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overheating 351M

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Old Apr 30, 2004 | 11:39 PM
  #1  
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overheating 351M

1978 F150 4x4 C6 here...

Truck will start to overheat after about 3-4 miles of driving..... Before I just start replacing stuff.... what is the most likely cause?

(there is fluid in the radiator)

I'm going to replace the thermostat tommorow.... if that doesnt work.... then I'll replace the waterpump, and the hoses.......

What do you guys think is the culprit here?
 
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Old May 1, 2004 | 03:46 AM
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Radiator clogged up?

Fan shroud still there?

Did the problem just kind of appear?
 

Last edited by Superdave; May 1, 2004 at 03:48 AM.
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Old May 1, 2004 | 03:54 PM
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Does it overheat on the highway or in city traffic?
 
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Old May 1, 2004 | 09:07 PM
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Wow... what an ordeal....

Turns out that the previous owner performed a ghetto rig on the brakes.... He installed a brake light switch behind the brake pedal, but it would not allow the pedal to come back far enough.... So the brakes were halfway applied all the time..... this wasnt a problem when he owned it.. but after I installed new F350booster/Mastercylinder ... new drums/shoes/wheel cylinders and then new calipers up front... it really caused a problem...

Heated up the engine pretty quick... but it was mostly the brakes that got smoking hot....


Now all I have to do is fix that busted ball joint =/
 
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Old May 4, 2004 | 12:44 AM
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Crap!!

Well at least you know what the problem is now.
 
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