Service manual

4G3 ENGINE - Rocker Arms and Camshaft
6EN0421
MD99?443-01
Lash adjister
7EN017,
Rocker shaft
for exhaust
Camshaft
for intake
3EN019’
Front mark
Cap No.
Rocker cover
/
attaching
/
bolt hole
0
i!if
0
No. 2
No. 3
1
6 0
0
No. 4
3EN0093
#B4 LASH ADJUSTER IiUSTALLATlON
(1) Dip the lash adjuster in clean diesel fuel.
(2) While using a small wire to lightly press the check ball
downward, move the plunger up and down four or five
times to bleed out the air.
(3) Insert the lash adjuster to the rocker arm, being careful not
to spill the diesel fuel. Then use the special tool to prevent
the lash adjuster from falling while installing the rocker arm
and shaft assembly to the cylinder head.
I)c4 ROCKER SHAFT INSTALLATION
(1) Install the rocker shafts with notches up and toward the
front bearing cap.
(2) The overall length of the left (intake) rocker shaft is 356.5
mm (14.04 in.); that of right (exhaust) rocker shaft is 350
mm (13.78 in.).
I)D4 CAMSHAFT BEARING CAP IDENTIFICATION
TSB Revision