COIL, Ignition: Installation: 3.7L

2011 Jeep Liberty Renegade, Part TimeSECTION 3.7L
Fig 1: Ignition Coil, Spark Plug Wire, Rubber Boot & Spark Plug
GC0082812Courtesy of CHRYSLER LLC
  1. Using compressed air, blow out any dirt or contaminants from around top of spark plug.
  2. Check the condition of the coil rubber boot (4). To aid in coil installation, apply silicone based grease such as Mopar® Dielectric Grease # J8126688 into the spark plug end of the rubber boot (4) and to the top of the spark plug (5).
    Fig 2: Locating Ignition Coils
    GC0087612Courtesy of CHRYSLER LLC
  3. Position the ignition coil assembly (1) into the cylinder head opening. Using a twisting action, push the ignition coil assembly onto the spark plug.
  4. Install coil mounting bolt. Tighten to 8 N.m (70 in.lbs).
  5. Connect the electrical connector to the ignition coil assembly (1) by snapping into position.
  6. Install the spark plug wires (3).
  7. If necessary, install the throttle body air intake tube, or intake air box.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.