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Leaking Thermostate Housing/Upper Radiator Hose

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Old 11-19-2018, 12:35 PM
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99GTvert
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Default Leaking Thermostate Housing/Upper Radiator Hose

My car leaks coolant.

It seems to do it when using heavy throttle inputs.

When it leaks, it reeks on the outside of the car after parking, and the smell also gets inside with the heat on.

I removed the air intake tube and took a closer look, and it appears to be a connection with the thermostat housing and radiator hose. It also drips onto the belt which I doubt is harmless.

I am considering a replacement T connecting hose or buying the O-rings instead, but I am curious if anyone else has had this issue? Also I am thinking I need to drain some coolant before attempting this. No idea how I will disassemble the housing to replace the o-ring though.



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Old 11-20-2018, 09:59 AM
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https://parts.ford.com/shop/en/us/seal-6320175-1

Just for notes, I think this is the actual ford part number even though its not listed on the diagram.
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Old 11-20-2018, 03:46 PM
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08'MustangDude
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O-Ring (seal) yes, inside the fitting. German cars use those quick disconnects, and it's always the
o-ring inside. Would be nice if they would find a way to go with some sort of western-union fittings...
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