My chevy equinox heater blows cold air when i am at an idle or not on the gas.
Chevy equinox heater core location.
Armrest center console trim pieces dash trim around radio radio dashboard substructure.
The heater core is similar to the radiator located in the vehicle s cooling system.
How does the heater core work.
Chevrolet equinox heater is not working repair symptoms heater blower motor replacement when the blower motor fails the air conditioner and heater may still work and heat or cool may be felt at the vents but the air pressure will be dramatically decreased.
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If there is no coolant in your overflow you can refill it by adding more to the overflow reservoir.
The coolant is being replaced with air which is why you are losing the heat.
Diagnosis a word of caution.
There is almost never a situation where you would need to take the radiator cap off of the radiator to add coolant.
The heater core has an air pocket in it that only gets pushed out when you are on the gas.
The blower motor forces air through the core and into the air duct system allowing temperature controls which enable defrost floor and front vent modes.
The heater core looks like a very small radiator and functions just the same.
Chevy equinox heater not working.