The engine Section F
Failure
to
replace the shim
or
shims
will
cause
excessive end float
of
the distributor drive shaft,
resulting in poor meshing
of
the drive gear and
engine noise.
The backlash between camshaft gear and
driveshaft gear must not exceed
0·0762mm
(0·003
in
).
6 Reassemble components in reverse order.
7
Ensu
ring the engine is
on
TDC refit oil
pump and
new
gasket to cylinder block
with
two
1
5
6
UNF nuts and lockwashers.
Operation 5 - Crankshaft rear cover
and
oil seal
(with
flywhe
el removed)
1 Unscrew six set screws and remove oil seal
cover,
complete
with
oil seal and gasket from
the
cylinder block.
2 Using a suitable
tool press the oil seal from
the rear cover.
Note
: Do not use a screwdriver
as
this
will
damage the oil seal seating.
3
Ca
refully press a
new
oi
l seal into the rear
cover. To ensure the
sea
l is seated firmly and
squarely use a press
tool, similar
to
that shown
in
Figure
6.
4 Locate the
two
dowels
of
the rear cover in
the cylinder block and then secure cover
with
six i UNC set screws and lockwashers (see
Figure
7).
Operation 6 -
Timing
chain cover,
oil
sea
l and gasket
1 Drain t
he
cooling system.
Figure
6 Replacing rear cover oil
seal
F
igure
7 Fitting rear cover
2 Remove the radiator, complete
with
hoses,
from the vehicle.
3
Slacken alternator mountings and remove
fan belt.
6
4 Unscrew four
,\-
UNF nuts and lockwashers
and remove waterpump from
cylinder block.
5 Unscrew
i UNF bolt and
withdraw
crankshaft pulley.
6 Remove seven i UNC bolts and
two
i UNC
nuts, complete
with
lockwashers, and detach
tim
in
g chain cover from cylinder block.
7 Extract
oil
sea
l from cover usin'g Tool No.
RT7480 and drive handle Part No.
550 (see
Figur
e 8).
Figur
e 8 Extracting front cover o
il
seal
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