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Home >> Chevrolet >> 1987 >> Caprice Base, 4D Wagon >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Diagnosis - 700-R4 >> Description >> TCC Control Components >> Coolant Temperature Sensor
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Coolant Temperature Sensor

This sensor provides the ECM with engine coolant temperature information. The ECM will not allow TCC operation until signal from this sensor indicates a coolant temperature higher than 130°-150°F (55°-65°C).