Okay Guys I Have A 06 Dodge Charger 2.7l When I First Got The Car It Was Awesome 7 Months In And I'm Having Overheating Issues I've Changed The Radiator , Thermostat And Thermostat Housing Still Overheating....I've Noticed When I Shut My Car Off I Can Hear All Of The Anitfreeze Boiling In The Reservoir...Also Right Before The Car Starts to Overheat I Can Feel The Pressure Of The Antifreeze Being Let Out That's When The Tempature Had Starts To Rise I've Taken It To Like 20 Mechanics And No One Knows What's The Problem ! I'm Playing A Guessing Game Here...Help Me The Car Is Driving Me Crazy !

 

Water pump comes to mind. Or a blown head gasket. Try another shop of the one you are using is clueless.