Volvo

Workshop Manual

Engine unit

A
2(0)

MD11C, D, MD17C, D

Contents
Safety precautions ............................................................................................................. 2 General Information .......................................................................................................... 5 Repair instructions............................................................................................................ 6 Component guide .............................................................................................................. 8 DISMANTLING Cylinder head ..................................................................................................................... 10 Cylinder liner...................................................................................................................... 11 Pistons, con-rods .............................................................................................................. 11 Timing gear ........................................................................................................................ 12 Flywheel............................................................................................................................. 13 Crankshaft ......................................................................................................................... 14 Camshaft ........................................................................................................................... 14 OVERHAULING Dismantlingcylinder head ................................................................................................. 15 Cleaning, inspection .......................................................................................................... 15 Valve guides ...................................................................................................................... 15 Valve seats........................................................................................................................ 16 Valves ................................................................................................................................ 16 Valve springs ..................................................................................................................... 16 Rockermechanism ........................................................................................................... 16 Valve tappets .................................................................................................................... 16 Injector sleeve ................................................................................................................... 17 Injector............................................................................................................................... 17 Assembling cylinder head ................................................................................................. 18 Cleaning, checking crankcase .......................................................................................... 18 Replacing mainbearings ................................................................................................... 18 Centrifugal governor .......................................................................................................... 19 Pistons, liners .................................................................................................................... 19 Connecting rods................................................................................................................. 20 Crankshaft ......................................................................................................................... 20 Camshaft ........................................................................................................................... 20 Oil pump...