Fiat 999 CC Automobile User Manual


 
17 Disconnect the air hoses from the
turbocharger (photo).
18 Drain the cooling system, and then
disconnect the coolant hoses from the
turbocharger (photos).
19 Disconnect the oil feed pipe, which has a
banjo-type union (photo).
20 Disconnect the oil return pipe which runs
to the engine sump pan (photo).
21 Working underneath the car, disconnect
the exhaust manifold support bracket (photo).
22 Unbolt the exhaust manifold and lift it out
of the engine compartment, complete with
turbocharger.
23 The turbocharger may now be unbolted
from the exhaust manifold (photo).
24 Refitting is a reversal of removal, but use
new gaskets and seals throughout.
Turbocharger
(1372 cc ie engine) -
removal and refitting ¡
25 Refer to Part E of this Section for details
and remove the inlet manifold.
26 Drain the cooling system as described in
Section 8 of this Chapter.
27 Unscrew the union bolt and disconnect
the oil supply pipe from the turbocharger.
28 Loosen off the securing clip and detach
the air hose from the turbocharger filter.
29 Raise and support the car at the front end
on axle stands.
30 Working from underneath the car, unscrew
the downpipe-to-exhaust system joint nuts
then unscrew the retaining nuts and detach
the exhaust downpipe from the turbocharger
outlet flange. Remove the downpipe.
Supplement: Revisions and information on later models 13•83
9F.18A Releasing turbocharger coolant
inlet union (arrowed)
9F.17 Releasing turbocharger air hose clip9F.16B Unscrewing turbocharger-to-
exhaust manifold nut
Fig. 13.64 Turbocharger oil supply pipe
connection (arrowed) (Sec 9F)
9F.23 Exhaust manifold bolts
9F.21 Exhaust manifold support bracket9F.20 Turbocharger oil return pipe at sump9F.19 Turbocharging oil feed pipe
9F.18B Turbocharger connections
1 Exhaust connecting nut
2 Oil return hose 3 Coolant pipe union
13
Fig. 13.65 Detach the air hose from the
Turbocharger (arrowed) (Sec 9F)