Fiat 1998 Marea Weekend, Service Manual

Page: 323 / 846

Marea-Marea Weekend®
99 update
m
lev
Engine
Fuel system
10.
BUTTERFLY CASING
NOTE The butterfly casing and the flow me-
ter are incorporated in a single unit.
Removing-refitting
Proceed with the removal of the butterfly
casing, as follows:
- remove the inlet hose from the butterfly
casing, loosening the retaining bands;
-remove the accelerator cable (1), com-
pletely undoing the connector on the ad-
justment bracket and releasing the cable
from the lever on the butterfly casing;
- disconnect the electrical connectors from
the butterfly position sensor (2), the idle
adjustment solenoid valve (3) and the air
flow meter (4);
- remove both connecting pipes from the
PCV valve;
- undo the four bolts (arrow) fixing the but-
terfly casing to the inlet manifold;
- remove the coolant connecting pipes from
the inlet and outlet pipes, sealing them
suitably.
NOTE Do not remove the layer of molybdenum
disulphide applied to the edge of the
butterfly.
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