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Heater core replacement 2001 dodge 2500Is this very difficult to do? I hear the dash needs to be partially removed? Any helpm would be appreciated. Thanks
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heater core is most likely the prob. its a long process to replace but can be done. replaced mine in my 99 ram 2500. remove steering column and entire dash to reveal heater core, passenger side floor area.
If it is necessary to remove the heater assembly, the cooling system must be drained before removing the heater core.
When a heater core leaks, a new heater core is installed or the old one repaired. Heater Housing
The heater housing is usually under the dash and must be removed to gain access to the heater core.
Procedures for replacing the heater core vary with the year, make, and model of car. It threfore necessary to consult the manufacturer's repair manuals for the proper procedure for replacement.
The heater housing is disassembled to get to the heater core.
Heater Core
Remove the access panels(s) or the split heater/air conditioning case to gain acess to the heater core.
Remove the heater coolant hoses.
Remove the cable and/or vacuum control lines (if equipped).
Remove the heater core securing brackets and/or clamps.
Lift the core from the case. Do not use force. Take care not to damage the fins of the heater core when removing.
To reinstall the heater core, reverse the removal steps.
When the heater core leaks and must be repaired or replaced, it is a very difficult and time-consuming job primarily because of the core's location deep within the firewall of the car. For this reason always leak test a replacement heater core before installation.
pull the dash off theres the heater core on passenger side theres a inlet and outlet hose pull both off remove mountin bolts install new one reassemble dash
are heater inlet outlet mix valves standard for all dodge heater cores. I have 2001 dodge cummings blows warm air not hot when gauge is 195 degrees would there be a mix valve under the dash because it is not inline outside the wall
dodge want $800 to$1000 for doing this and I can see why.You have to raise or remove the whole dash recover you a/c freon ,disconect your a/c lines and heater hoses remove your heater box and put on a work bench remove the top and remove heater core,now next the last one I did the new heater core will not fit you have to modify the box so your new heater core will fit,put it all back together and fill with coolant and charge a/c, man I got tirered just typing this much less doing it, I hope this helps
Most large auto parts stores have the book for your truck with a section on the heater core. Call the store first then if they have the book go and read the heater core replacement section to be surre its in the book.
I hope this helps you.
You can probably avoid removing the dash to replace this get under and start dissasembling to find out for sure you should avoid taking that dash out if at all possible they are a real pain - good luck
The heater housing is disassembled to get to the heater core.
Heater Core 
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