J2000/Sunbird V6-191 3.1L VIN T MFI (1994)
Valve Guide Seal: Service and Repair
REMOVAL
1.
Remove rocker arm cover, then the spark plug, rocker arm and pushrod on cylinder(s) being serviced.
2.
Install air line adapter tool No. J-22794 or equivalent to spark plug port and apply compressed air to hold valves in place.
3.
Using valve spring compressor tool No. J-26513-A or equivalent to compress valve spring, remove valve locks, valve caps, oil seal and valve
spring and damper.
4.
Remove valve stem oil seal.
INSTALLATION
1.
Set valve spring and damper around valve guide boss.
2.
Install a valve stem seal over the valve stem and valve guide base-inlet only.
3.
Drop an oil seal and valve rotator over the exhaust, and a valve spring cap over the valve spring.
4.
Compress spring using valve spring compressor tool No. J-26513-A or equivalent, install oil seal in lower groove of stem, ensuring seal is flat and
not twisted.
5.
Install valve locks and release compressor tool, ensuring locks seat properly in upper groove of valve stem. Use suitable grease as necessary to
hold locks in place while releasing compressor tool.
6.
Using tool J-23994 or equivalent, apply vacuum to valve cap to ensure no air leaks past seal.
7.
Install spark plug, torquing to specifications.
8.
Install and adjust valve mechanism.
