Isuzu KB P190. Manual - part 744

Engine Mechanical – V6 

Page 6A1–199 

 

Page 6A1–199 

13 

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

 

Figure 6A1 – 325 

Clean 

1 

Clean the exterior of each camshaft sprocket with solvent. 

 

Safety glasses must be worn when using 
compressed air. 

2 

Dry the timing components with compressed air. 

Inspect 

1 

Inspect the front of each sprocket for the following: 
• 

Sprocket damage (1), and  

• 

Sprocket bolt seating inner hub damage (2). 

 

 

Figure 6A1 – 326 

Engine Mechanical – V6 

Page 6A1–200 

 

Page 6A1–200 

2 

Inspect the back of each sprocket for the following: 
• 

Sprocket damage (1), 

• 

Camshaft locating pin damage (2) and, 

• 

Camshaft seating/sealing inner hub flange 
damage (3), 

 

 

N O T E  

These checks apply to both the inlet and 
exhaust camshaft sprockets. 

 

Figure 6A1 – 327 

Reinstall 

Reinstallation of the camshaft sprockets is the reverse of the removal procedure, noting the following:  

1 

Align the sprockets and timing chain with the marks made during removal. 

2 

Tighten the camshaft sprocket bolts to the correct torque specification. 

Camshaft sprocket attaching 
bolt torque specification ..........................49.0 – 67.0 Nm 

3 

Remove the timing chain retention tools. 

Engine Mechanical – V6 

Page 6A1–201 

 

Page 6A1–201 

3.20 Camshaft 

Remove 

Right-hand Side 

1 

Remove the right-hand cylinder head camshaft sprockets, refer to 

3.18  Camshaft Sprocket

. 

N O T E  

Tool No. EN-46105–1 was installed as part of the 
right-hand cylinder head camshaft sprocket 
removal procedure. 

2 

Remove the Tool No. EN-46105–1 (1) from the right-
hand cylinder head camshafts (2). 

 

 

 

N O T E  

Tool No. EN-46105 was installed as part of the 
right-hand cylinder head camshaft sprocket 
removal procedure. 

 

Figure 6A1 – 328 

3 

Observe the markings (1) on the bearing caps. Each 
bearing cap is marked to identify its location. The 
markings have the following meanings: 
• 

The raised feature must always be oriented 
toward the centre of the cylinder head. 

• 

An I indicates the intake camshaft. 

• 

An E indicates the exhaust camshaft. 

• 

The number indicates the journal position from 
the front of the engine. 

 

 

Figure 6A1 – 329 

Engine Mechanical – V6 

Page 6A1–202 

 

Page 6A1–202 

4 

Remove the camshaft bearing cap bolts (1) and 
caps (2). 

 

Figure 6A1 – 330 

5 

Remove the camshafts (1). 

 

 

Figure 6A1 – 331