The heater stopped working yesterday. Been smelling antifreeze for about a week. on 2005 Chevrolet Impala

Haven't seen antifreeze on the ground. Windshield doesn't have a film on it inside. It just smells sweet.

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3 answers
Check under the hood.
two hints point to a bad heater core....it smells antifreeze inside and heater stopped working
have the system pressure tested and im sure u will find the leak at heatr core. they leak like a radiator,it starts small then you will notice the wetness on the floor