ISUZU 6WF1-TC Engine Disassembly Instructions

This article explains how to disassemble the ISUZU 6WF1-TC Engine

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·Attach wires securely to the engine,and hoist it.
·Do not position yourself underneath the engine while it is being hoisted.
·Never put your hands where they may be pinched or sandwiched.
·The engine is heavy so proceed with the work with all due care.
1.Battery cable
Disconnect the battery cable from the negative terminal (1).






2.Exhaust pipe

3. Transmission assembly For details on removing or installing the transmission assembly, refer to the chapter entitled
"Removing or installing the transmission."






4.Drain off the cooling water.
Drain off the cooling water from the drain plug of the radiator and drain plug of the engine.




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5.Inter-cooler hose




6.Radiator hoses

Disconnect the harness attached to the upper hose.At this time,remove the harness bracket attached to the radiator as well before proceeding. Disconnect the air purging hose,upper hose and lower hose






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7emove the bolt for the oil level gauge attached to the radiator assembly,and put it to one side so that it will not get in the way.


8.Oil filler pipe Disengage the clip of the heater hose attached to the oil filler pipe,and remove the oil filer pipe.


9.Side noise cover


10.Air cleaner assembly


10 .Disconnect the air duct and connector,and remove the air cleaner together with the bracket.


11.Exhaust pipe front and exhaust brake

Remove the heat protector,and remove the exhaust pipe front and exhaust brake.






12.Exhaust pipe front and exhaust brake

Remove the heat protector(2)and then the exhaust pipe front (1)and exhaust brake (3).


13.Cab back member

Remove the cab back member noise cover (2).

Remove the oil tank(1)of the power steering pump.
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14.A/C compresso

Remove the belt for the A/C compressor and

harness connectors.

Remove the four A/C compressor mounting bolts and the gas pipe clip,and put the A/ C compressor to one side so that it will not get in the way.

At this point in time,do not disconnect the gas pipe from the A/C compressor

15.Generator wires

16.Starter wires

17.Dual thermo sensor connector

18.Oil pressure sensor connector

19.Engine harness connector

Disconnect the connectors.







20.Sub tank hose

Disconnect the air purging hose and charge pipe.


21.EGR valve air hose


Disconnect EGR valve air hose.

22.Air cylinder hose

Disconnect the air cylinder hose.

23.Air compressor hose

Disconnect the air compressor hose.

24.Power steering pump

Remove the two mounting bolts,and remove the power steering pump.

Do not remove the oil pipe of the power steering pump at this point in time.

Release the oil pipe of the power steering pump, and put the power steering pump with oil pipe attached to one side.

25.Engine speed sensor connector

26.Shift selector rod






27.Ground wire

Cut the connection between the starter ground and

frame ground (1)






28.Fuel hose

Cut the connection between IN and OUT of the

fuel hose.At this point in time,drain the fuel filter

as well.


29.Engine mounting

Install the engine hangers from the right to front and from the left to rear,attach wires securely,and cut the engine mounting connections.

30.Engine assembly

Hoist the engine slowly,and remove it.Do this work while taking care to avoid interference with other parts.

Never position yourself underneath the engine when it is being hoisted