Isuzu KB P190. Manual — part 738

Engine Mechanical – V6

Page 6A1–175

Page 6A1–175

CAUTION

Ensure that the right-hand secondary timing
chain guide is used when installing to the
right-hand side in this procedure.

10

Ensure that the right-hand secondary timing chain
guide is selected and orientated correctly.

Figure 6A1 – 272

11

Position the chain guide (2).

12

Install the secondary timing chain guide bolts (1) and
tighten to the correct torque specification.

Secondary timing chain guide
attaching bolt torque specification. . ...20.0 – 26.0 Nm

Figure 6A1 – 273

13

Ensure the right-hand secondary timing chain shoe is
selected and orientated correctly.

CAUTION

The right-hand secondary camshaft drive
shoe is marked with the letters ‘RH’. Ensure
that the right-hand drive shoe is used when
installing to the right-hand side in this
procedure and that the letters ‘RH” are
facing the front of the vehicle when installed.

Figure 6A1 – 274

Engine Mechanical – V6

Page 6A1–176

Page 6A1–176

14

Position the right-hand secondary timing chain shoe
(1).

Figure 6A1 – 275

15

Install the secondary timing chain shoe bolt (1) and
tighten to the correct torque specification.

Secondary timing chain shoe
attaching bolt torque specification. . ...20.0 – 26.0 Nm

Figure 6A1 – 276

16

Ensure the right-hand secondary timing chain
tensioner is selected and orientated correctly.

Figure 6A1 – 277

Engine Mechanical – V6

Page 6A1–177

Page 6A1–177

17

Reset the right-hand secondary timing chain
tensioner.

N O T E

To reset the tensioner, use a suitably sized flat
blade screwdriver (1) or Tool No. J 45027 to
wind the plunger in a clockwise direction, into
the tensioner shaft (2).

Figure 6A1 – 278

18

Install the tensioner shaft (1) into the right-hand
secondary timing chain tensioner body (2).

Figure 6A1 – 279

19

Compress the tensioner shaft into the body and lock
the tensioner by inserting Tool No. EN 46112 into the
access hole in the side of the tensioner body.

20

Slowly release pressure on the right-hand secondary
timing chain tensioner. The tensioner should remain
compressed.

Figure 6A1 – 280

Engine Mechanical – V6

Page 6A1–178

Page 6A1–178

21

Install a new right-hand secondary timing chain
tensioner gasket (1) to the tensioner (2).

22

Install the right-hand secondary timing chain
tensioner bolts (3) through the tensioner and gasket.

23

Ensure the right-hand secondary timing chain
tensioner mounting surface on the right-hand cylinder
head does not have any burrs or defects that would
affect the sealing of the new tensioner gasket.

Figure 6A1 – 281

24

Place the right-hand secondary timing chain tensioner
(2) into position and loosely install the bolts (1) to the
engine block.

Figure 6A1 – 282

25

Verify the proper placement of the right-hand
secondary timing chain tensioner gasket tab (1).

26

Tighten the right-hand secondary timing chain
tensioner bolts (2) to the correct torque specification.

Secondary timing chain tensioner
attaching bolt torque specification. . ...20.0 – 26.0 Nm

Figure 6A1 – 283