Isuzu D-Max / Isuzu Rodeo (TFR/TFS). Manual — part 558

6A – 70 ENGINE MECHANICAL

MINOR COMPONENTS

ROCKER ARM SHAFT AND ROCKER ARM

Disassembly Steps

J

1. Rocker arm shaft snap ring

5.

Rocker arm shaft spring

J

2. Rocker arm

6.

Rocker arm shaft snap ring

J

3. Rocker arm shaft bracket

7.

Rocker arm shaft

4.

Rocker

arm

Important Operations

1. Rocker Arm Shaft Snap Ring
2. Rocker

Arm

3. Rocker Arm Shaft Bracket

1) Use a pair of pliers to remove the snap rings.
2) Remove the rocker arms.
3) Remove the rocker arm shaft brackets.

If the rocker arms and rocker arm shaft brackets are
to be reinstalled, mark their installation positions by
tagging each rocker arm and rocker arm shaft bracket
with the cylinder number from which it was removed.

ENGINE MECHANICAL 6A – 71

CYLINDER HEAD

Disassembly Steps

1.

Intake manifold

J

6.

Intake and exhaust valve

2.

Intake manifold gasket

7.

Valve stem oil seal

J

3.

Split collar

8.

Valve spring lower seat

4.

Valve spring upper seat

9.

Cylinder head

5.

Valve spring

6A – 72 ENGINE MECHANICAL

Important Operations

3. Split

Collar

1) Place the cylinder head on a flat wooden surface.
2) Use the spring compressor to remove the split collars.

Do not allow the valve to fall from the cylinder head.
Spring Compressor: 9-8523-1423-0 (J-29760)

6. Intake and Exhaust Valve

If the intake and exhaust valves are to be reinstalled, mark
their installation positions by tagging each valve with the
cylinder number from which it was removed.
If the intake and exhaust valves are to be replaced, the
valve guides must also be replaced.

ENGINE MECHANICAL 6A – 73

PISTON AND CONNECTING ROD

Disassembly Steps

J

1.

Connecting rod bearing

J

4.

Piston pin

J

2.

Piston ring

5.

Connecting rod

J

3.

Piston pin snap ring

J

6.

Piston

015L200002

For 4JA1/4JA1T/4JA1TC
/4JH1TC only