The rear are the hardest, yet I can change them all in about 15 minutes. Just remove the ignition coil brackets, lift the unit up and out of the way. Make sure you mark what wires go where I get the firing order.
Then reach back and pull the ignition wires off the spark plugs. Use an extension bar and spark plug socket to remove the spark plugs. One at a time....
Install in order and your done. Reinstall ignition coil and you just save around 280.00 :)How do I change the spark plugs on a 1994 Chevy Corsica?All you need to do is find your spark plug wires and follow them to the engine. Pop them off one at a time and use a deep well socket (probably 5/8) and a ratchet (you might also need an extention) to take the plugs out. You'll need to check your spark plug gap before putting the new ones in, you can get the little tool at the auto parts store (just ask), and they might even be able to tell you there what the gap needs to be. Be sure you put the new plug in (tighten until just snug, don't crank the crap out of it) and replace the wire (use a little dielectric grease inside where the wire fits over the plug) before moving onto the next or you may get them mixed up and your firing order will be screwed up, therefore your car won't run.How do I change the spark plugs on a 1994 Chevy Corsica?go get you a rachet socket set make sure that you get an extended bar so you can reach the spark plugs do it yourself it's not hard and you can borrow the tools and that way all you have in it is the cost of the plugs and a little bit of your time.How do I change the spark plugs on a 1994 Chevy Corsica?Yes I've heard it's called the three plug tune up, because you have to be a contortionist to change the rear plugs......it's done from under the car reaching up between the firewall...$300 is probably a good deal...........
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