1999 Volvo Penta "WT" Models Workshop Manual, Page 250Get this manual
Valve Rocker Arm and Push Rod Installation _
Important
valve lifters
If new camshaft is installed, replace all the
Install or Connect:
1Coat the valve lifter rollers and inside of the valve lifter guides
with GM Engine Oil Supplement, PiN 1052367, or equivalent
2Valve lifters in the same location from which they were removed
DRC6916