Isuzu KB P190. Service 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