GM Service Manual Online
For 1990-2009 cars only

    Object Number: 1866954  Size: SH
  1. Ensure that the crankshaft is in the stage 2 timing drive assembly position (1).

  2. Object Number: 1853223  Size: SH
  3. Install the right secondary camshaft drive chain.

  4. Object Number: 1853247  Size: SH
  5. Place the secondary camshaft drive chain around the right camshaft intermediate drive chain idler outer sprocket, aligning the timing camshaft drive chain link (1) with the alignment access hole (2) made in the right camshaft intermediate drive chain idler inner sprocket.

  6. Object Number: 1853249  Size: SH
  7. Wrap the secondary camshaft drive chain around both right actuator drive sprockets.
  8. Ensure there are 10 links (1) between the timing camshaft drive chain links for the camshaft position actuator sprockets.

  9. Object Number: 1853250  Size: SH
  10. Align the right exhaust camshaft position actuator sprocket alignment triangle mark (1) with the timing camshaft drive chain link (2).

  11. Object Number: 1853252  Size: SH
  12. Align the right intake camshaft position actuator sprocket alignment triangle mark (2) with the timing camshaft drive chain link (1).

  13. Object Number: 1853254  Size: SH
  14. There will be 22 links (1) between the right camshaft intermediate drive chain idler timing camshaft drive chain link and each right camshaft position actuator sprocket timing camshaft drive chain link.