GM Service Manual Online
For 1990-2009 cars only

Tools Required

J 38606 Valve Spring Compressor


    Object Number: 366522  Size: SH

    Important: Ensure that the valve train components are marked organized, or sorted when disassembling the cylinder head. Install the valve train components in the original location from which they were removed.

  1. Remove the spark plugs.
  2. 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.


    Object Number: 54421  Size: SH
  3. Compress the valve springs. Use the J 38606 .

  4. Object Number: 54389  Size: SH
  5. Remove the valve spring cap keys.
  6. Remove the valve spring caps.
  7. Remove the valve springs.
  8. Remove the valves.
  9. Remove the valve stem oil seals and spring seats as an assembly.