Fiat X 1/9 1978 - Camshaft Mechanism; REPLACING TIMING BELT

III - 1974
Section No. 101.06
Page
41
Camshaft
Mechanism
REPLACING
TIMING
BELT
Set
engine
on
T.D.C.,
firing
on
No.
4
cylinder.
Check
crankshaft
pulley
timing
mark
at
T.D.C.
on
pulley
cover.
Check
camshaft
timing
pulley
mark
aligned
with
cast
finger
of
support,
visible
through
hole
in
cover.
Put
car
in
4th
gear
and
apply
hand
brake.
CAUTION:
If
cam
is
turned
independently
of
engine,
valves
may
hit
pistons.
This
will
result
in
engine
damage.
Remove
bolts
and
washers
holding
timing
cover
(1).
Remove
right
guard
from
under
engine.
Remove
lower
bolt
holding
cover.
Remove
cover
(1).
Loosen
lower
bolt
on
alternator
(4).
Loosen
bolt
(5)
thru
alternator
adjusting
bracket
(6).
Remove
water
pump
and
alternator
drive
belt
(3).
Remove
water
pump
drive
pulley
(2)
from
crankshaft.
Remove
2
bolts
thru
rear
of
air
pump
(8)
and
support
brackets
(7).
Loosen
bolt
thru
top
of
air
pump.
Move
pump
and
remove
drive
belt.
1.
Timing
cover.
2.
Drive
pulley.
3.
Drive
belt.
4.
Alternator.
5.
Bolt.
6.
Adjusting
bracket.
7.
Brackets.
8.
Air
pump.
Remove
cam
cover.
Check
that
cam
lobes
of
No.
4
cylinder
are
pointing
up.
Remove
distributor.
Loosen
idler
pulley
lock
nut
(1).
Push
in
on
support
and
tight-
en
Iock
nut.
Remove
belt
(3),
starting
at
idler
pulley
(2}.
Install
new
belt.
Start
at
crankshaft
pulley.
Twist
belt
gently
to
position
it
around
crankshaft
pulley.
Do
not
kink
belt.
1.
Lock
nut.
2.
Idler
pulley.
3.
Timing
belt.