Cylinder Head Disassemble

Tools Required

• J 8062  Valve Spring Compressor
• J 43184  Valve Spring Compressor Adaptor

CAUTION: Refer to Safety Glasses Caution in Cautions and Notices.
IMPORTANT: Ensure that the valve train components are kept together and identified in order for proper re-installation in their original position.
Fig 1: Compressing Valve Spring
Courtesy of GENERAL MOTORS CORP.
1. Compress the valve spring. Use the J 8062  .
Fig 2: Removing Valve Keepers
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2. Remove the valve keepers. Use the J 43184  (2).
Fig 3: Valve Spring Compressor, Retainer, Spring And Spring Seats
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3. Slowly release the J 8062  from the valve spring assembly.
4. Remove the retainer (4).
5. Remove the spring (3).
6. Remove the spring seats (2).
Fig 4: Removing Any Burrs
Courtesy of GENERAL MOTORS CORP.
NOTE: 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.
7. Remove the valve seal.
8. Remove the valve.
9. Remove the remaining valve springs and valves.