Isuzu KB P190. Manual - part 664

Engine Mechanical – V6 

Page 6A1–177 

 

11 

Place the collets into position by pushing the tool (1) 
downward and releasing tension on the valve spring 
compressor (2). 

12 

Verify the valve collets are installed by placing a rag 
over the valve tip and tapping with a dead-blow 
hammer. The valve collets and the spring should 
remain in place. 

 

Figure 6A1 – 305 

Reinstall 

Right-hand Side (Bank 1) Cylinder Head 

The reinstallation procedure for the right-hand side cylinder head assembly is the reverse of the removal procedure, 
noting the following: 

1 

Ensure all fasteners are tightened to the correct torque specification. 

2 

Using crankshaft rotation Tool No. EN-46111 (1), 
align the crankshaft sprocket timing mark (2) with the 
indexing mark (3) on the oil pump housing. 

 

Figure 6A1 – 306 

Engine Mechanical – V6 

Page 6A1–178 

 

3 

Ensure the deck face is clean and the cylinder head 
locating pins are securely mounted in the cylinder 
block deck face. 

4 

Install a new right-hand cylinder head gasket (1) 
using the deck face locating pins for retention. 

Figure 6A1 – 307 

5 

Align the cylinder head with the locating pins. 

6 

Place the cylinder head in position on the deck face.

N O T E  

Do not allow oil on the cylinder head bolt 
bosses. 

CAUTION

 

Do not reuse the old M11 cylinder head bolts 
(1 to 8 inclusive). 

7 

Install new M11 cylinder head bolts (1) eight places 
and tighten in the sequence shown and to the correct 
torque specification. 

 

 

 

 

Figure 6A1 – 308 

„ Cylinder head M11 attaching bolt 
torque specification: 
 

Stage 1: .............40.0 – 50.0 Nm 

 Stage 

2: ..............................120° 

 

Figure 6A1 – 309 

Left-hand Side (Bank 2) Cylinder Head 

The reinstallation procedure for the left-hand side cylinder head assembly is the reverse of the removal procedure, noting 
the following: 

Engine Mechanical – V6 

Page 6A1–179 

 

1 

Ensure all fasteners are tightened to the correct torque specification. 

2 

Using crankshaft rotation Tool No. EN-46111 (1), 
align the crankshaft sprocket timing mark (2) with the 
indexing mark (3) on the oil pump housing. 

Figure 6A1 – 310 

3 

Ensure the deck face is clean and the cylinder head 
locating pins are securely mounted in the cylinder 
block deck face. 

4 

Install a new cylinder head gasket (1) using the deck 
face locating pins for retention. 

Figure 6A1 – 311 

5 

Align the cylinder head with the locating pins. 

6 

Place the cylinder head in position on the deck face.

N O T E  

Do not allow oil on the cylinder head bolt 
bosses. 

CAUTION

 

Do not reuse the old M11 cylinder head bolts 
(1 to 8 inclusive). 

7 

Install new M11 cylinder head bolt (1), eight places, 
and tighten in the sequence shown and to the correct 
torque specification. 

 

 

Figure 6A1 – 312 

Engine Mechanical – V6 

Page 6A1–180 

 

8 

Install the front M8 cylinder head bolt (2), two places, 
and tighten in the sequence (9 and 10) and to the 
correct torque. 

 

 

„ Cylinder head M11 attaching bolt 
torque specification: 
 

Stage 1: .............40.0 – 50.0 Nm 

 Stage 

2: ..............................120° 

 

„ M8 cylinder head bolt 
torque specification 
 

Stage 1: .............12.0 – 18.0 Nm 

 Stage 

2: ................................60° 

 

Figure 6A1 – 313