Q: How to Service and Repair an Ignition Coil for a 3.5L Engine on 2010 Dodge Challenger?
A: The Ignition coil of the 3.5L engine can be serviced by disconnecting the negative battery cable and taking out the upper intake manifold. Unplug the electrical connector of the ignition coil, and strip off the mounting bolts. Spray compressed air about the coils, spark plugs and, twist, lift and take away the ignition coil.