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Old 10-27-2020, 12:03 AM   #8
LockDoc
The Older Generation


 
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Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,332
Re: Engine running too cool

Quote:
Originally Posted by JMD View Post
Where is the stock sending unit location? If I understand the cooling system correctly, there shouldn’t be any coolant flowing through the upper radiator hose until the thermostat has opened. So if the thermostat is stuck open and I start the truck after it’s been sitting all night, I should feel coolant moving through the upper radiator hose, right?

Driver side head by #1 plug.

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