Forum Discussion
theoldwizard1
Oct 15, 2018Explorer II
timmac wrote:
... I am also thinking the cooling system might have had a air bubble ...
Most Ford cooling systems use what is called a remote coolant reservoir. This is NOT and "overflow" tank ! This is a pressurized tank (usually see through plastic) that is part of the cooling system. By design, the tank is the highest point in the system. This means it is nearly impossible to get an air bubble in the system.
Even after completely draining all of the coolant out of a Ford, refilling and a few heat/cool cycles will force any air into this tank. There are low and high marks on the outside. Even though the cap does not look like a normal radiator cap, it is a pressure cap and you do NOT want to open it when hot !
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