1999 Volvo Penta "WT" Models Workshop Manual, Page 84Get this manual
7Check valve lifters for free fit in blockThe end that contacts the camshaft should be smoothIf this surface is worn or rough, the lifter should be replacedIf lifter is damaged, check the corresponding camshaft lobe for damageRepair
[]] 1Valve Guide Bore: Valves with oversize stems are available for inlet and exhaust valves in the following sizes: 0.0003 in 0.015 in and 0.030 inUse the 12 indiameter reamer sizes from reamer tool set J-5830-02 which are: J-4822 standard; J-5830-1, 0.003 in oversize, J-5830-2, 0.015 inoversize and J-5830-3, 0.030 inoversize to ream the bores for the new valves
2Rocker Arm Studs
Rocker arm studs that have damaged threads may be replaced with standard studsIf the studs are loose in the head, oversize studs (available in .003 inor .013 inoversize) may be installed after reaming the holes as follows:
INote Do
stud hole