Diesel engine overhaul Mitsubishi Colt 4 and 5

This chapter describes the repair procedures for the 4th and 5th generation Mitsubishi Colt diesel engine manufactured from 1991 to 2004 only. For more information on engine repairs, please refer to "Gasoline Engine Overhaul".

Engine — removal and installation
The operations for removing and installing a diesel engine are similar to those given for petrol 8- and 12-valve engines .

Front elements of diesel engine
Front elements of diesel engine 1 - flange; 2 - crankshaft pulley; 3 - Upper toothed belt cover; 4 - lower cover of the toothed belt; 3 - toothed belt; 6 - bushing; 7 -...

Cylinder head components
Cylinder head components 1 - crackers; 2 - spring plate; 3 - valve spring; 4 - support washer; 3 - inlet valve; 6 - exhaust valve; 7 - oil seal; 8 - Inlet valve guide...

Disassembly and assembly of a diesel engine
Disassembly Drain the oil from the engine (if it has not been drained). Remove all attachments. Remove the clutch. When unscrewing the mounting bolts, secure the...

Cylinder head — assembly and installation
Diesel engine cylinder head components I - gland; 2 - camshaft; 3 - Front camshaft bearing cover; 4 - rocker arm axle spring; 5 - nut; 6 - rocker arm axis; 7 - rocker...

Valve clearances — adjustment
The clearances in the valve drive mechanism are adjusted on a cold engine. The clearance between the valve end and the rocker arm adjusting screw on a cold engine should...

Crankshaft — repair features
The crankshaft has five bearings, the journals are sealed by two seals, one of which is installed in the cylinder block on the flywheel side, and the other in the...

Camshaft — Checking and Installing
Camshaft and high pressure fuel pump drive 1 - camshaft gear; 2 - installation mark; 3 - crankshaft wheel; 4 - installation mark; 3 - fuel injection pump wheel; 6 -...

Balance shaft and camshaft drive belts — installation
Balance shaft drive 1 - flange; 2 - toothed belt; 3 - balance shaft gear; 4 - spacer sleeve; 5 - crankshaft gear; 6 - tensioner. The valve timing components can be...

Balance shafts — removal and installation
Mounting elements of balance shafts 1 - right balance shaft; 2 - gasket; oil pump; 3 - left balance shaft; 4 - oil pump oil seal; 5 - front crankshaft oil seal; 6 -...

Starting the engine of cars with diesel engines
Insert the key into the ignition. Set the gear shift lever to neutral position "N". Press the clutch pedal all the way down. Turn the ignition key to the ON position....

Possible malfunctions when starting a diesel engine
Although experienced diesel mechanics can often pinpoint the cause of a problem immediately, those without such experience are advised not to guess. There are many...

Possible malfunctions of a running diesel engine
There are many faults that prevent the engine from starting, but many more faults cause it to run poorly. Again, don't assume. Use a methodical and systematic approach...

Diagnostics of diesel engine operation by smoke and emissions
As environmental laws become more stringent and the operation of engines that produce too many toxic substances becomes more and more problematic, more and more...

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Similar materials for other Mitsubishi models

➤ Power unit: Diesel engine Mitsubishi L200 4 (2005-2014, diesel)
➤ Power unit: Diesel engines Mitsubishi Pajero 1 and 2 (1982-1999)

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