John Deere — Remove and Install Coolant Temperature Sensor
Maintenance · Engine coolant temperature (ECT) sensor
From a John Deere service manual — check it applies to your exact model before use.
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Procedure
- Disconnect coolant temperature sensor wiring connector and remove sensor from thermostat housing.
- Coat sensor O-ring with JDT405 High Temperature Grease and install sensor in thermostat housing; tighten to specification.
- Install sensor wiring connector.
Specs & values
- Coolant Temperature Sensor—Torque 10 N·m (7.5 lb-ft)
Source: John Deere service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.