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Home >> Pontiac >> 1999 >> Grand Prix V6-3.8L SC VIN 1 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> 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

NOTE: Refer to Fastener Notice in Cautions and Notices.

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 N.m (22 lb ft).

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