Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 574

6A – 134 ENGINE MECHANICAL

Important Operations

39a.Nozzle Holder Assembly (4JG2T Engine)

Install the parts in sequence of corrugated washer, nozzle
gasket and nozzle holder.

Do not reuse the corrugated washer and nozzle gasket.

Use the new one.

The corrugated washer should be installed with blue color
painted side turned to the nozzle.

Tighten the nozzle holder.

Nozzle Holder Torque

kg·m (lb.ft/N·m)

6.5

±

0.5 (47.0

±

3.6/63.7

±

4.9)

Install the leak-off pipe via the copper gasket.

Leak Off Pipe Torque

kg·m (lb.ft/N·m)

3.5 – 4.7 (25.3 – 34.0/34.3 – 46.1)

ENGINE MECHANICAL 6A – 135

Note on Valve Clearance Adjustment

Valve clearances must be adjusted before the cylinder
head cover is reinstalled.

Refer to “Valve Clearance Adjustment” in the “Servicing”
Section of this Manual.

40. Cylinder Head Cover

1) Apply engine oil to the rocker arm and the valve

spring.

2) Install the cylinder head cover gasket to the head

cover.

Check to see that the head cover gasket has no loose
areas.

3) Tighten the cylinder head cover nuts in the numerical

order shown in the illustration.

Cylinder Head Cover Bolt Torque

kg·m (lb.ft/N·m)

1.3

±

0.5 (9.4

±

3.6/12.7

±

4.9)

4) Connect the PCV hose to the cylinder head cover.

6A – 136 ENGINE MECHANICAL

INTERNAL PARTS

MAJOR COMPONENTS

Reassembly Steps-1 (Gear Drive Model)

J

1.

Timing gear case

J

2.

Camshaft thrust plate

J

3. Camshaft timing gear

014RY00048

ENGINE MECHANICAL 6A – 137

Reassembly Steps-2 (Gear Drive Model)

J

4.

Crankshaft timing gear

J

9.

Injection pump

J

5.

Idler gear shaft

J

10.

Timing gear case cover

J

6. Idler gear “A”

11.

Space rubber

J

7. Idler gear “B” and shaft

12.

Gear case cover upper cover

J

7a. Idler gear “B” and shaft (Scissor

gear

and lower cover

J

8.

Timing gear oil pipe (Except
4JA1TC, 4JH1TC)

J

13. Crankshaft damper pulley

7a