The coil of ignition is one of the most sensitive parts of the ignition system. It conducts the function of delivering an electric charge to the plugs. If the ignition coil is not working in a good way it might affect the engine functioning and lead to poor acceleration. It may cause difficulty in starting your engine. Thus, one needs to replace the faulty ignition coil with a new one to resolve these issues. Changing an ignition coil is no big deal, it can easily be replaced by anyone.

Materials needed:

To change an ignition coil of the following materials would be needed:

  • Coil pack replacement
  • User’s manual
  • Service’s manual
  • Screwdrivers
  • Wrenches
  • Ratchet set
  • Socket set
  • Rubber gloves
  • Dielectric grease

Cutting of power:

Cutting off the power from the car’s battery before changing the ignition coil is a necessary thing. As mentioned earlier the ignition coil delivers current to plugs from the car’s battery. When the coil gets in touched a metal, it might result in a short circuit. Unscrew the bolt on the “cramp” of the -ve battery terminal.

Location of ignition coils:

They are generally present on the top engine surface. If you contain a distributor, follow the wire of the distributor to reach out to ignition coils.

If your vehicle coil packs, you can lead to the ignition coil which will be present along with the cover of the valve. Some cars have a coil on plug ignition coils, which contains the ignition coils above each spark plug.

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Labeling the cables:

There exist cars that have ignition coils that conduct electricity to “multiple cylinders”. In such type of cars, there are ignition cables that provide electric current to every spark plug inside the cylinder. When you want to change the ignition coil, you better preserve the order of ignition cables.

Mark the cables from left to right with a permanent marker. Some cars possess two rows of these cables, start at the top row and move from the left towards right. Then go on from the leftmost row of the bottom line. Remember the order because you would need to reconnect them in the exact same order after the new ignition coil insertion.

Disunite the ignition cables:

Keep the ignition cables near the coil. Clutch them in a firm manner. Drag the knack of the ignition cable from the coils. Then carefully press the cables to avoid breaking them. Tie the ignition cables together.

Removing coil:

Inspect the coil sidewise, you might observe an electric plug. Push the clip that connects the plug to the coil. Stretch the electrical plugs in reverse, disconnecting the connector of electricity from the coil.

Untie the screws and bolts of the coil. Most cars contain four bolts structure. A socket wrench is a way better option when you won’t loosen the bolts.

Pull the top of the coil and take it out. If pulling the coil isn’t so convenient. Then check for the bolts & screws clearly, you might have left any.

Insert the New Ignition Coil:

Administer a dielectric slick on the inner side of the coil on plug coil’s end. This keeps the ignition cable from holding to the spark plugs. It prevents the connection from H2O and moisture.

Then go for inserting the coil into the free slot. Screw the bolts again. Always begin tightening them with hands to avoid cross-threading.

Reconnect all the electrical circuits aside from the coil. Reunite the cables by the order of labeling.  It would probably make a popping sound which indicates that connection is fine.

Reconnecting the battery:

Begin reconnecting the battery by connecting the cables to the negative ends. Go for tightening the screws. Start the engine to ensure if the engine is working properly.

We assume this article was useful to you. and now you will not face any difficulty in changing your ignition coil yourself at home.