Chery Tiggo 5 (T21). Manual — part 155
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12
a. Soak the thermostat in water, heat the water gradually
and perform inspection.
Opening temperature of thermostat is 82 ± 2°C.
Maximum lift of thermostat is no less than 8 mm.
Temperature is 103 ± 1°C when thermostat opens
fully.
b. Check that the thermostat closes when temperature is low (5°C lower than the opening temperature).
c. If above conditions are not met, replace the thermostat.
Installation
Installation is in the reverse order of removal.
RT21120140
CAUTION
As shown in the illustration, align the protrusion (1) of thermostat grommet and groove (2) of thermostat
seat during installation.
Check that coolant has been added to the specified level after installation.
RT21120150
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2
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Thermostat Seat
Removal
1. Turn off all the electrical equipment and ignition switch.
2. Disconnect the negative battery cable.
3. Remove the engine trim cover assembly (
).
4. Remove the air filter assembly and bracket (
5. Remove the ignition coil (
6. Drain the coolant (
).
7. Remove the thermostat (
).
8. Remove the thermostat seat.
a. Disconnect the coolant temperature sensor connector
(arrow).
b. Loosen the elastic clamp (1) and disconnect the
connection between thermostat seat and engine
discharge hose.
c. Loosen the elastic clamp (2) and disconnect the
connection between thermostat seat and heater inlet
pipe.
d. Loosen the elastic clamp (3) and disconnect the
connection between oil cooling pipe assembly I and
thermostat seat.
e. Remove the fixing bolt (1) from engine ground wire,
and disconnect the engine wire harness.
(Tightening torque: 7 ± 1 N·m)
f. Remove the fixing bolt (2) from engine speed sensor
bracket.
(Tightening torque: 7 ± 1 N·m)
WARNING
Always make sure engine is cold before operating cooling system.
Never open expansion tank cap or remove drain cock plug when engine is operating or cooling system
overheats. The engine coolant and steam with high-pressure and overheat may flow out and cause
serious personal injury.
If your body contacts coolant accidentally, clean it with water immediately. If it is serious, please go to
hospital.
CAUTION
Be sure to wear necessary safety equipment to prevent accidents when repairing.
Try to prevent body paint surface from being scratched during removal and installation.
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3
2
RT21120160
2
1
RT21120170
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12
g. Loosen the elastic clamp (arrow) and disconnect the
connection between small circulation outlet hose and
thermostat seat.
h. Remove 4 fixing bolts (arrow) from thermostat seat.
(Tightening torque: 8 + 3 N·m)
i. Remove the thermostat seat and thermostat seat gasket.
9. Remove the coolant temperature sensor (arrow) from the
thermostat seat.
(Tightening torque: 11 - 16 N·m)
RT21120180
RT21120190
RT21120200
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12
Installation
Installation is in the reverse order of removal.
CAUTION
Check that coolant has been added to the specified level after installation.
Replace thermostat seat gasket with a new one during installation, and the removed gasket cannot be
reused.
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