ft).
    3.2. Second pass to 60° + 15° using the EN-45059 sensor kit .