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.