Isuzu KB P190. Manual - part 667

Engine Mechanical – V6 

Page 6A1–189 

 

28 

Remove the centre exhaust pipe (1), refer to 6F 
Exhaust System - V6 - V6. 

 

Figure 6A1 – 327 

29 

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

 

   

Figure 6A1 – 328 

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 6F Exhaust System - V6.

Figure 6A1 – 329 

34 

Remove the transfer case from the vehicle (4WD Only), refer to 7D Transfer Case and Adaptor Housing. 

Engine Mechanical – V6 

Page 6A1–190 

 

35 

Disconnect the harness connector from the transmission, refer to 7B1 Manual Transmission – V6 or 7C1, 2, 3 or 4 
for automatic transmission. 

 

36 

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

Figure 6A1 – 330 

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 – 331 

40 

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

41 

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

 

Engine Mechanical – V6 

Page 6A1–191 

 

Figure 6A1 – 332 

Figure 6A1 – 333 

Figure 6A1 – 334 

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 – 335 

N O T E  

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

Engine Mechanical – V6 

Page 6A1–192 

 

 

 

44 

Remove the left-hand side engine mount (1), 
(automatic transmission only). 

 

Figure 6A1 – 336 

45 

Unclip the oil level sensor harness from the heat 
shield (1). 

a 

Remove the heat shield retaining screw (2). 

b 

Remove the lower starter motor attaching bolt (3). 

c 

Remove the heat shield. 

d 

Remove the upper starter motor retaining bolt (3). 

46 

Remove the starter motor from the engine block and 
lower the starter motor as far as possible to gain 
access to the wiring harness connections. 

47 

Remove the starter motor, (automatic transmission 
only). 

Figure 6A1 – 337 

48 

Reinstall the left-hand side engine mount (1), 
(automatic transmission only). 

49 

Remove the transmission assembly, refer to  7C1 
Automatic – 4L60E – General Information.