TrailBlazer 4WD L6-4.2L VIN S (2002)
1. If installing the original sensor or a new sensor without sealant, apply thread sealer P/N 12346004 or equivalent.
NOTE: Refer to Fastener Notice in Service Precautions.
2. Install the ECT sensor.
Tighten
Tighten the ECT sensor to 16 N.m (12 lb ft).
3. Connect the ECT electrical connector (1).
4. Install the generator and the drive belt. Refer to Generator Replacement in Starting and Charging.
5. Connect the negative battery terminal.
6. Refill the engine coolant. Refer to Draining and Filling Cooling System.