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Home >> Buick >> 1998 >> Regal V6-3.8L SC VIN 1 >> Repair and Diagnosis >> Engine, Cooling and Exhaust >> Cooling System >> Engine - Coolant Temperature Sensor/Switch >> Coolant Temperature Sensor/Switch (For Computer) >> Service and Repair
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Coolant Temperature Sensor/Switch (For Computer): Service and Repair






Removal Procedure

IMPORTANT: Care must be taken when handling engine coolant temperature sensor. Damage to the engine coolant temperature sensor will affect proper operation of the fuel injection system.

1. Disconnect the negative battery cable.
2. Drain the radiator coolant.
3. Disconnect the ECT sensor electrical connector.
4. Using a 19 mm deep well socket and an extension remove the ECT sensor.

Installation Procedure

IMPORTANT: Care must be taken when handling engine coolant temperature sensor. Damage to the engine coolant temperature sensor will affect proper operation of the fuel injection system.

1. Hand start the ECT Sensor into the engine.

Tighten
Tighten the ECT Sensor to 30 Nm (22 lb. ft.).

NOTICE: Refer to Fastener Notice in Service Precautions.

2. Connect the electrical connector.
3. Refill the radiator with coolant.
4. Connect the negative battery cable.
5. Start the engine and check for leaks.
6. Check the coolant level.
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