How Do You Change Spark Plugs In A Car?
• Expect spark-plug work to be tedious. If this is your first time, plan 3 or 4 hours after engine cools (or 1 hour on several days), allowing 15 minutes per plug. It is harder than changing air filters, fixing flat tires, or starting a mower. • Consult your vehicle’s manual. Look up where your spark plugs are, how many you have, the correct “gap”, and the size socket needed to remove them. Also write down the vehicle’s make, model, and year. The gap can also be found on the emissions label under the hood. • Visit your local auto parts store. Find (either by looking up in the provided reference book or by asking an employee) the correct spark plugs for your vehicle. The store also has socket wrenches, plus spark-plug sockets (with gasket), and socket-extension rods or swivel-joints to reach recessed plugs. • Find out (from the reference book, the packaging, or the employee) if these spark plugs need to be “gapped”. Some modern plugs should not be gapped (but others can have different g
