GM Service Manual Online
For 1990-2009 cars only

Important: Install the cam gears on the camshaft alignment pins in the correct, numbered (1, 2, 3, alignment slot on the camshaft gear.


    Object Number: 159005  Size: SH
  1. Install the camshaft gear.

  2. Object Number: 159009  Size: SH

    Important: Use a new camshaft gear bolt. The required tightening method will stretch the bolt, therefore the bolt is not reusable.

  3. Install the camshaft gear bolt.
  4. Tighten

        • Use the relevant J 42069-1 and/or the J 42069-2 Camshaft Gear Locking Tools to hold the camshaft gear and the camshaft in place while tightening the camshaft gear bolt.
        • Tighten the camshaft gear bolt to 50 N·m (37 lb ft) + 60 degrees + 15 degrees.