Temperature Sensor (Gauge): Service and Repair

DISASSEMBLY
1. Drain the coolant down to sensor level or below.
2. Disconnect the battery ground cable and disconnect the engine harness connector from the sender & sensor.
3. Remove the sender & sensor


INSPECTION



1. Heat the Engine coolant temperature gauge by submerging it in hot engine coolant. Check that the resistance is within the specified range.

Resistance:
At 70°C (158°F): 90.5 - 117.5 Ohms
At 115°C (239°F): 21.3 - 36.3 Ohms

REASSEMBLY



1. Apply sealant to the threaded portion and tighten to the specified torque.

Coolant temperature sender: 10 - 12 Nm ( 100 - 120 kg.cm, 7 - 9 ft. lbs.)

2. Connect the harness connector to the Coolant temperature sender and Coolant temperature sensor.
3. Connect the battery to ground cable.
4. Refill the system with clean coolant.