Silverado 1500 2WD V6-4.3L (2007)
lubricants, corrosion inhibitors, or sealants are identified in the service procedure. Some replacement components may come with these coatings already
applied. Do not use these coatings on components unless specified. These coatings can affect the final torque, which may affect the operation of the
component. Use the correct torque specification when installing components in order to avoid damage.
Notice: Use care when handling the coolant sensor. Damage to the coolant sensor will affect the operation of the fuel control system.
1. If re-installing the old sensor, coat the threads with sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent.
Notice: Refer to Fastener Notice.
2. Install the ECT sensor to the cylinder head.
Tighten the sensor to 20 N.m (15 lb ft).
3. Connect the engine wiring harness electrical connector (1) to the ECT sensor (2).
4. Fill the cooling system. Refer to Cooling System Draining and Filling (Static Fill) Cooling System Draining and Filling (Vac-N-Fill).
