1999 ford expedition - needs a timing belt, but mechanics keep telling me that it has a chain and not a belt. I just need it done and want to know stuff like - how much time it takes, how much it cost's, is it a belt or chain? etc.

sounds like you need to call a good local mechanic . timing chain /belt needs help

There are no Ford V-8 Engines that have timing belts. The engine will have a timing chain.

None of the engines in a Ford Taurus use a Timing Belt. They use a timing chain that should last the life of the engine. There is no service interval for a timing chain.

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yes they have a timing belt

if you need it changed I seriously suggest that you take it to a reputable mechanic, especially if it's already broken. If the intake and exhaust valves are not in the right position when the piston is TDC, it will cause extensive damage.

Its possible that you need any valve adjust? Check it and tell us news.

water pump is not mileage related, but failure replace. the belt is milegae replace, usually between 60 and 100 k.

your engine has a timing belt not a chain and the water pump is run by the timing belt,and when the pump is changed the belt should be too,it should run you about $300 if the job is done right with the pump,belt,idlers and tensioner if needed,hope this helps

v8s have timing chains

Dont know for pos, but almost all new cars have timming belts. except for v8s and a few v6s

I'm guessing that you Expedition has been making this noise probably since you've had it? Even if it hasn't, I think I can bring you some comfort. If you could pinpoint where the noise was coming from under the hood, would you say that it's somewhere over on the passenger side? My dad owns a 1998 Ford Eddie Bauer Expedition, and we noticed a loud noise with the same habits as what you're describing. Come to find out, there is an air compressor under the hood, I can't remember exactly what it's for, but the sound that I believe you're hearing is the compressor filling up with air and then shutting off once the proper amount of pressure is reached. You might try popping the hood to try to locate the exact place that it's coming from, but I can tell you that it's probably a 99% chance that when you find your noise, you'll find the compressor I'm referring to. Hope this proves to solve your issue and helps to ease your worries. Have a wonderful evening!

James