2002 Ford Expedition Over heating

2002 FORD EXPEDITION
400,008 MILES • 4.6L • V8 • 2WD • AUTOMATIC
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STEVENSANFORD
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I have a ford expedition 2002 4.6 two wheel drive it started to run hot one day and it would go up to hot and go back to cold all in a matter of min well it done that for a few days and just stopped and but I changed the thermostat any way and like I said it quit but it started back after I took it on a 4 hr trip and o done fine up their and 4 hrs back but when I got back the next day it starts to do it again so I took the thermostat out and it just barley helped it but it still was doing it and the whole time it had coo lent I'm it I don't know ways the prob I think my water pump may b going out? Or wat
Aug 1, 2015 at 2:41 PM
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HMAC300
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check radiator for cold spots wen hot if it has any it's bad then have coolant system pressure checked for internal leaks.
Aug 3, 2015 at 7:55 AM
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STEVENSANFORD
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Will a blowed head gasket make it do that to go to hot then back to cold
Aug 3, 2015 at 10:06 AM
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HMAC300
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most of the time no but have it checked anyhow. I doubt it 's a water pump. it could be a cooling fan if you have an electric one . it may not be working so check fuses and relays under hood for it.
Aug 3, 2015 at 10:15 AM
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STEVENSANFORD
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I have seen the fan kick on and off so I don't think it's the fan
Aug 3, 2015 at 12:21 PM
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HMAC300
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check what I said then the radiator
Aug 3, 2015 at 12:54 PM