
SHOP MANUAL MT26-31 - 06.2005
Engine
Tier-3 710655-
Ch 1 page 4
Cooling system .................................................................................. 127
View of the cooling system........................................................................................................127
Circulation .................................................................................................................................128
View of the radiator system.......................................................................................................128
Disassemble the cooling unit ....................................................................................................129
Thermostat and thermostat housing .........................................................................................131
Thermostat................................................................................................................................132
Coolant pump............................................................................................................................133
External cleaning ......................................................................................................................137
Internal cleaning........................................................................................................................137
Specifications..................................................................................... 138
General information...................................................................................................................138
Cylinder head............................................................................................................................140
Turbocharger ............................................................................................................................142
Pistons and cylinder liners ........................................................................................................142
Connecting rods........................................................................................................................143
Flywheel and flywheel housing .................................................................................................143
Timing gear ...............................................................................................................................144
Lubrication system ...................................................................................................................145
Troubleshooting tables ..................................................................... 146
White smoke .............................................................................................................................146
White smoke, water vapour.......................................................................................................146
Black smoke when running/under load .....................................................................................147
Black smoke on starting ............................................................................................................148
Blue smoke ...............................................................................................................................148
Fuel in the oil.............................................................................................................................148
Oil in coolant ............................................................................................................................149
Coolant/water in oil ...................................................................................................................150
Low oil pressure........................................................................................................................151
High oil pressure (Engine warmed up)......................................................................................153
Abnormal wear (liner, piston rings, etc.)....................................................................................153
Vibration, no driven components engaged................................................................................154
Delivery pipe fractures ..............................................................................................................155
External corrosion on cylinder liner ...........................................................................................155
Engine difficult to start...............................................................................................................155
Fluid stroke................................................................................................................................156
Knocking noise..........................................................................................................................156
High oil consumption.................................................................................................................158
High fuel consumption...............................................................................................................159
Low compression ......................................................................................................................159
Low engine output.....................................................................................................................159
Hot engine.................................................................................................................................161
Cold engine...............................................................................................................................162
Coolant loss ..............................................................................................................................162
Polluted coolant.........................................................................................................................162
Engine heater............................................................................................................................163
High oil temperature..................................................................................................................163
High exhaust temperature.........................................................................................................164
Low charge air pressure............................................................................................................164
Low fuel pressure......................................................................................................................165
Low system voltage...................................................................................................................165
High system voltage..................................................................................................................165
External oil leakage...................................................................................................................166
External fuel leakage ................................................................................................................166
External coolant leakage...........................................................................................................167
Oil pressed out via crankcase ventilation..................................................................................167
Turbocharger breakdown ..........................................................................................................167