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Old 09-23-2015, 08:43 PM   #15
yekrats
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Re: F-100 barely runs

Quote:
Originally Posted by imakedacookies View Post
The coolant was topped off, ando I ran it today to check for leaks, nothing seems to be leaking so I have to assume there's just no coolant pumping through the engine. I just want to make sure I understand before I buy some parts. It could be because of the temp sensor because that would make it not pump coolant? Or the pump itself therefore nothing can cycle through causing the temp sensor not to get any coolant?
Sorry, I thought there was no coolant in the radiator for some reason. Still possible the radiator's full but there's a big air buble in the top of the engine. This is supported by the fact that the temp gauge (the sender) isn't working. No water to the sender, (a bubble will do this) no temp reading on the gauge. You can check this by pulling one of the heater hoses off and seing if water flows out. If there's a bubble it will be dry there. Suppose it's also possible the temp sender has just gone bad and the water pump is bad inside. Inside being the impeller has broken off, rusted out, whatever. Doesn't happen too often but... Sorry you're having all this trouble, sounds like the PO didn't do too well.
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