GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 8062 /SA9124E Valve Spring Compressor
    • J 36017 /SA9102E-A Valve Guide Seal Remover
    • J 43963 Valve Spring Compressor Adapter

    Object Number: 412474  Size: SH

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

  1. Using the J 8062 /SA9124E and the J 43963 , compress the valve spring.
  2. Remove the valve keys.
  3. Slowly release the J 8062 /SA9124E and the J 43963 from the valve spring assembly.
  4. Remove the retainer.

  5. Object Number: 412475  Size: SH
  6. Remove the spring.

  7. Object Number: 412476  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.

  8. Remove the valve seal. Use the J 36017 /SA9102E-A . Do not reuse.

  9. Object Number: 412477  Size: SH
  10. Remove the valve.
  11. Remove the remaining valves.

  12. Object Number: 412478  Size: SH
  13. Remove the cylinder head plugs.