REMOVAL AND INSTALLATION

			Removal steps
		1.	Oil filler cap
		2.	PCV valve
		3.	PCV valve gasket
		4.	Rocker cover
		5.	Rocker cover gasket
		6.	Oil seal
	>>E<<	7.	Camshaft oil seal
<<A>>	>>D<<	8.	Rocker arms and rocker arm shaft (Intake side)
<<A>>	>>D<<	9.	Rocker arms and shaft assembly (Exhaust side)
	>>D<<	10.	Rocker shaft spring
		11.	Rocker arm A
		12.	Rocker arm B
	>>C<<	13.	Rocker arm shaft
	>>B<<	14.	Lash adjuster
		15.	Rocker arm C
	>>C<<	16.	Rocker arm shaft
	>>B<<	17.	Lash adjuster
		18.	Thrust case (Only right bank side)
		19.	O-ring (Only right bank side)
	>>A<<	20.	Camshaft

REMOVAL SERVICE POINT

<<A>> ROCKER ARMS AND SHAFT REMOVAL

caution

If the lash adjuster is re-used, clean the lash adjuster. (Refer to lash adjuster inspection

Set special tool Auto-lash adjuster holder (MD998443) to prevent the lash adjuster coming free and falling to the floor.

INSTALLATION SERVICE POINTS

>>A<< CAMSHAFT INSTALLATION

caution

Use care to prevent confusion of the right and left bank camshafts.

1.Apply engine oil to the camshaft journals and cams and then install the camshafts.

note

The camshaft with a longer overall length is for the left bank.

2.Check to see that the dowel pin of the camshaft is located at the position shown.

>>B<< LASH ADJUSTER INSTALLATION

caution

If the lash adjuster is re-used, clean the lash adjuster. (Refer to lash adjuster inspection

Fit the lash adjuster onto the rocker arm without allowing diesel fuel to spill out. Fit special tool Auto-lash adjuster holder (MD998443) to prevent the lash adjuster coming free and falling to the floor.

>>C<< ROCKER ARM SHAFT INSTALLTION

1.The end with the larger chamfer is at the right on the front bank and at the left on the rear bank.

note

The side with the four bolt holds is on the intake side

2.The side with the oil holes is on the lower side (cylinder head side).

>>D<< ROCKER ARM AND SHAFT / ROCKER SHAFT SPRING INSTALLATION

1.Temporarily tighten the rocker shaft with bolts so that all the intake valve rocker arms do not push on the valves.

2.Insert the rocker shaft spring from above and mount it at right angles to the plug guide.

3.Make sure that the notch of the rocker shaft is in the position shown in the illustration.

note

Mount the rocker shaft spring before installing the exhaust rocker arms and rocker arm shaft.

>>E<< CAMSHAFT OIL SEAL INSTALLATION

Use special tools Camshaft oil seal installer (MD998713) and Camshaft oil seal installer adapter (MB991559) to install the camshaft oil seal.