ford truck rad.
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ford truck rad.
I have a 1998 F-150 with 4.6 V8. It has the second thermostat put in it but after running for a while the radiator never gets hot >the heater hoses are both hot, but not the rad. or the top hose.
Thread Starter
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New User
Joined: Apr 2006
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ford radiator
CowboyBilly9mile,
The engine gauge in dash registers normal and the heat coming off the heater core seems to be okay. But when you run the truck down the road and then check the radiator after returing, the radiator is still cold. I wonder if I might cook the heads.
The engine gauge in dash registers normal and the heat coming off the heater core seems to be okay. But when you run the truck down the road and then check the radiator after returing, the radiator is still cold. I wonder if I might cook the heads.
Fleet Owner
Joined: Sep 2005
Posts: 28,609
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From: Lake Tahoe, Nevada
What is the ambient temperature?
Is there any symptom of overheating?
There may be no problem, but as a test, you might remove the thermostat to insure circulation and measure the temp with a candy thermometer in the radiator just to see if the temp gauge is reading correctly.
Is there any symptom of overheating?
There may be no problem, but as a test, you might remove the thermostat to insure circulation and measure the temp with a candy thermometer in the radiator just to see if the temp gauge is reading correctly.
