REMOVE ENGINE UNDER COVER
REMOVE CABLE FROM NEGATIVE BATTERY TERMINAL
DRAIN ENGINE OIL
Remove the oil filler cap sub-assembly.
Remove the drain plug and gasket from the oil pan and drain engine oil into a container.
Clean the drain plug.
Install the drain plug with a new gasket.
DRAIN ENGINE COOLANT
CAUTION:
Do not remove the radiator cap sub-assembly while the engine and radiator are still hot. Pressurized, hot engine coolant and steam may be released and cause serious burns.
Loosen the radiator drain cock plug and engine drain plug.
Remove the radiator cap, then drain the coolant.
Close the radiator drain cock plug.
Tighten the engine drain plug.
REMOVE ENGINE SIDE COVER SUB-ASSEMBLY LH
REMOVE ENGINE SIDE COVER SUB-ASSEMBLY RH
REMOVE RADIATOR RESERVE TANK ASSEMBLY
Remove the bolt and 3 nuts.
Remove the radiator reserve tank assembly.
REMOVE FENDER SIDE APRON SUB-ASSEMBLY LH
REMOVE FENDER SIDE APRON SUB-ASSEMBLY RH
REMOVE VACUUM RESERVOIR SUB-ASSEMBLY
REMOVE INJECTOR DRIVER ASSEMBLY
Separate the 2 injector driver connectors.
Separate the wire harness clamp and connector from the injector driver assembly.
Remove the 2 bolts and injector driver assembly.
REMOVE NO. 2 INTAKE PIPE
Remove the 3 bolts, loosen the 2 bands, and remove the No. 2 intake pipe.
REMOVE NO. 3 CAB MOUNTING BRACKET SUB-ASSEMBLY
Disconnect the connector. (w/ Cab tilt warning)
Remove the 4 nuts and air cleaner case.
Remove the 2 bolts and No. 1 air hose assembly.
Remove the 8 bolts and No. 3 cab mounting bracket.
REMOVE NO. 1 INTAKE AIR PIPE WITH NO. 4 AIR HOSE
Disconnect the hose band.
Remove the bolt.
Disconnect the turbo pressure sensor connector and wire harness clamp, and remove the bolt.
Disconnect the intake air temperature sensor connector.
Disconnect the hose band, and remove the No. 1 intake air pipe with No. 4 air hose.
REMOVE NO. 2 AIR HOSE
REMOVE INTERCOOLER ASSEMBLY
Remove the 4 bolts and intercooler assembly.
REMOVE FAN
Loosen the 4 nuts.
Remove the fan and generator V belt Click here.
Remove the 4 nuts and fan.
REMOVE FAN PULLEY
Remove the fan pulley.
DISCONNECT RADIATOR HOSE INLET
Disconnect the radiator hose inlet.
SEPARATE RADIATOR HOSE OUTLET
Remove the radiator hose outlet.
SEPARATE HEATER HOSE
Remove the 5 bolts and separate the heater hose.
SEPARATE NO. 4 RADIATOR BRACKET
Remove the 3 bolts and separate the No. 4 radiator bracket.
SEPARATE NO. 3 RADIATOR BRACKET
Remove the 3 bolts and separate the No. 3 radiator bracket.
REMOVE RADIATOR ASSEMBLY
Remove the radiator assembly with the fan shroud.
REMOVE GENERATOR ASSEMBLY
Remove the terminal cap and the nut, and disconnect the wire harness from terminal B.
Disconnect the connector from the generator.
Disconnect the 3 wire harness clamps.
Remove the 4 bolts, generator bracket and generator assembly.
REMOVE EXHAUST RETARDER ASSEMBLY
Disconnect the vacuum hose.
Remove the 4 bolts and exhaust retarder assembly.
Remove the 2 gaskets from the exhaust retarder assembly.
REMOVE FRONT EXHAUST PIPE ASSEMBLY
Remove the bolt.
Remove the 3 nuts and front exhaust pipe assembly.
Remove the gasket.
DISCONNECT FUEL HOSE
Disconnect the 2 fuel hoses.
DISCONNECT WIRE HARNESS
Disconnect the wire harness.
