GM Service Manual Online
For 1990-2009 cars only

Tools Required

    • J 8062 Valve Spring Compressor
    • J 36017 Valve Seal Remover
    • J 43963 Valve Spring Compressor (off car)

    Object Number: 1769813  Size: SH
  1. Remove the intake camshaft position sensor and bolt.

  2. Object Number: 1825057  Size: SH

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

  3. Using the J 8062 and the J 43963 , compress the valve spring.
  4. Remove the valve keys.
  5. Slowly release the J 8062 and the J 43963 from the valve spring assembly.
  6. Remove the retainer.

  7. Object Number: 1825067  Size: SH
  8. Remove the spring.

  9. Object Number: 1825068  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.

  10. Using the J 36017 , remove the valve seal. Do not reuse the valve seal.

  11. Object Number: 1825069  Size: SH
  12. Remove the valve.
  13. Remove the remaining valves.

  14. Object Number: 1825071  Size: SH
  15. Remove the cylinder head plugs.