Complete Guide — How to Replace Ignition Coils

The ignition coil is an integral element responsible for supplying voltage to the spark plugs in each car ignition system. If there are problems in the car with a misfire, or it does not start, then this could be the cause of the failure of the ignition coils. Fortunately for the car owners, to diagnose the serviceability of these elements of the car system is simple enough and will not take much time. BMW Service New York can help you to quickly understand whether your car needs new coils or if the problem is something else.

Practice shows that if there is no spark, then the repair will be not effective. In order to repair the car replacing the ignition coil is essential. And therefore, you should go to the store and buy a new element that will be completely ready for the work. Do not contact the car service center. The whole procedure will take a maximum of half an hour. So, you need to follow such steps:

  1. Take a new ignition coil and a few wrenches. You may also need a WD-40 rescue fluid.
  2. Be sure that you disconnect the negative terminal from the battery.
  3. The wire that is going to the center covers have to be disconnected from the defective coil of ignition.
  4. Loosen the two nuts that hold the wires at the top of the coil. If after the certain time they will very rusty than you need to use the WD-40 and wait a few minutes.
  5. Be sure to label the wires that were removed and draw their position on the cover (or take a picture before removing), in order to perform the procedure without any mistake when you will mount the new element.
  6. The ignition coil is attached to the car body with a few nuts. Slacken each one a little, but not completely.
  7. Then you need to displace the coil to the side and remove from the usual place.
  8. Connect the new element in the reverse order. That`s all, work is done.

In conclusion, with an independent replacement of the ignition coil, you will spend money only on its purchase. It all depends on the model and manufacturer of your car. There is no need to contact the car service because it takes a not so much time, and the process itself is quite simple. The main thing is to diagnose the problem on time, to acquire a right element and mount it. And how to do it right, you already know.