GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 8062 Valve Spring Compressor
    • J 41774 Valve Spring Compressor Adapter
    • J 41775 Valve Seal Installer
  1. Coat the valve stem with engine oil.
  2. Insert the valve stem into the guide.
  3. Install the valve spring seat.

  4. Object Number: 217404  Size: MH
  5. Use the J 41775 to insert the valve seal (1).
  6. Install the valve spring.
  7. Install the cap on the valve stem.
  8. Use the J 8062 and the J 41774 to compress the valve spring.
  9. Perform the following steps to install the valve stem keys:
  10. 8.1. Use a light grease to hold the keys in place.
    8.2. Remove the J 8062 and the J 41774 .
    8.3. Seat the valve stem keys in the upper groove of the valve stem.
  11. Install the lifter.
  12. Repeat the above sequence for the remaining valves.