Cylinder Head Disassemble

Tools Required

• J 8062  Valve Spring Compressor. See Special Tools .
• J 36017  Valve Guide Seal Remover. See Special Tools .
• J 43963  Valve Spring Compressor Adapter. See Special Tools .

Fig 1: Identifying Cylinder Head Air Bleed Tube
Courtesy of GENERAL MOTORS CORP.
1. Remove the coolant air bleed hose fitting.
Fig 2: Identifying Valve Spring Retainers
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Ensure that the valve train components are kept together and identified in order for proper re-installation in their original position.
2. Using the J 8062  and the J 43963  , compress the valve spring. See Special Tools .
3. Remove the valve keys.
4. Slowly release the J 8062  and the J 43963  from the valve spring assembly. See Special Tools .
5. Remove the retainer.
Fig 3: View Of Valve Springs
Courtesy of GENERAL MOTORS CORP.
6. Remove the spring.
Fig 4: View Of Valve Seals
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. Use the J 36017  . See Special Tools . Do not reuse.
Fig 5: Identifying Engine Valves
Courtesy of GENERAL MOTORS CORP.
8. Remove the valve.
9. Remove the remaining valves.
Fig 6: View Of Cylinder Head Plugs
Courtesy of GENERAL MOTORS CORP.
10. Remove the cylinder head plugs.