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Engine Coolant Temperature Gauge Unit Check

  1. Drain the engine coolant. (Refer to ENGINE COOLANT .)
  2. Remove the engine coolant temperature gauge unit.
  3. Put the water temperature gauge unit into the hot water in specified temperature, and ensure the resistance is within standard value.

    Standard value: 70 ° C (150 °F) 104 +/- 13.5 ohm Reference value: 

    TEMPERATURE SPECIFICATION

    Temperature Resistance Ω
    50° C (122° F) 230 +/- 23
    60° C (140° F) 155 +/- 15.5
    80° C (176° F) 73 +/- 7.3
    Fig 1: Checking Engine Coolant Temperature Gauge Unit
    G04298372Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  4. After inspection, apply specified sealant at threads of water temperature gauge unit, and tighten to the specified torque.

    Semi-drying sealant: 3M™ AAD part No.2310 or equivalent 

  5. Refill coolant. (Refer to ENGINE COOLANT .)
    Fig 2: Applying Specified Sealant At Threads
    G04298373Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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