How to change spark plugs in a 2000 Ford Expedition

To replace the valve cover gasket shouldn't be that expensive. Although those cars are known for blown head gaskets, so I would have them look carefully at the back of the engine for an oil leak. If it is leaking oil out of the head, it is only a matter of time before the head gasket will be pushing anti-freeze. Please rate my answer so I get points for it.

This is a very tough question. It will completely depend on where you take the car, what all you have done in the tune up, and what kind of parts are used. For an example. You can buy oil for $.99 a quart for cheap motor oil all the way up to $16. a quart on the oil change. Then on the tune up. Spark plugs, wires, transmission fluid and filter, greasing front end, changing differential oil, etc. That is going to depend on what parts you use also and how much you want to have done. And the same with a brake job. You can buy cheap pads for $30 or top of the line one's for around $200. So it is going to depend on what exactly you want done and how much you want to spend. Also where you take the car also. A dealership is going to be at least 15-20% higher than somewhere like Pep-Boys.

depending on what engine you have, the labor is 1.6 for the 3.0 v6 and 2.2 for the 3.5 v6. assume most shops charge $90 a hour for labor plus tax you're lookig at between 170 and 200 just for labor then plugs from mitsubishi are $13.73 retail, but aftermarket platinum plugs are a lot less, like $8 each. so depending on what plugs between 35 and 85. so unless you are wanting to do it yourself you are looking at between 200-250 for the 3.0 v6 or 230-290 for the 3.5 v6. if you are local i woudl do the job for way less : )

I had mine done in local repair shop in the UK using Jag parts came in well under $600 pads only (not rotors). At your price i'd do it myself. I have put the details for 2003 X Type up on my website http://www.blujag.co.uk/frontpad.php its rough and ready but hope it helps. Jag recomend use of special service tools 206-080 caliper piston retractor and 303-588 damper remover ,