Replacing 05 heater core
Record Breaker
Joined: Dec 2006
Posts: 1,048
Likes: 21
From: Mobile, AL
ok, i see the post I missed. since I can't find the edit button disregard. I've only done 3 heater cores on vehicles over the years. never had to fool with the a/c. good ol dodge engineering huh?
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Veteran
Joined: Aug 2011
Posts: 260
Likes: 0
From: Buckley ,Washington
On better news I finally replaced all the hoses and lines to the heater core and now theres no leaks at all!
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Veteran
Joined: Aug 2011
Posts: 260
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From: Buckley ,Washington
I havent been on here for ages. But i wanted to let you guys know that if youre gonna replace the heater core, you might as well replace all of the lines to it as the problem for me was the lines, not the heater core. So after i replaced all those parts, i have never had a problem since!
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Joined: Nov 2018
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The mysterious 3rd bolt.
I finally got the entire hvac box off the firewall. The hardest part was actually removing the ac lines off the evaporator. You have to use a ac/fuel line quick disconnect tool to push the spring back (just like an air hose fitting) It took over a half hour to remove the two. Then the next hard part is that theres 3 bolts (10mm heads) to remove the heater core from the firewall. Two of them are very visible and easy to remove from under the hood. Theres a third one that is lower then the other two. Its like right behind the engine. verryyy big pain to remove!!! I will not put that bottom bolt back on when i put the hvac back on. While im replacing the heater core, i am going to replace the evaporater too because i dont want it to go out in the future if i didnt damage it when trying to remove the ac lines because we kept pulling. Alot of money for evap (250), but i would rather spend that than to have my truck down for another week! so far my truck has been parked for about two weeks. It should be done this weekend because the evap core should come in tonight. Ill post pics if anybody wants some because i havent seen anyone that has accomplished this task before on this new of a dakota.
