Isuzu KB P190. Manual — part 723

Engine Mechanical – V6

Page 6A1–115

Page 6A1–115

5

After aligning the crankshaft sprocket timing mark,
check that the camshaft flats (1) at the rear of the
right-hand cylinder head are parallel with the
camshaft cover rail (2).

6

If the camshaft flats are not as shown, rotate the
crankshaft 360

°.

Figure 6A1 – 105

7

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

Figure 6A1 – 106

8

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

Figure 6A1 – 107

Engine Mechanical – V6

Page 6A1–116

Page 6A1–116

9

Remove the right-hand secondary timing chain
tensioner bolts (1) and remove the tensioner (2).

N O T E

Take care when removing the tensioner bolts.
The tensioner plunger is subjected to spring
tension and may spring apart during tensioner
removal.

Figure 6A1 – 108

10

Remove the tensioner gasket (1) from the tensioner
(2) and discard the gasket.

11

Inspect the tensioner mounting surface on the right-
hand cylinder head for burrs or any defects that would
affect the sealing of a new tensioner gasket.

Figure 6A1 – 109

12

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

Figure 6A1 – 110

Engine Mechanical – V6

Page 6A1–117

Page 6A1–117

13

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

Figure 6A1 – 111

14

Remove the two right-hand secondary timing chain
guide bolts (1) and remove the guide (2).

Figure 6A1 – 112

15

Remove the right-hand secondary timing chain (1)
from the camshaft position actuators (2) and the
camshaft intermediate sprocket (3).

Figure 6A1 – 113

Engine Mechanical – V6

Page 6A1–118

Page 6A1–118

Primary Timing Chain

1

Remove the right-hand secondary timing chain, refer to Right-hand Secondary Timing Chain in this Section.

2

Remove the two primary timing chain tensioner
bolts (1), and remove the tensioner (2).

N O T E

Take care when removing the tensioner bolts.
The tensioner plunger is subjected to spring
tension and may spring apart during tensioner
removal.

Figure 6A1 – 114

3

Remove the gasket (1) from the tensioner (2) and
discard the gasket.

4

Inspect the primary timing chain tensioner mounting
surface on the engine block for burrs or any defects
that would affect the sealing of a new tensioner
gasket.

Figure 6A1 – 115

5

Remove the two primary timing chain upper guide
bolts (1) and remove the guide (2).

Figure 6A1 – 116

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Политика конфиденциальности