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Coolant Thermosensor

  1. Remove thermosensor. Place thermosensor in container of heated coolant with thermometer.
  2. Connect ohmmeter to thermosensor terminals. Note resistance at specified temperatures. See COOLANT THERMOSENSOR RESISTANCE  table. Replace if not within specification.
COOLANT THERMOSENSOR RESISTANCE

Coolant Temperature Ohms
-4°F (-20°C) 14,580-17,820
68°F (20°C) 2210-2690
176°F (80°C) 288-352
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