Engine Coolant Temperature Gauge Sending Unit Check
ENGINE COOLANT TEMPERATURE GAUGE SIMPLE CHECK
ENGINE COOLANT TEMPERATURE GAUGE UNIT CHECK
To check, remove engine coolant temperature gauge unit from the thermostat housing.
Engine Coolant Temperature Gauge Unit Resistance
Engine Coolant Temperature Gauge Unit Inspection:
1. Immerse unit in 70°C (158°F) water to measure resistance.
Standard value: 104 ± 13.5 ohms
2. If within the standard value, the sensor is OK. Re-install it, then check the engine coolant temperature gauge. If not within the standard value, replace it.
3. After checking, apply the specified sealant around the thread of engine coolant temperature gauge unit and install on the thermostat housing.
Specified sealant:
3M Nut Locking Part No.4171 or equivalent