The question you ask is too involved for a proper answer. You need to go to a car parts store, and get a repair manual for your car. They cost about $16.00 Or, go to a Public Library.
how do i change a heater core on a 2000 Chevy impalla
You will have only cold air coming thru your heater ducts if your core is defective.
How do I replace the heater core in a Chevy express 1500
You have to completely remove the dash to get access to the heater core.
cost to replace heater core 1994 corsica
How do you change the heater coil in a 1994 chevy caprice?
How do you change a heater core in 1994 chevy astro van?
In the a/c heater core housing under dash, pass. side
To change the heater core on a 1999 Chevy 4-wheel drive, first remove the dashboard and drain the coolant. Unbolt the core from its mounts and remove the dash panel to be able to change the heater core.
To change the heater core in a 1963 Chevy Impala, disconnect the negative battery cable and loosen the radiator cap. Remove glove box door and remove wiring connected to the heater core. Then remove the heater core from under the dash and replace with new.
Drain the water from your 1998 Chevy Astro cooling system. Remove the water supply hoses from the heater core. Remove the heater core retaining bolts. Reverse the process to install the new heater core.
How do you change the heater core on a 1978 Chevy Nova Custom with a 305 v8 engine and where is it located on the car? thanks jj