TrailBlazer 2WD L6-4.2L VIN S (2003)
operation of the component. Use the correct torque specification when installing components in order to avoid damage.
1. If installing the original sensor or a new sensor without sealant, apply thread sealer P/N 12346004 or equivalent.
2. Install the ECT sensor.
NOTE: Refer to Fastener Notice in Service Precautions.
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.
5. Connect the negative battery terminal.
6. Refill the engine coolant. Refer to Draining and Filling Cooling System (Body Vin Code 6)Draining and Filling Cooling System (Body Vin Code
3) in Cooling System.
