Fuel System - Fiat Bravo Service Manual

Bravo-Brava
Technical data
Engine: cooling system - fuel system
OO.io
COOLING SYSTEM
l^m^y |^g|
l w
jffi^iev
20V
Cooling circuit
coolant circulation via centi, radiator, expansion
tank and electric fan operated by thermostatic
switch
Water pump operation through belt
a
a
Thermal
switch
to engage
fan (•)
1 st stage
90° -5- 94°C
2nd stage 95° - 99°C (•)
stop
1 st stage
85° + 89°C
2nd stage 90° - 94°C ( • )
opening
81° -5- 85°C
Engine coolant
thermostat
max opening
101°-M05°C 99°-103°C
valve travel
9,5 mm
98°-102°C
>7,5 mm
101°-M05
e
C
9,5 mm
Fitting clearance between
impeller vanes and pump casing
*£
0,3+1,1 mm
Press, for checking rad. water tightness 0,98 bar
Pressure for checking calibration of
exhaust spring on expansion tank cap
0,98 bar
( • ) For versions with air conditioning
(*) For the 1747 16v version the electric fan is operated by the control unit
FUEL SYSTEM
Type
Pump
Capacity
Fuel pressure regulator setting
Bosch
Mononnotronic
SPI integrated
electronic
injection/
ignition
Weber-Marelli
I.A.W
MPI integrated
electronic
injection/
ignition
HITACHI
MPI integrated
electronic
injection/
ignition
Bosch Motronic
integrated
electronic
injection
/ignition
Motronic
Electrical, immersed in tank
> 1 2 0 l / h
1 bar 3 bar
CHECKING IDLE CONCENTRATION OF
POLLUTANT EMISSIONS
Upstream of the catalytic converter
Downstream of the catalytic converter
CO (%)
0,4 - 1
^0,35
HC (p.p.m.)
^ 6 0 0
^ 9 0
C0
2
(%)
> 1 2
> 1 3
Copyright by Fiat Auto
27