How do i change spark plugs?

do they just unscrew and place in new ones or is it a job for the garage.How do i change spark plugs?Buy a new good quality set of plugs for the make,model and engine size of your car and the air gap between contacts are usually pre-set.

Remove each spark plug lead one at a time(so you don't get mixed up) and using a spark plug removal tool(they come in 2 sizes so make sure you have the correct size for the plugs),unscrew the old plug from the engine and replace with a new one(don't overtighten).

Replace the spark plug lead with a new one if it appears to be split,damaged or badly corroded(the electrical spark will try to run to earth rather than down into the spark plug).How do i change spark plugs?If you need to ask, then leave it to a garage. How will you set the spark gap?How do i change spark plugs?As long as you've got the right tools you can do it.



Two things to look out for, don't over-tighten the new plugs, and make a note of which HT lead goes to which plug, if you connect them in the wrong order your car won't work.How do i change spark plugs?you can do it your self. you will loose some skin off the knuckels, but, you can do it your selfHow do i change spark plugs?Basically, they do just unscrew, but it's not quite that simple.



If you've got aluminum heads, and most newer cars do, make sure the engine is COLD before removing the plugs. I usually do mine after it's sat overnight. Make sure to use anti-seize compound on the threads of the new plugs. You'll be sorry later if you dont. Use a good wire-type gapper to set the spark gap. Just because they were pre-gapped at the factory doesn't mean they weren't banged around before you got them. Do them one at a time, don't get in a hurry, and don't overtighten, and you'll do just fine.How do i change spark plugs?T change spark plugs is an easy job but if you don't know what your doing take it to a garage because if you can cross thread or strip the thread real easy. SO just take it to a garage or to someone who knows how.How do i change spark plugs?Yes they unscrew, but you need a spark plug tool to unscrew. You can get this from any car accessories shop. Ask over the counter, tell them you need a tool to unscrew and remove spark plugs. Done this loads of times. Also, in most cases you may not need to buy NEW sparkies. Have a look at the plug, if there is black soot then you may need to have a tune up. If the colouring is pale brownish, no problem.



You can brush off any debris from the plug, adjust the gap if need be and when it's clean, screw back in.



Only ever discard blackened plugs.How do i change spark plugs?you need a special wrench and also you need to mark your fireing order so your car doesn't miss or you don't screw up your car. you can do it in less than an hour. it took me 35 min to change my inline 6 spark plugs. and that's with the drive to auto zone.How do i change spark plugs?YESHow do i change spark plugs?First mark all the spark plug leads 1 to 4 or how many plugs you have got,use a spark plug spanner with a ratchet , unscrew the plugs anti clock wise , the new plugs should be pre sett .refit the new plugs the opposite way that you took the old plugs out .best of luck .