Isuzu KB P190. Manual — part 643

Engine Mechanical – V6

Page 6A1–93

4

Place the front cover onto the special tools and slide
into position.

5

Remove the special tools from the cylinder block.

Figure 6A1 – 96

6

Hand start the front cover bolts (1).

Figure 6A1 – 97

7

Tighten the engine front cover bolts to the correct
torque specification, in the sequence shown.

Engine front cover assembly attaching
bolt torque specification . . . . . . ..20.0 – 26.0 Nm

8

Fill the cooling system, refer to 6B1 Engine Cooling –
V6.

9

Change the engine oil, refer to 3.1

Engine Oil.

Figure 6A1 – 98

Engine Mechanical – V6

Page 6A1–94

3.16 Timing Chains, Tensioners, Shoes and

Guides

CAUTION

Setting the camshaft timing is required
whenever the camshaft drive system has
been disturbed and the relationship between
any chain and sprocket has been lost. If
required, follow the left-hand secondary
timing chain reinstallation procedure to reset
the camshaft timing.

Primary and Left-hand Secondary Timing Chain Installation

Figure 6A1 – 99

Legend

1

Intake Camshaft Sprocket Timing Mark – Left-hand

2

Secondary Timing Chain Bright Plated Link – Left-hand

3

Exhaust Camshaft Sprocket Timing Mark – Left-hand

4

Secondary Timing Chain – Left-hand

5

Primary Timing Chain

6

Camshaft Intermediate Driveshaft Sprocket Timing Mark –
Left-hand

7

Camshaft Intermediate Driveshaft Sprocket – Left-hand

8

Primary Timing Chain Bright Plated Link

9

Camshaft Intermediate Driveshaft Sprocket Timing Mark –
Left-hand

10

Camshaft Intermediate Drive shaft Sprocket – Right-hand

11

Crankshaft Sprocket

12

Crankshaft Sprocket Timing Mark

Engine Mechanical – V6

Page 6A1–95

Right-hand Secondary Timing Chain Installation

Figure 6A1 – 100

Legend

1

Intake Camshaft Sprocket Timing Mark – Left-hand

2

Secondary Timing Chain Bright Plated Link – Left-hand

3

Exhaust Camshaft Sprocket Timing Mark – Left-hand

4

Secondary Timing Chain – Left-hand

5

Primary Timing chain

6

Camshaft Intermediate Drive Chain Sprocket Timing Mark –
Left-hand

7

Primary Camshaft Intermediate Drive Chain Sprocket – Left-
hand

8

Primary Timing Chain Bright Plated Link

9

Camshaft Intermediate Drive Chain Sprocket Timing Mark –
Left-hand

10

Camshaft Intermediate Drive Chain Sprocket – Right-hand

11

Crankshaft Sprocket

12

Crankshaft Sprocket Timing Mark

13

Secondary Timing chain Bright Plated Link – Right-hand

14

Camshaft Intermediate Drive Chain – Right-hand

15

Exhaust Camshaft Sprocket Timing Mark - Right-side

16

Inlet Camshaft Sprocket Timing Mark - Right-side

Engine Mechanical – V6

Page 6A1–96

Remove

Right-hand Secondary Timing Chain

CAUTION

After removing the upper intake manifold, and
spark plugs, plug any openings to prevent dirt
and other contaminants from entering.

1

Remove the engine front cover assembly, refer to 3.15

Front Cover Assembly.

2

Remove the spark plugs to aid crankshaft/engine rotation, refer to 6C1-3 Engine Management – V6 – Service
Operations.

3

Install Tool No. EN46111 (1) onto the crankshaft (2).

Figure 6A1 – 101

4

Using Tool No. EN46111 (1), rotate the crankshaft in
a clockwise direction until the crankshaft sprocket
timing mark (2) is aligned with the indexing mark (3)
on the oil pump housing.

Figure 6A1 – 102