2007 Ford Expedition

That sounds like something only that dealer does. Have you asked them to describe what it is?

That doesn't sound right to me. To clean the "valves" either they ran a cleaner through the engine which should be no where new that price, or the had to remove the heads to clean them which is not part of a tune up and would be much more expensive.

Honestly, on your vehicle, there really isn't much to a tune up. Plugs (wires if it doesn't have a coil pack for each cylender) air filter if needed, PCV valve, Fuel filter. Unlike the old days, you don't have a distributor cap, rotor.

I'm not allowed to recommend because then people think we get paid from them, and we don't. Any of the nationally recognized shops are usually good. However, if you want, I can try to direct you as to how to do it. If you don't feel comfortable, before the shop you pick does anything, let me know what they tell you. I have no interest other than helping you. Therefore, I will be honest.

You let me know and take care of yourself.

Joe

Basically, all they are going to do is replace spark plugs. Each cylender has one. At the top of the valve cover is a coil pack for each spark plug. Remove one coil pack at a time and then, carefully, remove the spark plug which is down in the valve cover.

When you get the new plugs at the parts store, have them show you how to gap them and what the gap should be. It is easy to do, but will take 2 pages to explaine how.

Replace the plug, reinstall the coil pack making sure the rubber boot snaps on to the new plug and replace the coil pack bolt. It is tight in the rear of the engine, so be careful not to break a plug when removing it.

Let me know if you run into trouble. Also, check the air filter and you may want to consider replacing the fuel filter.

There is one bolt that holds them in place. Remove the wiring first, then the bolt, then they will pull out.

Allow the engine to cool down completely so you don't get burned on anything. As far as coil removal, if you feel it's needed, use a penetrating oil on the one bolt that holds the coil on. Something like WD40 or PB Blaster will help the bolt come out easier.

Sorry about that. The only thing I can tell you is to be careful not to break them. As you already know, there has been a problem with removal. There is a special tool that has been made. I haven't had a need for it yet, so I can't say that I have seen one. It it's a 100+ dollar tool, so I'll get it when I need it. As far as spraying anything, same thing. Any penetrating oil can't hurt. Just try to clean the area out once the plug is removed.

You should be able to just pull it out, but they have had issues with the plugs breaking. Just be careful.