Engine Coolant Temperature Gauge Unit Check

Drain the engine coolant. .)
Remove the engine coolant temperature gauge unit.
Put water temperature gauge unit into the hot water in specified temperature, and ensure that basic resistance is within standard value.
1. Standard value: 70°C (150°F) 104 +/- 13.5 ohm
Fig 1: Engine Coolant Temperature Gauge Unit Reference Value Table
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.

Fig 2: Putting Water Temperature Gauge Unit Into Hot Water
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
After inspection, apply specified sealant at threads of water temperature gauge unit, and tighten to the specified torque.
Semi-drying sealant: 3M(tm) ADD part No. 8731 or equivalent
Add engine coolant. .)

Fig 3: Applying Sealant On Threads Of Water Temperature Gauge Unit
Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.