Fav 900
Engine / Cooling
Removing and refitting the thermostatic valve
G
Repair
Fav 900 chassis number 23/3001and up
09.02.2001
2050 000002
G
a
1/1
Capitel Docu-No.
Index
Date Version
Page
Removing and refitting the thermostatic valve
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PMTAB_Picture
Removing the thermostatic valve
● Drain coolant, chapter G 2050 Reg G
Disconnect coolant hose from thermostatic valve.
Unscrew and remove the two screws (SW) and
remove thermostat housing.
PMTAB_Picture
Remove thermostatic valve.
Check correct operation of thermostat as
following:
● Place thermostatic valve in pot filled with water
● Heat water
● Measure opening temperature with an
adequate thermometer
● Measure opening distance
Replace faulty thermostatic valve
PMTAB_Picture
Refitting thermostatic valve
Fit thermostatic valve with new O-seal "ensuring
that the ball valve is pointing upwards" (TOP).
Note:
Never run engine without a thermostatic valve
or bybass inserts.
Fit thermostat housing cover, insert screws and
tighten. attach feed hose to radiator. Fill up with
coolant.
PMTAB_Picture
Replacing temperature sensor
Disconnect connections
Unscrew temperature sensor from coolant pipe.
Screw in temperature sensor using "Loctite 648"
and tighten to specified torque.
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