Tough question without knowing what the vehicle is. help us to help you
Most newer model cars the only way to replace a heater core is to completely remove the dash to access the heating system ducts as well as the core.
Hard to repair. Best is to replace it with a new one. Have to remove the core from the inside of the car.
The dash has to be removed to gain access to the heater box. The heater box then comes out and is split open to replace the core.
you have to remove the heating unit and fan from under the dash. this is done by unbolting it from the fire wall. Be sure to bypass the heating core if you need to drive your jeep around. Then open it up a nd pop out the core. once you replace the heating core seal up the heating unit with silcon sealant. then be sure to make it fit well when you put it back in or water can come down into the the unit from the intake. also if it isn't in tight air will blow through the cracke from the engine compartment
Behind the dashboard on the passenger side. The whole dash has to come out to replace it.
How to replace the inside Spectra Heater Core on a 2000 dodge durango??
You have to take out the whole heater and air condiasioning system out and replace the new heater core in. When you replace the heater core, you firset have to put the air condiasoning system in then the heating system/ heater core. When you take the old systems out, you first have to take out the A.C then the heater.
Very hard.............. You will need to discharge the a/c system, pull back the dash and remove the complete a/c and heating box to remove the heater core.........
How do you replace the heater core on a jimmy?
The heater core is leaking. GEt a manual from DISCOUNTAUTOREPAIRMANUALS.COM and replace it.
e.g. heater core clogged is a common one - flush or replace it
how do u replace the heater core