Impala V6-3.9L (2007)
1. Coat the threads of the ECT sensor with sealer GM P/N 13246004 (Canadian P/N 10953480) or equivalent.
Notice: Refer to Fastener Notice.
2. Install the ECT sensor.
Tighten the ECT sensor to 20 N.m (15 lb ft).
3. Connect the ECT electrical connector.
4. Install the exhaust crossover pipe.
5. Install the intake manifold cover, if necessary.
6. Fill the cooling system. Refer to Draining and Filling Cooling System (9C1, 9C3 Static Fill) Draining and Filling Cooling System (LS4 GE 47716
Fill) Draining and Filling Cooling System (LS4 Static Fill) Draining and Filling Cooling System (LZE, LZ4, LZ8, 9C1, 9C3, GE47716 Fill)
Draining and Filling Cooling System (LZE, LZ4, LZ8 Static Fill).
