Cylinder Head Disassemble

Tools Required 

J 8062  Valve Spring Compressor. See Special Tools .

Fig 1: Compressing Valve Springs
Courtesy of GENERAL MOTORS CORP.
CAUTION: Compressed valve springs have high tension against the valve spring compressor. Valve springs that are not properly compressed by or released from the valve spring compressor can be ejected from the valve spring compressor with intense force. Use care when compressing or releasing the valve spring with the valve spring compressor and when removing or installing the valve stem keys. Failing to use care may cause personal injury.
CAUTION: Refer to SAFETY GLASSES CAUTION .
1. Use the J 8062  in order to compress the valve springs. See Special Tools .
Fig 2: Identifying Valve Components
Courtesy of GENERAL MOTORS CORP.
IMPORTANT: Mark, sort, and organize the components so that the components can be reinstalled in their original location and position.
2. Remove the valve stem keys (1).
3. Remove the J 8062  from the cylinder head. See Special Tools .
4. Remove the valve spring cap (2).
5. Remove the valve spring (3).
6. Remove the valve stem oil seal (4).
7. Discard the valve stem oil seal.
8. Remove the valve.