running hot issue
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running hot issue
Hello y'all I got a 88 ford f150 with a 4.9 I bought the truck and it was running 190*f the truck sat for a couple months I went to drive it and it started running 210*f thought it might of been the thermostat. Pulled the housing off and there wasn't one in there so I put one in and was still running 210*f so I changed the water pump and its still running 210*f any ideas what it might be. Has dual electric fans on it just to note and they are working thanks y'all
Cargo Master
Joined: Apr 2003
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From: Frequently frozen MN
Welcome to fte.
You'll probably get some better answer if you post your question in the F150 section for your year ( it's near the top of the list of forum sections).
But, a couple of things. I had an 89 I6 and it didn't run hot and you don't hear a lot about it, so it's not typical.
Since the last guy ran without a thermostat, he probably had problems also.
Only simple thing would be an air pocket -- coolant can't flow and things get hot. Usually the engine runs hot, but there's no heat from the heater. Solution is to 'burp ' it. I've never done it, but the general rule is that you run it with the cap and watch for bubbles. Try doing a search on air pocket or burp.
After that, it gets more serious. As I said, you'll probably get more help in the older F150 section.
Good Luck,
hj
You'll probably get some better answer if you post your question in the F150 section for your year ( it's near the top of the list of forum sections).
But, a couple of things. I had an 89 I6 and it didn't run hot and you don't hear a lot about it, so it's not typical.
Since the last guy ran without a thermostat, he probably had problems also.
Only simple thing would be an air pocket -- coolant can't flow and things get hot. Usually the engine runs hot, but there's no heat from the heater. Solution is to 'burp ' it. I've never done it, but the general rule is that you run it with the cap and watch for bubbles. Try doing a search on air pocket or burp.
After that, it gets more serious. As I said, you'll probably get more help in the older F150 section.
Good Luck,
hj
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mOROTBREATH
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