REMOVE EGR COOLER SUB-ASSEMBLY
Separate the water by-pass hose.
Remove the 6 bolts and EGR cooler.
REMOVE OIL FILLER CAP SUB-ASSEMBLY
Remove the oil filler cap sub-assembly.
REMOVE CYLINDER HEAD COVER SUB-ASSEMBLY
Remove the 2 bolts and cylinder head cover sub-assembly.
REMOVE NO. 2 CYLINDER HEAD COVER SUB-ASSEMBLY
Remove the wire harness.
Remove the cylinder head cover cushion rubber.
Remove the 2 bolts and No. 2 cylinder head cover sub-assembly.
REMOVE DIESEL THROTTLE BODY
Disconnect the 2 diesel throttle body connectors.
Remove the 2 bolts, 2 nuts and diesel throttle body.
REMOVE VENTURI ASSEMBLY
Remove the 4 bolts, 2 nuts and venturi from the intake manifold.
SEPARATE WIRE HARNESS AND CONNECTORS
Disconnect the 3 connectors, 3 connector clamps and bolt.
REMOVE EGR VALVE BRACKET
Remove the 4 bolts and bracket.
REMOVE WATER BY-PASS PIPE SUB-ASSEMBLY
Remove the 3 bolts and 2 union bolts.
Remove the water by-pass pipe.
REMOVE INJECTION PIPE CLAMP
Remove the 2 nuts.
Remove the oil level gauge guide and O-ring, and then remove the 2 injection pipe clamps.
REMOVE OIL LEVEL GAUGE GUIDE
Remove the oil level gauge guide.
REMOVE INJECTOR ASSEMBLY
Using a union nut wrench (17 mm), loosen the 8 union nuts and remove the injection pipe sub-assembly.
Remove the 5 hollow screws and 5 gaskets, and then remove the nozzle leakage pipe.
Tech Tips
After removing the nozzle leakage pipe, put it in a plastic bag to prevent foreign matter from contaminating the injectors.
Using a small screwdriver, remove the 4 holder seals.
Remove the 4 bolts and the 4 nozzle holder clamps.
Note
Arrange the holder clamps and bolts in the correct order.
Remove the 4 injectors.
Note
Arrange the injectors in the correct order.
Remove the No. 2 cylinder head cover gasket from each injector.
Remove the O-ring from each injector.
REMOVE GENERATOR BELT ADJUSTING BAR
Remove the 2 bolts and generator belt adjusting bar.
REMOVE GENERATOR BRACKET SUB-ASSEMBLY
Remove the 3 bolts and generator bracket.
REMOVE RADIATOR PIPE
Remove the 2 bolts and radiator pipe.
REMOVE TURBOCHARGER SUB-ASSEMBLY
Tech Tips
REMOVE WATER PIPE SUB-ASSEMBLY
Remove the 3 bolts and water pipe sub-assembly.
REMOVE WATER BY-PASS PIPE SUB-ASSEMBLY
Remove the 6 bolts and water by-pass pipe sub-assembly.
SET NO. 1 CYLINDER TO TDC/COMPRESSION
Set the No. 1 cylinder to TDC/compression.
Tech Tips
Make sure that there is free play in the No. 1 cylinder rocker arms and that there is no free play in the No. 4 cylinder rocker arms.
REMOVE NO. 1 VALVE ROCKER SHAFT SUB-ASSEMBLY
Loosen the lock nuts at the top of the rocker arms and completely loosen the adjusting screws.
Note
If the adjusting screws are left unloosened, the rocker shaft may bend when the rocker arm support bolts are loosened.
Loosen the rocker arm support bolts in the order shown in the illustration.
Remove the 5 bolts and No. 1 valve rocker shaft.
REMOVE VALVE PUSH ROD
Tech Tips
Organize the parts so that each part location can be remembered for reassembly.
REMOVE VALVE BRIDGE
Tech Tips
Organize the parts so that each part location can be remembered for reassembly.
REMOVE CYLINDER HEAD SUB-ASSEMBLY
Loosen the cylinder head bolts in the order shown in the illustration and remove the bolts.
Lift and remove the cylinder head from the cylinder block.
REMOVE CYLINDER HEAD GASKET