![]() ![]() The following things may also be useful in the process: 1. After that, you can safely replace your old spark plug. You will also need compressed air and/or a vacuum to blow off any dirt or debris from the engine surface to prevent it from entering the spark plug hole. What Other Materials Are Needed For Changing Spark Plugs ?Īpart from these tools, you will need a flat workspace in a well-ventilated area with plenty of light. These help space the ignition wires and prevent misfires that can affect gas mileage, oil consumption, and engine performance. Wire loom spacers are meant to prevent arcing-to-ground and cross-firing in ignition systems that use a spark plug wire to carry the current. You can refer to your manufacturer’s manual and tighten the new plug set using the spark plug wrench. ![]() This is where a torque wrench comes in handy. Overly tightening the plugs with the spark plug wrench can destroy the cylinder head, while loose plugs can just come off after a few uses. Torque WrenchĪ new spark plug needs to have proper torque in order to avoid engine damage and other problems. Unlike a spark plug gauge, a feeler gauge can handle delicate metals like iridium spark plugs. You can also use a feeler gauge for a more accurate spark plug gap estimate. Then slide the spark plug gauge carefully towards the recommended specification mark on the gauge and adjust the electrodes accordingly. The spark plug gauge helps to gap the plugs outwards or inwards to achieve the correct gap as per the specifications.Īll you need to do is insert the spark plug gap gauge between the center and ground electrodes. ![]() When selecting a spark plug gap tool, you can either get a spark plug gap gauge, or a feeler gauge. The spark plug gap is very crucial to keep the plugs functioning, so you should definitely get a spark plug gap tool. It is also surrounded by some spark plug wire, so you need to handle it delicately.Ī bad spark plug boot can cause damage to the cylinder head and ignition coil.īoot puller pliers have a long tip that can gently pull the spark plug boot without damaging any spark plug wire. The boot can get stuck to the old plug after a while. The spark plug’s ‘boot’ connects the ignition coil to the spark plug in modern COP systems. You can even use a flexible handle ratchet to rotate the spark plugs in combination with a swivel socket wrench. If a swivel socket doesn’t work, you can try using a handle ratchet. Modern engines often place their spark plugs in very tight and compact spaces. ![]() This prevents dirt and debris from getting into the plug hole. Note: Before removing the old spark plug, remember to blow compressed air around the ignition coil and spark plug. This spark plug socket set is ideal for plugs with a rubber insert and can handle delicate spark plug threads. An old plug can be tricky to get out sometimes, so you need an extension for your spark plug socket.Ī standard 5/8″ or 13/16″ socket wrench works for most old spark plugs.īut if you can’t find that, get a spark plug swivel socket, which can fit into tight spaces and lock in so you can get an easy spark plug replacement. To remove old spark plugs, you need a socket wrench that can twist the spark plugs inside the engine. ![]()
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