Removal Procedure
Notice: Use care when handling the coolant sensor. Damage to the coolant sensor
will affect the operation of the fuel control system.
- Drain the coolant to a level below the engine coolant temperature (ECT) sensor. Refer to
Cooling System Draining and Filling
.
- Disconnect the engine wiring harness electrical connector(s) (1) from the appropriate ECT sensor (s).
- Remove the appropriate ECT sensor(s) (1).
Installation Procedure
Notice: Use care when handling the coolant sensor. Damage to the coolant sensor
will affect the operation of the fuel control system.
- If installing the old sensor(s), coat the threads with sealant GM P/N 12346004 (Canadian P/N 10953480),
or equivalent.
Notice: Refer to Fastener Notice in the Preface section.
- Install the appropriate ECT sensor(s) (1).
Tighten
Tighten the sensor(s) to 20 N·m (15 lb ft).
- Connect the engine wiring harness electrical connector(s) (1) to the appropriate ECT sensor(s).
- Fill the cooling system, if necessary. Refer to
Cooling System Draining and Filling
.
- Install the generator . Refer to
Generator Replacement
.