GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 8062 Valve Spring Compressor
    • J 36017 Valve Guide Seal Remover

    Object Number: 33598  Size: SH
  1. Remove the coolant outlet.
  2. Remove the O-ring.
  3. Remove valve train components.

  4. Object Number: 63644  Size: SH

    Important: Ensure that the valve train components are kept together and identified in order for proper re-installation in their original position.

  5. Compress the valve spring, using the J 8062 .

  6. Object Number: 33711  Size: SH
  7. Remove the valve keys.
  8. Slowly release the J 8062 from the valve spring assembly.
  9. Remove the valve retainer.
  10. Remove the valve spring.
  11. Remove the valve spring seat (exhaust only).

  12. Object Number: 33712  Size: SH

    Notice: Do not damage the valve guide. Remove any burrs that have formed at the key groove by chamfering the valve stem with an oil stone or a file.

  13. Remove the valve seal, using the J 36017 .
  14. Remove the valve rotator (intake only).
  15. Remove the valve.
  16. Remove the remaining valves.