Avalanche 2500 4WD V8-8.1L VIN G (2003)
8. Position the EGR (2).
9. Install a NEW EGR pipe gasket.
10. Install the EGR pipe bracket bolt (4).
Tighten the bolt to 50 Nm (37 ft. lbs.).
11. Install the EGR pipe nuts (5) to the exhaust manifold.
Tighten the nuts to 30 Nm (22 ft. lbs.).
12. Install the spark plugs.
13. Coat the threads of the sensor with sealant GM P/N 12346004 (Canadian P/N 10953480), or equivalent.
14. Install the ECT sensor. Tighten Tighten the sensor to 20 Nm (15 ft. lbs.).
Important: Fully install the spark plug wires by pushing on the exposed end of the spark plug boot. Do not push the spark plug wire on to the spark
plug by using the metal heat shield.
