How to Change Spark PlugsWhen I was a teenager, my father taught me to work on cars. This included an oil change and an engine rebuild. In these step by step instructions I will tell you how to change spark plugs in most model vehicles. You will find the list of tools needed to do the job, along with the various types of candles. It will list the steps to remove the spark plug and reinstall it. Along with all the security risks that might be involved in the process. The following tools will be needed. It is best to use a complete socket set or one that has a wide range of socket sizes. This will avoid having to purchase just one tool. Having all the tools available makes the job easier. You may need to use a penetrating oil. A tool will be used to separate the spark plugs, depending on the type of spark plug purchased. In case some candles are too difficult to remove. You may need a pair of standard pliers to remove the spark plug wires from the spark plug. We may also need a short piece of pipe, known to most mechanics, as a cheater bar. Another item I always use is a clean rag. This is not always a necessary tool. In my past experience, this has been very helpful in cleaning the blood off my hand after slamming it into the vehicle while trying to remove a plug. This sometimes happens when trying to remove candles from tight spaces. We have explained the tools needed to do this job. Let's now talk about the various types of candles. I personally recommend those that do not require the use of a candle opening tool. Opening candles is a time-consuming task that you may need to do before you begin. There are also spark plugs that don't need to be removed... paper means... remember that the clean rag was to wipe the blood off your hand when you slam it into another part of the vehicle. We don't want this to happen. It makes a mess and it's not very pleasant. As mentioned in the previous steps to remove the plug. The cheat bar may be necessary and helps prevent banged hands. Place the cheater bar over the socket wrench handle. This allows your hand to be out of the way and also provides leverage for removing the plug. Once the plug is loosened, the cheater bar can be removed. Now follow the same steps as before for removing and installing the spark plug and spark plug wire. We have discussed how to change spark plugs in most vehicles. The tools needed to do the job and some recommended just for your safety. Consider these steps to make this process less stressful.