Car oberhearing

Asked by Jul 12, 2016 at 03:23 PM about the 2007 Chrysler 300 Base

Question type: Maintenance & Repair

I just replaced my thermostat in my 2007 chrysler
sebring 2.7L V6. It jas been roughly a week or so
and my car started to overheat again and now the
A/C is starting to act odd. The A/C will blow cold
when I am driving at higher RPMs and at lower
RPMs it doesnt blow cold, The heater worked like a
xharm when I first fixed the thermostat and now it
seems to be broken as well. I popped the hood and
did a quick self diagnostic and the coolant was not
completley full but no where near low and the
lower raidiator hose which runs to the thermostat
was sucking I could literally see the hose
collapsing on itself as if no actual coolant was
flowing through and it was air bound? I really dont
know what to do please help.

1 Answer

23,110

You have air in the cooling system. Bleed system like this. Remove anti freeze over flow reservoir cap fill with anti freeze to full mark leave cap off and start vehicle and let idle anti freeze level in tank will slightly fill up tank this is normal once thermostat starts to open anti freeze level in tank will drop when this happens add more anti freeze to tank to full mark then put cap back on. That should remove all air from cooling system.

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