Asked by Feb 02, 2016 at 10:20 AM about the 2006 Chrysler PT Cruiser Touring

Question type: Car Customization

New radiator cap New radiator New house New fan . Running hot ideling n when I
turn on ac

2 Answers


You either have a bad thermostat, air pockets in the cooling system, or a cracked or blown head gasket.

do a compression test on rad? check for leaks, also like rowefast mentioned above a head gasket..check it by performing a pressure test on each cylinder..if all cylinder pressure is or close to each other then head gasket should be ok..if in one cylinder you have a big drop, then you have a leaky head gasket

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