1983 FIAT UNO ECO mode

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Page 148 of 303

FIAT UNO 1983  Service Repair Manual depressurize the fuel system, before
disconnecting the fuel pipes and removing the
throttle body, as described in Section 9D.
34Disconnect the coolant and vacuum
hoses from the cylinder head and inlet

Page 151 of 303

FIAT UNO 1983  Service Repair Manual 99Tighten the big-end bolts to the specified
torque (photo). The correct torque is
important as the bolts have no locking
arrangement. After tightening each big-end,
check that the crankshaft rotates

Page 152 of 303

FIAT UNO 1983  Service Repair Manual 8Disconnect the heater hose from the inlet
manifold.
9On fuel injection models, depressurize the
fuel system (refer to Section 9D). Disconnect
the fuel inlet and return hoses from the fuel
pump (photo

Page 155 of 303

FIAT UNO 1983  Service Repair Manual crankcase. If the shells are to be used again,
keep them with their respective bearing caps. 
70The thrust washers which control
crankshaft endfloat are located in the
crankcase, and retained by the t

Page 158 of 303

FIAT UNO 1983  Service Repair Manual 32Fit the hot air collector plate for the air
cleaner (photo).
33Refer to Section 10 and fit the distributor.
34Bolt on the timing belt cover.
35Fit the camshaft cover, using a new
gasket unless the o

Page 160 of 303

FIAT UNO 1983  Service Repair Manual separately, after the ten main bolts (see 
Fig. 13.13).
Piston rings
14The piston rings comprise two
compression rings marked TOP, and an oil
control ring.
15Cross-sections and fitting details are
sho

Page 161 of 303

FIAT UNO 1983  Service Repair Manual Engine oil cooler -
removal and refittingÁ
23The oil cooler is mounted behind the front
bumper/spoiler (photo). 
24Disconnect the oil flow and return hoses,
either from the cooler or the oil filter c

Page 162 of 303

FIAT UNO 1983  Service Repair Manual Initial start-up after major
overhaul
28Refer to Chapter 1, Section 45, but note
that an oil pressure gauge is fitted to indicate
oil pressure.
29Check the ignition static timing as
described in Secti