GM Service Manual Online
For 1990-2009 cars only

Special Tools

    • J 38823 Water Pump Pulley Installer
    • J 44212 Camshaft Holding Tool

For equivalent regional tools, refer to Special Tools.


    Object Number: 650538  Size: SH
  1. Remove the J 44212 tool from the left cylinder head camshafts.

  2. Object Number: 522716  Size: SH
  3. Ensure new camshaft cover seals are installed.
  4. Place the camshaft cover in position on the cylinder head.

  5. Object Number: 609682  Size: SH
  6. Insert the intake camshaft end through the hole in the end of the camshaft cover.

  7. Object Number: 609683  Size: SH
  8. Using your fingers, guide the camshaft cover up over the edge of the cylinder head. Be careful not to damage the exposed section of the camshaft cover seal on the edge of the cylinder head.

  9. Object Number: 609685  Size: SH
  10. Work the camshaft cover into position by pivoting the cover down and to the left allowing the cover to clear the camshaft drive chain and then aligning the bolt holes.
  11. Install the NEW camshaft cover bolt grommets prior to installing the camshaft cover bolts.
  12. Caution: Refer to Fastener Caution in the Preface section.

  13. Install the camshaft cover bolts and tighten to 10 N·m (89 lb in).

  14. Object Number: 1207147  Size: SH
  15. Install a new camshaft seal as follows:
  16. 9.1. Lubricate the lips of the camshaft seal with engine oil.
    9.2. Push the camshaft seal into position around the intake camshaft using the protective sleeve supplied with the seal.

    Object Number: 1207146  Size: SH
  17. Coat the seal screws with sealant, GM P/N 1052080, (Canadian P/N 10953480), or equivalent.
  18. Install the screws. Tighten the camshaft cover seal screws to 3 N·m (27 lb in).

  19. Object Number: 1207161  Size: SH
  20. Place the water pump drive pulley in position on the intake camshaft.

  21. Object Number: 52985  Size: SH
  22. Install the water pump pulley on the intake camshaft using the J 38823 installer . During installation, the tool will bottom out on the camshaft at the proper depth.

  23. Object Number: 1207144  Size: SH
  24. Install the camshaft end cap in the camshaft. Tighten the camshaft end cap to 2 N·m (18 lb in).

  25. Object Number: 1207136  Size: SH
  26. Install the left ignition coil ground strap to the left cylinder head and left camshaft cover.
  27. Install the left cylinder head ignition coil ground strap bolt and tighten to 25 N·m (18 lb ft).
  28. Install the left camshaft cover ignition coil ground strap bolt and tighten to 10 N·m (89 lb in).