Isuzu KB P190. Manual - part 757

Engine Mechanical – V6 

Page 6A1–251 

 

Page 6A1–251 

61 

Remove the air cleaner cover assembly including the 
MAF sensor assembly (1). 

62 

Remove the air cleaner filter (2) from the air cleaner 
body assembly (3). 

 

Figure 6A1 – 438 

63 

Disconnect the ECM connectors (1). 

 

Figure 6A1 – 439 

64 

Disconnect the canister hose (1). 

 

Figure 6A1 – 440 

Engine Mechanical – V6 

Page 6A1–252 

 

Page 6A1–252 

65 

Remove the engine mount attaching nuts (1), (two 
places) on the chassis side of the left-hand and right-
hand engine mounts. 

 

 

Figure 6A1 – 441 

66 

Slowly raise the engine using the engine hoist 
continue to lift and manoeuvre the engine assembly 
clear of the engine compartment. 

 

Figure 6A1 – 442 

Disassemble 

1 

Remove the wiring harness connectors and ground connections from the engine and transmission assembly and 
carefully set the wiring harness to one side, refer to 

Section 8A Electrical Body & Chassis

. 

2 

Remove the engine control module (ECM) and mounting bracket, refer to 

Section 6C1-3 Engine Management – V6 

– Service Operations

. 

3 

Mount the engine assembly on a suitable engine stand. 

5 

Drain the engine oil into a suitable, clean container. 

6 

Remove the following components: 

a 

Oil filter adaptor, refer to 

3.3  Oil Filter Adaptor

. 

b 

Engine coolant inlet pipe, refer to 

Section 6B1 Engine Cooling – V6

. 

c 

Heater pipe assembly, refer to 

Section 6B1 Engine Cooling – V6

. 

d 

Thermostat assembly, refer to 

Section 6B1 Engine Cooling – V6

. 

e 

Exhaust manifold assemblies, refer to 

3.11  Exhaust Manifold Assembly

. 

f 

Engine coolant outlet pipe, refer to 

Section 6B1 Engine Cooling – V6

. 

g 

Crankshaft position sensor, refer to 

Section 6C1-3 Engine Management – V6 – Service Operations

. 

h 

Knock sensors, refer to 

Section 6C1-3 Engine Management – V6 – Service Operations

. 

i 

Engine mounts and brackets, refer to 

3.23  Engine Mounts and Brackets

. 

j 

Flexplate assemblies, refer to 

4.3  Flexplate Assembly

. 

Engine Mechanical – V6 

Page 6A1–253 

 

Page 6A1–253 

k 

Timing chains, tensioners, shoes, guides & sprockets, refer to 

3.16  Timing Chains, Tensioners, Shoes and 

Guides

. 

l 

Cylinder head assemblies, refer to 

3.22  Cylinder Head Assembly

. 

m 

Oil pan assembly, refer to 

4.2  Oil Pan and Oil Pump Suction Pipe Assembly

. 

n 

Piston and connecting rod assemblies, refer to 

4.5  Pistons, Pins, Rings, Connecting Rods and Big-end 

Bearings

. 

o 

Crankshaft assembly, refer to 

4.6  Crankshaft and Main Bearings

. 

p 

Piston oil nozzles, refer 

4.5  Pistons, Pins, Rings, Connecting Rods and Big-end Bearings

. 

Reassemble 

Reassembly of the engine assembly is the reverse of the disassembly procedure. 

Reinstall 

Reinstallation of the engine assembly is the reverse to the removal procedure, noting the following: 

N O T E  

Refer to 

6  Torque Wrench Specifications

 for the 

correct torque specifications. 

1 

Tighten the fasteners to the correct torque specification. 

Engine ground connector bolt 
torque specification ............................................10.0 Nm 

Power steering high pressure line  
attaching bolt torque specification.............8.0 – 12.0 Nm 

Power steering high pressure line 
flare nut torque specification ...................25.0 – 35.0 Nm 

Engine mount to frame attaching bolt  
torque specification .................................44.0 – 60.0 Nm 

Knock Sensor Attaching Nut 
torque specification ............................................23.0 Nm 

2 

Use only the specified engine lubricant type and quantity. It is recommended that a fluorescent oil dye, such as that 
contained in J 28481-B, be added to assist in any future oil leak diagnosis. 

3 

Fill the cooling system with the correct quantity and grade of coolant, refer to 

Section 6B1 Engine Cooling – V6

. 

4 

Check transmission fluid level, replenishing as required, using the specified lubricant for the transmission fitted, 
refer to 

Section 7C1 Automatic – 4L60E – General Information

. 

5 

Disable the ignition system, refer to 

Section 6C1-3 Engine Management – V6 – Service Operations

. 

6 

Crank the engine several times. Listen for any unusual noises or evidence that parts are binding. 

7 

Enable the ignition system. Start the engine and listen for any unusual noises. 

8 

Check the vehicle oil pressure gauge or warning indicator and confirm the engine has acceptable oil pressure. If 
required, install an oil pressure gauge and measure the engine oil pressure, refer to 

2.19  Engine Oil Pressure 

Diagnosis

. 

9 

Run the engine at about 1,000 r.p.m. until the engine has reached normal operating temperature. 

10 

Listen for any unusual noises. 

11 

Check for oil, fuel, coolant and exhaust leaks while the engine is running, correcting as required. 

12 

Perform a final inspection for correct engine oil and coolant levels. 

 

Engine Mechanical – V6 

Page 6A1–254 

 

Page 6A1–254 

4.2 

Oil Pan and Oil Pump Suction Pipe 
Assembly 

Remove 

1 

Remove the engine assembly from the vehicle, refer to 

4.1  Engine 

. 

2 

Separate the engine and transmission assemblies, refer to 

Section 7C1 Automatic – 4L60E – General Information

. 

3 

Mount the engine assembly on a suitable engine stand. 

4 

Remove the engine front cover, refer to 

3.15  Front Cover Assembly

. 

5 

Remove the two long bolts (1) attaching the rear of 
the oil pan to the crankshaft rear oil seal housing. 

6 

Remove the remaining eleven bolts attaching the oil 
pan to the cylinder block. 

7 

Using the shear points located at the edge of the oil 
pan shear the RTV sealant. 

8 

Remove the oil pan from the cylinder block. 

 

 

Figure 6A1 – 443