Silverado 1500 2WD V6-4.3L VIN X (2004)
7. Connect the ECT sensor electrical connector (5).
8. Install the spark plugs.
Tighten the plugs to 15 Nm (11 ft. lbs.).
9. Position the wire harness to the engine.
10. Install the spark plug wire retainer bolts.
Tighten the bolts to 12 Nm (106 inch lbs.).
11. Connect the spark plug wires to the spark plugs.
12. Raise the vehicle.
13. Install the exhaust manifold pipe nuts.
Tighten the nuts to 50 Nm (37 ft. lbs.).
14. Lower the vehicle.
