Tools Required

J 38606  Valve Spring Compressor

Fig 1: Compressing Valve Spring
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: During disassembly, ensure the valve train components are kept together and identified so they can be reinstalled in their original locations and with the same mating surfaces as when removed.
1. Use J 38606  to compress the valve spring.
Fig 2: Identifying Valve Components
Courtesy of GENERAL MOTORS CORP.
2. Remove the valve keys.
3. Remove the valve cap and spring.
4. Remove the valve stem oil seal by prying up on the bottom.