v10 overheating
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Senior User
Joined: Feb 2011
Posts: 421
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From: FT. Rucker AL
I have heard it in the morning but really not during the day. Havent really paid attention to it before. But I do know what you are talking about. I dont think I have ever had my truck to 4500 rpms, maybe once or twice taking off fast. Never pulled anything over 3500lbs. THe think is it has been heating no matter what the temp outside is. The temp the other day was low 70's.
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Senior User
Joined: Feb 2011
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From: FT. Rucker AL
I live on a military post and usually only drive it a couple hundred miles a month. Between 2 to 4 hundred unless I go for a long drive. My wife drive it daily to get kids from school on post about 2 miles round trip and maybe 30 miles on the weekend. 
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Senior User
Joined: Feb 2011
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From: FT. Rucker AL
Ok so I am still having the overheating issue took it to a local mechanic and we spent about 7 hours going thru everything we can think of. I replaced the clutch fan this morning, we popped the thermo stat out and checked it, it is working fine. opened up the heater hose and started truck up there was plenty of pressure of coolant coming out to see if the water pump was pumping good. There were no other signs of pump issues to begin with. We also took if for a drive hooked up to the scan just to make sure that when the temp guage on the truck said it was hot it was we could see what temp it really was which the computer showed 265. We also opened the petcock up to see if there was crud sitting in the bottom of radiator, seemed to be clean. We also did a leak down test to see if it had a blown head gasket and it was fine. I did flush this truck twice about 8 months ago the only other idea that came up was took take out the regular green coolant that is in there and put ford's gold coolant. Anyone have any other ideas I am just getting frustrated as I don't want to buy all new parts and it still not fix it.
Lead Driver
Joined: Dec 2012
Posts: 7,870
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From: Tennessee
I jumped in late . You say it is overheating . Flow ck your radiator , ck for plugged fins externaly . Ck for missing fin webbing . You also stated you used an IR gun . That can be a good tool to ck total system flow . Ck actual temps at all spots in the system .Does it actually " overheat " and boil over ? Or does it just show hot and go into temp protect mode ? You may have a flow issue inside the radiator , or just a faulty temp sensor . 265 should be boiling over .
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Senior User
Joined: Feb 2011
Posts: 421
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From: FT. Rucker AL
I jumped in late . You say it is overheating . Flow ck your radiator , ck for plugged fins externaly . Ck for missing fin webbing . You also stated you used an IR gun . That can be a good tool to ck total system flow . Ck actual temps at all spots in the system .Does it actually " overheat " and boil over ? Or does it just show hot and go into temp protect mode ? You may have a flow issue inside the radiator , or just a faulty temp sensor . 265 should be boiling over .
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Senior User
Joined: Feb 2011
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From: FT. Rucker AL
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Lead Driver
Joined: Dec 2012
Posts: 7,870
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From: Tennessee
I was just thinking . Some autos use the ecm to operate the temp gauge . They use the ecm sensor only . That is why I asked if it is boiling over . At 265 it would . If IR gun only showed 180 and ecm showed 260 , you may have a bad sensor . So , is it actually overheating ?
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Senior User
Joined: Feb 2011
Posts: 421
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From: FT. Rucker AL
I was just thinking . Some autos use the ecm to operate the temp gauge . They use the ecm sensor only . That is why I asked if it is boiling over . At 265 it would . If IR gun only showed 180 and ecm showed 260 , you may have a bad sensor . So , is it actually overheating ?
Lead Driver
Joined: Dec 2012
Posts: 7,870
Likes: 47
From: Tennessee
It should be BOILING at 265 , not just steaming .
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Senior User
Joined: Feb 2011
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From: FT. Rucker AL
Ok, so what are your opinions on me changing out the radiator?
Lead Driver
Joined: Dec 2012
Posts: 7,870
Likes: 47
From: Tennessee
It may be time . You may be on borrowed time , or not . It is hard to say without seeing it . If you are able to afford it , it may be piece of mind even if not needed . If I had any doubts about it , I would change it to be safe .
