Isuzu KB P190. Manual - part 755

Engine Mechanical – V6 

Page 6A1–243 

 

Page 6A1–243 

22 

Disconnect the EVAP valve outlet tube, (1) from the 
upper intake manifold (2). 

23 

Remove the four long bolts, (3) attaching the upper 
intake manifold, (2) to the cylinder heads and lower 
intake manifold. 

 

Figure 6A1 – 414 

23 

Remove the six bolts, (1) attaching the lower intake 
manifold (2), then remove the manifold from the 
engine. 

24 

Remove the following from the engine and engine 
compartment : 

• 

Lower intake manifold to cylinder head gasket 

• 

The Heater hose 

• 

The Air Cleaner assembly 

 

 

Figure 6A1 – 415 

25 

Remove the transmission support (1). 

26 

Remove the front and rear propeller shafts, (4WD 
Only), refer to 

Section 4C1 Front Wheel Drive

 and 

Section 4C2 Drive Line

 (For 4WD Vehicles). 

27 

Remove the front torsion bar springs, refer to  

Section 3C Suspension

. 

 

 

Figure 6A1 – 416 

Engine Mechanical – V6 

Page 6A1–244 

 

Page 6A1–244 

28 

Remove the centre exhaust pipe (1), refer to  

Section 6F Exhaust System - V6

. 

 

 

Figure 6A1 – 417 

29 

Disconnect the  two post-catalytic converter oxygen 
sensor wiring harness connectors, 1 each bank. 

 

   

 

Figure 6A1 – 418 

30 

Disconnect the two pre-catalytic converter oxygen 
sensor wiring harness connectors, 1 each bank. 

31 

Remove the front exhaust flange nuts, three each 
bank. 

32 

Remove the front left-hand exhaust pipe from the 
rubber mount. 

 

33 

Remove the front exhaust pipes from the vehicle, for 
further information, refer to 

Section 6F Exhaust 

System - V6

. 

 

Figure 6A1 – 419 

34 

Remove the transfer case from the vehicle (4WD Only), refer to 

Section 7D Transfer Case and Adaptor Housing

. 

Engine Mechanical – V6 

Page 6A1–245 

 

Page 6A1–245 

35 

Disconnect the harness connector from the transmission, refer to 

Section 7B1 Manual Transmission – V6

 or  

Section 7C1, Section 7C2, Section 7C3 

or

 Section 7C4 

for automatic transmission. 

36 

Remove the left-hand side exhaust manifold upper 
heat shield (1), (Automatic transmission only). 

 

Figure 6A1 – 420 

37 

Progressively loosen the seven exhaust manifold 
attaching bolts (2), working from the outside to the 
centre and then remove the bolts. 

38 

Manoeuvre the exhaust manifold (3), away from the 
cylinder head. 

39 

Remove and discard the exhaust manifold to cylinder 
head gasket. 

 

 

 

Figure 6A1 – 421 

40 

Remove the engine oil level indicator assembly (1), 
(automatic transmission only). 

41 

Remove the left-hand side exhaust manifold, 
(automatic transmission only). 

 

 

Figure 6A1 – 422 

Engine Mechanical – V6 

Page 6A1–246 

 

Page 6A1–246 

 

Figure 6A1 – 423 

 

Figure 6A1 – 424 

42 

 Fit the engine lifting brackets (1),  (EN–46114) and attach the engine hoist, raise the engine to take the weight off 
the engine mounts. 

 

Engine Lift Bracket Attaching Bolt 
torque specification 

.............................................................58.0 – 72.0.0 Nm 

 

43 

Remove the left-hand side knock sensor (1). 

 

Figure 6A1 – 425 

N O T E  

Removal or the starter motor is only required for 
vehicles with an Automatic Transmission.