How does the heater core work.
Chevy equinox heater core location.
If there is no coolant in your overflow you can refill it by adding more to the overflow reservoir.
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The coolant is being replaced with air which is why you are losing the heat.
The heater core has an air pocket in it that only gets pushed out when you are on the gas.
There is almost never a situation where you would need to take the radiator cap off of the radiator to add coolant.
Diagnosis a word of caution.
The heater core is similar to the radiator located in the vehicle s cooling system.
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.
Chevy equinox heater not working.
Armrest center console trim pieces dash trim around radio radio dashboard substructure.
My chevy equinox heater blows cold air when i am at an idle or not on the gas.
A pressure test should show the location of the coolant leak and then it can be repaired.
The heater core looks like a very small radiator and functions just the same.