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Home >> Mitsubishi >> 2003 >> Montero XLS >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Combination Meters ASSY & Vehicle Speed Sensor >> On-Vehicle Service >> Engine Coolant Temperature Gauge Unit Check

Engine Coolant Temperature Gauge Unit Check

  1. Drain the engine coolant.
  2. Remove the engine coolant temperature gauge unit.
  3. Immerse the unit in 83°C (181°F) water to measure the resistance.
    Fig 1: Checking Engine Coolant Temperature Gauge Unit
    G01892507Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
    1. Standard value: 65.2 +/- 75.2 ohm. 

    Reference value 

  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.
    Fig 2: Temperature And Resistance Standard Value
    G01892506Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  5. Also check, apply the 3M(tm) AAD part number 8731, Loctite(R) 242 or equivalent around the threads of the engine coolant temperature gauge unit.
    Fig 3: Checking Engine Coolant Temperature Gauge Unit
    G01892508Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  6. Add engine coolant.
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