1999 Volvo Penta "WT" Models Workshop Manual, Page 92Get this manual
Camshaft Bearings _ Removal
Camshaft bearings can be replaced while the engine is disassembled for overhaul, or without complete disassembly of the engine after camshaft and flywheel have been removedOperation is easier if crankshaft is also removedSee Crankshaft in this
section1With camshaft and flywheel removed, drive out expansion plug for rear cam bearing by driving from inside
2Position bearing pilot in inner bearingInstall nut on puller screw far enough so puller screw can be threaded into pilot while nut extends out front of block3Install remover section onto puller screw, and then install screw through cam bore and thread it into pilot