GMC chervolet camaro 1999 Service Manual page 871

6-88 Engine Mechanical - 3.8 L
190567
40071
154517
Engine
8. Remove the valve stem oil seal.
9. Inspect the valve spring for bent, cracked or
broken parts. Replace it if damaged. Refer to (
Cylinder Head Clean and Inspect.
Installation Procedure
Tools Required
• J 42863 Valve Seal Installer
• J 38606 Valve Spring Compressor
• J 23590 Spark Plug Port Adapter
Important: The color of the replacement seal may not
be the same color as the original seal. Install the
seals in their correct location based on GM part and
package description. Ensure that the seal is fully
seated on the valve guide.
1. Place the valve stem oil seal over the valve s1em
so the seal begins to contact the valve guide.
Important: Use hand pressure only when installing
the valve seal using J 42863. Using to much force may
cause damage to the oil seal and possibly lead to
excessive oil consumption.
2. Using J 41512 push the valve stem oil seal over
the vavle guide.
3. Install the J 38606 on the valve spring.
(