Assembly - Mercury MerCruiser D2.8L D-Tronic Service Manual

ENGINE MECHANICAL

Assembly

VALVES
NOTE: Valve stem seals are used on intake and exhaust valves.
1. Lubricate valve guides and valve stems with clean SAE 30W engine oil.
2. Install each valve in the port from which it was removed or to which it was fitted.
3. Install valve guide seals over valve stem and push down on the seal until seated
securely around top of guide.
NOTE: Grease may be used to hold keepers in place while releasing compressor tool.
4. Install plate washer, valve spring, and retainer on valve stem. Using valve spring
compressor tool, carefully compress spring and insert keepers into valve stem groove.
5. Release compressor tool, making sure keepers seat properly in groove of valve stem.
Page 3A-52
a - Valve Stem Seal
b - Seal Installed On Guide
a
b
a - Plate Washer
b - Valve Spring
c - Retainer
d - Keepers
a
b
c
SERVICE MANUAL NUMBER 22
75386
d
90-860074--1 FEBRUARY 2002
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