Spark Plug: Installation: 3.7L
Courtesy of CHRYSLER LLC
- Check and adjust the spark plug gap with a gap gauging tool (1). See 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.).
Courtesy of CHRYSLER LLC
- 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 Installation
- Install all the necessary air filter tubing and air intake components at the top of the engine and at the throttle body.