Lumina V6-191 3.1L VIN T MFI (1993)
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
Engine Coolant Temperature Sensor
NOTICE: Care must be taken when handling engine coolant temperature sensor. Damage to the Engine Coolant Temperature (ECT) sensor will affect
proper operation of the fuel injection system.
REMOVE OR DISASSEMBLE
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Relieve coolant pressure.
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Remove air duct.
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Negative battery cable.
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Electrical connector.
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Carefully back out sensor.
INSTALL OR CONNECT
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Coat threads with sealer.
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Install sensor in engine. Locking tab on sensor assembly must be located within area shown in image.
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Torque to 13 Nm (10 ft lb).
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Connect electrical connector.
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Air duct.
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Connect negative battery cable.
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Refill lost coolant.
