FIAT Uno 45 - Manual (Page 222)

27 The engine must now be supported at its
left-hand end. If the engine/transmission lift
bracket is unbolted it can be attached at
another suitable position on the engine and
the lift sling/tool attached to it, but take care
not to attach it to a weak fixing point.
28 The engine will need to be supported
using an engine lift beam/support bar of the
type shown in Fig. 13.93. A strong wood or
metal beam resting on blocks in the front wing
drain channels will suffice, or alternatively use
an engine lift hoist and sling.
29 Refer to Section 13 in this Chapter and
Section 2 in Chapter 7 for details and remove
the front driveshaft each side.
30 Prise back the tabs of the retaining
washers, then undo the retaining nuts and
detach the exhaust downpipe from the
manifold. Detach the exhaust mounting
bracket (where applicable) and lower the
exhaust to allow access to the gearchange
linkages.
31 Disconnect the gearchange control and
selector link rod balljoints (photo). Do not alter
their lengths or the adjustment setting will be
affected.
32 Using a small diameter pin punch, drive the
retaining pins from the retaining clips which
secure the left-hand side underwing shield.
Prise free the clips and detach the shield.
33 Undo the retaining bolts and remove the
lower cover plate from the flywheel housing
(photo).
34 Position a trolley jack under the
transmission with an interposed block of wood to protect the casing and spread the
load. Raise the jack to support the weight of
the transmission.
35 Check that the weight of the engine is
securely supported, then unbolt and detach
the front engine mounting unit, then the rear
engine mounting unit.
36 Unscrew and remove the remaining bolts
securing the transmission to the engine. As
they are removed, note the position of any
brackets or additional fixings secured by
these bolts (photo).
37 Check around the transmission to ensure
that all fixings are detached from it and out of
the way, then carefully pull the transmission
free from the engine dowel pins. If possible
engage the aid of an assistant to help in
guiding or lowering the unit as it is removed.
As the unit is withdrawn from the engine, take
care not to place any strain on the input shaft.
Once the input shaft is clear of the clutch, the
transmission can be lowered and manoeuvred
from underneath the car. If available, lower the
unit onto a suitable crawler board to ease its
withdrawal from under the front end of the car.
38 Dismantling and overhaul of this
transmission is not recommended. If the
transmission has covered a high mileage it is
likely that several internal components are in
need of renewal. The cumulative cost of
renewing all worn and defective components
will almost certainly make overhaul
uneconomical when compared with the cost
of a new or service exchange transmission
from a FIAT dealer or transmission specialist.
39 Refitting is a reversal of the removal
procedure, but note the following special
points.
a)
Ensure that the engine and transmission
mating surfaces and the dowel pins are
clean and that all clutch components are
in good condition.
b) Apply a thin smear of molybdenum
disulphide grease to the splines of the
input shaft. Do not over-lubricate though
or the grease may work its way onto the
clutch friction surfaces and cause clutch
slip.
c) Raise the transmission so that it is in-line
with the engine, engage the end of the
input shaft into the clutch driven plate hub
and align the splines of each to enable the
transmission to be pushed home. It may
well be necessary to turn the flywheel a
fraction so that the splines align for
re-engagement
d) Do not fully tighten the engine and
transmission retaining bolts until all are
attached.
e) Tighten all retaining bolts and nuts of the
specified torque wrench settings (where
given).
f) Refer to Section 13 in this Chapter for
details on refitting the driveshafts.
g) Refill the transmission with the specified
quantity and grade of oil before lowering
the car to the ground (see paragraph 11).
Supplement: Revisions and information on later models 13•97
Fig. 13.93 FIAT lift beam/support bar in
place to support the weight of the engine.
Inset shows lift hook engagement point -
1372 cc models (Sec 12)
12B.24B . . . and retaining bolts (arrowed)
on the 1372 cc ie engine
12B.24A Starter motor electrical
connection . . .
12B.36 Transmission upper retaining bolts.
Note bracket under the left-hand bolt
12B.33 Lower cover plate and retaining
bolts (arrowed)
12B.31 Gear control and selector link rod
joints
13