Isuzu KB P190. Manual - part 741

Engine Mechanical – V6 

Page 6A1–187 

 

Page 6A1–187 

7 

Install Tool No. EN-46105 – 1 (1) onto the rear of the 
right-hand cylinder head (3) camshafts (2).  

 

Figure 6A1 – 299 

N O T E  

Use an open-end spanner (1) at the camshaft 
hex (2) to prevent camshaft/engine rotation. 

N O T E  

Do not remove the camshaft sprocket bolt (3) at 
this time. 

8 

Loosen the camshaft sprocket bolt (3). 

N O T E  

If you have already removed the camshaft 
timing chain proceed to step 12

 

 

Figure 6A1 – 300 

Engine Mechanical – V6 

Page 6A1–188 

 

Page 6A1–188 

CAUTION

 

Ensure the tips of Tool No. 

 

EN-46108 are fully engaged into the timing 
chain and the wing nuts are tight and the 
timing chain is taught. 

9 

Install Tool No. EN-46108 (1 and 2) to retain the 
timing chain (3 and 4). 

10 

Firmly tighten the wing nuts of Tool No. EN-46108. 

11 

Mark the timing chain and the respective location on 
both camshaft sprocket. 

N O T E  

Ensure the camshaft timing chain and the 
camshaft sprocket are marked for correct 
reassembly. 

 

Figure 6A1 – 301 

12 

Remove the bolt (1) attaching the right-hand exhaust 
camshaft sprocket (2) and remove the sprocket. 

 

 

Figure 6A1 – 302

 

13 

Remove the bolt (1) attaching right-hand intake 
camshaft sprocket (2) and remove the sprocket. 

 

Figure 6A1 – 303

 

Engine Mechanical – V6 

Page 6A1–189 

 

Page 6A1–189 

Left-hand Side 

1 

Remove the left-hand camshaft cover, refer to 

3.12  Camshaft Cover

. 

2 

Remove the camshaft position sensors, refer to 

Section 6C1-3 Engine Management – V6 – Service Operations

. 

3 

Remove the camshaft position actuator solenoids, refer to 

Section 6C1-3 Engine Management – V6 – Service 

Operations

. 

4 

Remove the crankshaft balancer assembly, refer to 

3.13  Crankshaft Balancer Assembly

. 

5 

Install the crankshaft rotation socket Tool No.  
EN-46111 onto the crankshaft. 

6 

Rotate the crankshaft until the camshafts are in a 
neutral low tension position. The camshaft flats will be 
parallel with the camshaft cover rail (1). 

 

 

Figure 6A1 – 304 

7 

Install Tool No. EN-46105 – 1 (1) onto the rear of the 
left-hand cylinder head camshafts (2). 

 

 

Figure 6A1 – 305 

Engine Mechanical – V6 

Page 6A1–190 

 

Page 6A1–190 

N O T E  

Use an open-end wrench (1) at the camshaft 
hex (2) to prevent camshaft/engine rotation. 

N O T E  

Do not remove the camshaft sprocket bolt (3) at 
this time. 

8 

Loosen the camshaft sprocket bolt (3). 

N O T E  

If the camshaft timing chain has already been 
removed proceed to Step 12. 

 

 

Figure 6A1 – 306 

CAUTION

 

Ensure the tips of Tool No. EN-46108 are 
fully engaged into the timing chain and the 
wing nuts are tight and the timing chain is 
taught. 

9 

Install Tool No. EN-46108 (1 and 2) to retain the 
timing chain (3 and 4). 

10 

Firmly tighten the wing nuts of Tool No. EN-46108. 

N O T E  

Ensure the camshaft timing chain and the 
camshaft sprocket are marked for correct 
reassembly. 

11 

Mark the timing chain and the respective location on 
both camshaft sprocket. 

 

Figure 6A1 – 307 

12 

Remove the bolt (1) attaching the left-hand exhaust 
camshaft sprocket (2) and remove the sprocket. 

 

Figure 6A1 – 308