Express 2500 2WD V8-4.8L VIN V (2004)
-
For used heads tighten the spark plugs to 15 Nm (11 lb ft).
-
For new aluminum heads tighten the spark plugs to 20 Nm (15 lb ft).
-
For new iron heads, tighten the spark plugs to 30 Nm (22 lb ft).
4. Install the spark plug wires.