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Aug 30, 2024 · Once the first spark plug is out, replace it with a new spark plug, making sure it's the same plug or whatever is listed in your owner's manual. Finally, reattach the wire plug and repeat with the rest of the spark plugs. To learn how to tell if you need to replace your spark plugs, keep reading!
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- SAFETY FIRST. Park your vehicle on a flat, dry surface and ensure the engine is cool. Clean the engine area of any dirt and debris to prevent anything from falling into the engine cylinder during spark plug replacement.
- REMOVE THE SPARK PLUG WIRE. First, remove any interference items. If your vehicle requires removal of the upper intake plenum, a new gasket will be needed.
- REMOVE THE COIL ON PLUG (COP) COP designed coils attach directly to the spark plug end and use a long rubber insulator boot. Start the removal process by disconnecting the electrical connector from the ignition coil.
- UNSCREW THE SPARK PLUG. Be sure the engine is cooled off. Use a spark plug socket to remove the spark plugs. Avoid thread damage by following these suggested steps.
Learn how to replace spark plugs, inspect spark plugs, gap spark plugs, figure out what spark plugs are best for your car and where to use antiseize and dielectric grease. I cover every...
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- Why Do Spark Plugs Need to Be Changed? When a spark jumps the gap between two electrodes, it actually burns off (erodes) small amounts of metal from each one.
- When to Check & Change a Spark Plug. Not all spark plugs are rated for 100,000 miles. In fact, some carmakers recommend replacement at 30,000-mile intervals.
- Signs of a Bad Spark Plug. Unlike manufacturers’ guidelines for oil changes, which are overly cautious, the recommendations for how often to change spark plugs tend to be overly optimistic.
- Do it Yourself or Take it to a Pro? The answer depends on the type of engine in your vehicle. Some V-6 models require removing portions of the intake manifold to replace the park plugs.
READ these instructions completely before you begin: Purchase new plugs that are the right size and heat range for your specific engine (consult a spark plug manufacturer's guide). Never rely on cross-references. NAPA representatives can help you find the right spark plugs. Remove the spark plugs
Feb 25, 2016 · How to Change Spark Plugs. Locate the spark plugs - The spark plugs are threaded into the cylinder head and sit underneath the coil pack or plug wire boot. If you are having a difficult time locating the plugs, a repair manual for your vehicle is helpful. Many repair manuals can be obtained for free online through Autozone.
Feb 24, 2023 · The first step in changing your spark plugs is to consult your car owner’s manual to find the location of the spark plugs. The location of the spark plugs can vary depending on the make and model of your car, so it’s important to refer to the manual to find the correct location.
