06 G35 Sedan

Car heats up when ac is on and I am driving the car, if I turn the AC off temp goes down to normal...When stopped ac works fine and car does not heat up. I changed the thermostat, still doing it. Also ac does not blow hot air(heater). Plenty of coolant in car.

Any idieas? thanks


***Heater ONLY works when the car is moving, blows cold air when stopped, even when I put the temp up to 90***

 

You might have air in the system

 

I would bet that you have trapped air in the system

Use the bleeder valve on passenger side of the engine (towards battery compartment)

OR

Use the Lisle spill-free Funnel - it works great and very easy to purge air from the cooling system

 

Check for leaks on the bottom edge of the radiator if bleeding doesn't help.

 

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