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