Fiat 903 CC Automobile User Manual


 
8 Disconnect the heater hose from the inlet
manifold.
9 On fuel injection models, depressurize the
fuel system (refer to Section 9D). Disconnect
the fuel inlet and return hoses from the fuel
pump (photo) or throttle body, as applicable.
10 Disconnect the brake servo vacuum hose
from the inlet manifold.
11 Disconnect the throttle cable from the
carburettor, or throttle body as applicable.
12 Disconnect the choke cable, if applicable
(photo).
13 Disconnect the leads from the alternator.
14 Disconnect the battery earth lead from the
transmission casing.
15 Disconnect the leads from the starter
motor and the HT lead from the ignition coil
(photo).
16 Disconnect the coolant temperature
switch lead and the HT leads from the
distributor (photo).
17 Disconnect the lead from the carburettor
fuel cut-off (anti-diesel) solenoid valve, where
applicable.
18 Disconnect the lead from the oil pressure
switch (photo).
19 Although not essential, removal of the
radiator is recommended as a precaution
against its damage during removal of the
power unit. Disconnect the wiring plugs
from the fan and thermostatic switches
(photos).
20 Disconnect the leads from the reversing
lamp switch on the transmission.
21 Disconnect the clutch cable from the
release lever on the transmission.
22 Disconnect the speedometer cable from
the transmission by unscrewing the knurled
ring.
23 Working under the car, disconnect the
exhaust downpipes from the manifold and the
lower support bracket (photos).
24 Disconnect the gearchange rods from the
levers on the transmission. One rod is
retained by a spring clip, the other by a
Supplement: Revisions and information on later models 13•27
5C.15 Ignition coil HT lead connection5C.12 Choke cable connection at
carburettor
5C.9 Fuel hose identification at pump; inlet
hose (1), hose to carburettor (2), return
hose (3)
5C.19D Removing the radiator/fan
assembly
5C.19C Radiator fan cut-out thermostatic
switch
5C.19B Radiator fan motor wiring
connector
5C.19A Radiator retaining clip5C.18 Oil pressure switch5C.16 Coolant temperature switch
13