my 2011 impala ls wont heat up while car is idling ,if i drive the car the temp gauge goes up. I've changed thermostat and waterpump not the problem. heat not working and cant drive it

Asked by Feb 06, 2014 at 08:15 PM about the 2011 Chevrolet Impala LS FWD

Question type: General

3 Answers

11,805

Check the fluid level in the rad not the reservoir. Sounds like the engine's coolant system is air locked.

80,375

Newer cars won't get to operating temperature (195°F) by idling them. That's normal. As for the heater not working check the heater hoses. Are they both hot? If not, heater core is clogged. If they are then the problem is under the dash. Either the temperature doors are stuck or the electronic actuators are bad. HTH. -Jim

11,805

Heat not working along with the other systems are classic air lock systems. I just had the issue on my Beretta, sucks staring at the temp gauge moving close to the redline with no heat and the temp outside at -20F.

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