Fiat 903 CC Automobile User Manual


 
24 Screw in the big-end bolts and tighten to
the specified torque (photo).
25 Refit the sump pan (Sec 8) and the
cylinder head (Sec 7).
26 Refill the engine with oil and coolant.
10 Oil pump -
removal and refitting
1
1 Remove the sump pan as described in
Section 8.
2 Unscrew the two bolts which hold the oil
pump housing to the underside of the
crankcase and withdraw the pump. Remove
and discard the pump flange gasket.
Refitting
3 Stick a new gasket to the oil pump location
on the underside of the crankcase (photo).
4 Locate the oil pump driveshaft in the oil
pump and then offer up the complete
assembly to the crankcase so that the gear
teeth on the driveshaft mesh with those on the
camshaft (photo).
5 Fit the securing bolts (photo).
6 Fit the sump pan and refill the engine with
oil.
11 Engine mountings -
renewal
1
1 The engine/transmission flexible mountings
can be removed if the power unit is supported
under the sump pan or gearbox with a jack, or
a hoist is attached to the engine lifting lugs
and the weight of the power unit just taken.
2 Unscrew the mounting bracket bolts and
remove the mounting.
3 Fit the new mounting and remove the lifting
gear.
4 In the unlikely event of all the mountings
requiring renewal at the same time, renew
them one at a time, never disconnect all the
mountings together.
12 Engine - method of removal
1 The engine/transmission should be
removed downwards and withdrawn from
under the front of the car which will have to be
raised sufficiently high to provide clearance.
13 Engine/transmission -
removal and separation
3
1 Open the bonnet, disconnect the
windscreen washer tube.
2 Mark the hinge positions on the underside
of the bonnet using masking tape and then
with the help of an assistant to support its
weight unbolt the bonnet and remove it to a
safe place.
3 Disconnect the battery negative lead.
4 Drain the cooling system and engine oil.
5 Disconnect the leads from the rear of the
alternator, the starter motor and the oil pressure
switch also the coolant temperature switch.
6 Disconnect the HT lead from the ignition
coil and the LT lead from the distributor.
Disconnect the transmission earth strap.
7 Remove the air cleaner.
8 Disconnect the clutch cable from the
release lever at the transmission.
9 Disconnect the speedometer drive cable by
unscrewing the knurled nut from the
transmission.
903 cc engine 1•13
10.3 Oil pump gasket
10.4 Fitting the oil pump 10.5 Tightening an oil pump bolt
9.24 Tightening a big-end bolt
Fig. 1.11 Speedometer drive cable at
transmission (Sec 13)
Fig. 1.10 Clutch cable disconnected (Sec 13)
C Reversing switch cables
Fig. 1.9 Coolant temperature switch
(Sec 13)
1