Spark Plug: Installation: 3.7L
WARNING: This page is about a different car, the 2009 Dodge Durango and 2009 Chrysler Aspen. However, it is still accessible from the selected car via links, so may be relevant.
- Check and adjust the spark plug gap with a gap gauging tool (1). See Electrical - Ignition Control/Ignition Control - Specifications
- Start the spark plug into the cylinder head by hand to avoid cross threading.
- Tighten the spark plugs to 27 N.m (20 ft. lbs.).
- Before installing the ignition coil (1), check the condition of the coil O-ring and replace as necessary. Apply silicone based grease such as Mopar® Dielectric Grease into the spark plug end of the rubber boot, coil O-rings and to the top of spark plugs.
- Install the ignition coil (1). See Electrical - Ignition Control/Ignition Control/COIL, Ignition - Installation
- Install all the necessary air filter tubing and air intake components at the top of the engine and at the throttle body.