GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 8062 Valve Spring Compressor - Head Off


    Object Number: 260151  Size: SH

    Important: 

       • With the components at room temperature, remove the spark plugs from the cylinder head.
       • Mark, organize, or sort the cylinder head components for assembly. Return the components to their original location during assembly.

  1. Remove the spark plugs from the cylinder heads.
  2. Use the J 8062 in order to compress the valve spring.

  3. Object Number: 1559870  Size: SH
  4. Remove the valve stem keys (225).
  5. Remove the valve spring cap (224).
  6. Remove the valve spring (223).
  7. Remove the valves (228).
  8. Remove the valve stem oil seal (222). Refer to Separating Parts .

  9. Object Number: 1559873  Size: SH
  10. Remove the cylinder head core hole plugs (216), as required.

  11. Object Number: 1559875  Size: SH
  12. Remove the coolant temperature sensor (725) from the left cylinder head.

  13. Object Number: 1559878  Size: SH
  14. Remove the cylinder head plug (229) from the right cylinder head.