Montero XLS 4WD V6-3.5L SOHC (2001)
Temperature Sensor (Gauge): Testing and Inspection
1. Drain the engine coolant.
2. Remove the engine coolant temperature gauge unit.
3. Immerse the unit in 70 °C (150 °F) water to measure the resistance.
Standard value: 104 ± 13.5 ohms.
4. If within the standard value, the sensor is OK. Reinstall it, then check the engine coolant temperature gauge. If not within the standard value,
replace it.
5. After checking, apply the 3M(TM) AAD part number 8731, Locktite (R)242 Blue Service Tool Removable 2400 or equivalent around the threads
of the engine coolant temperature gauge unit.
6. Add engine coolant.
