4
9929399 R01 - 2018-2019 RANGER XP/ CREW 900/1000 Service Manual
© Copyright Polaris Industries Inc.
4.29
ECT SENSOR REPLACEMENT
1. Lift the rear cargo box to the raised position.
2. Drain the coolant so the level is below the sensor.
Refer to “Coolant Drain / Fill”page 2.23
procedure..
3. Remove the fuel line from fuel rail. Refer to “Fuel
Line Removal / Installation”page 4.14 procedure.
4. Disconnect the vehicle harness from the ECT sensor.
5. Using a wrench, loosen and remove ECT sensor
from engine.
6. Apply thread sealant to the new sensor threads and
install it into the cylinder head.
7. Torque the new ECT sensor to specification and
connect the vehicle harness to the sensor.
TORQUE
ECT Sensor:
17 lb-ft (23 Nm)
8. Reconnect the fuel line to the fuel rail.
9. Add the required amount of coolant and bleed the
system. Refer to “Cooling System Bleeding
Procedure”page 3.110.
FUEL SYSTEM
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