Why do my 03 grand marquis smells like freon on the inside & making a clapping noise from under the hood sound like someone passing gas or something?

Asked by Jul 25, 2016 at 09:03 PM

Question type: Car Customization

9 Answers


The smell of freon is the evaporator is leaking and the clicking noise you hear is the compressor clicking on and off because low on freon.

Best Answer

There is something you can try to stop the leak in the evaporator can not make any promises that it will work but it is worth a try. Go to any parts store like autozone and get some freon stop leak.

Could It because I remove my themorstat & I need a themorstat housing ?


Is the vehicle overheating on you ?

Yes it is once I sit still for a min but is it the themorstat housing ?


Why did you remove the thermostat and is the thermostat housing leaking ?

yes the thermostat housing is leaking

From the bottom


Then yes it is the thermostat housing or gasket.

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