Ignition Coil: Service and Repair

COIL - IGNITION

REMOVAL [3.7L]






1. Depending on which coil is being removed, the throttle body air intake tube or intake box may need to be removed to gain access to coil.
2. Disconnect coil electrical connector(s).
3. Clean area at base of coil with compressed air before removal.
4. Remove coil mounting bolt (3).
5. Disconnect spark plug wire (1) from coil (2).
6. Carefully pull up coil (2) from cylinder head opening with a slight twisting action.
7. Remove coil from vehicle.

INSTALLATION [3.7L]






1. Using compressed air, blow out any dirt or contaminants from around top of spark plug.
2. Check condition of coil O-ring and replace as necessary. To aid in coil installation, apply silicone to coil O-ring.
3. Position ignition coil (2) into cylinder head opening and push onto spark plug.
4. Tighten coil mounting bolt to 12 N.m (106 in.lbs).
5. Connect coil electrical connector.
6. Connect spark plug wires.
7. If necessary, install throttle body air tube.