Spark Plug - Installation

4.0L






CAUTION: Start each spark plug by hand to avoid cross threading and plug damage, use a quality socket with a rubber insert and start each spark plug into the cylinder head by hand.

1. Tighten spark plugs to 27 Nm (20 ft. lbs.).
2. Install ignition coil (3) and bolt (2).
3. Tighten bolt to 8 Nm (71 in. lbs.).
4. Connect electrical connector (1) to ignition coil (3).
5. Install intake manifold, Intake Manifold - Installation.
6. Install engine cover.
7. Connect negative battery cable and tighten nut to 5 Nm (45 in. lbs.).