1. pacuda59

    pacuda59 pacuda59 FABO Gold Member

    Messages:
    5,699
    Likes Received:
    443
    Joined:
    Sep 20, 2005
    Location:
    Pennsylvania
    Local Time:
    9:23 PM
    Backstory....About three years ago I ordered firewall gaskets in anticipation of pulling off the heater core, greasing the cables, etc. In the fall I drained the coolant, looped the heater hose to bypass it so I could work on it in the winter which never happened. Well, three years later when I took the car out of winter storage I drained the old coolant and reconnected the heater. When the thermostat opened up so did my core I think. I have a puddle on both drivers and passenger wells. No carpet in the car so it's not a big mess. Does this sound like the heater core? Does anyone have any advice for disassembling the box? I'm dealing with a 51 year old heater box that I'm sure is pretty fragile. Also, if it is the core, where should I order a new one?

    Thanks
     
    • Agree Agree x 1
    • 67dartgtgo

      67dartgtgo FABO Gold Member FABO Gold Member

      Messages:
      1,088
      Likes Received:
      489
      Joined:
      Nov 9, 2012
      Location:
      Mass
      Local Time:
      8:23 PM
      If I remember correctly the heater box is in 2 sections with a seal gasket between them. If I remember right the gasket was just compressed foam. The seam has a groove fit and is held together with about 10 strong “c” type spring clamps around the perimeter that can be pried off with a screw driver allowing the box half’s to separate. Some of them were difficult to reach under the dash but doable. The harder part for me was getting them back on. Be careful not to lose them. I also removed my fan and diverter door for rehab while I was in there.
      I originally ordered a replacement core from Summit but had like a six week back order so I cancelled it and had one from NAPA the next day. I’d guess you can probably get one from Rock Auto too.
      Good luck.
       
    • 67dartgtgo

      67dartgtgo FABO Gold Member FABO Gold Member

      Messages:
      1,088
      Likes Received:
      489
      Joined:
      Nov 9, 2012
      Location:
      Mass
      Local Time:
      8:23 PM
      Rock Auto....40 bucks. Probably have good luck locally too.

      91B27C4C-86F7-4753-AB1F-82432CDB593E.png
       
    • Dartsun

      Dartsun Member

      Messages:
      1,278
      Likes Received:
      891
      Joined:
      Feb 12, 2012
      Location:
      Springfield Oregon
      Local Time:
      6:23 PM
      I just pulled down my heater box for the first time in my 65 Dart, got a replacement heater core from Napa. Make sure get a new gasket kit for the box from Jim at DMT.
       
      • Agree Agree x 1
      • pacuda59

        pacuda59 pacuda59 FABO Gold Member

        Messages:
        5,699
        Likes Received:
        443
        Joined:
        Sep 20, 2005
        Location:
        Pennsylvania
        Local Time:
        9:23 PM
      • pacuda59

        pacuda59 pacuda59 FABO Gold Member

        Messages:
        5,699
        Likes Received:
        443
        Joined:
        Sep 20, 2005
        Location:
        Pennsylvania
        Local Time:
        9:23 PM
        Will do....thanks.
         
      • 4spdragtop

        4spdragtop FABO Gold Member FABO Gold Member

        Messages:
        28,980
        Likes Received:
        9056
        Joined:
        Aug 28, 2009
        Location:
        Wasting time here
        Local Time:
        8:23 PM
        Do your research here on heater cores, LOTS of new ones dont fit properly.
        Also the clips holding the box halves together are VERY strong be careful removing them as you can break/crack the heater box housing. When we redid ours we made sure to "destress" the clips before reassembly. They were TIGHT! More than they needed to be.
        Good luck.
         
        • Like Like x 2
        • kursplat

          kursplat FABO Gold Member FABO Gold Member

          Messages:
          2,620
          Likes Received:
          1703
          Joined:
          Aug 24, 2010
          Location:
          so cal
          Local Time:
          6:23 PM
          when i did the 74' i had to adjust the tubes pretty severly. the angle was way off. it was either rock auto or napa, don't remember which
           
          • Agree Agree x 2
          • Like Like x 1
          • Dartsun

            Dartsun Member

            Messages:
            1,278
            Likes Received:
            891
            Joined:
            Feb 12, 2012
            Location:
            Springfield Oregon
            Local Time:
            6:23 PM
            I took a picture from my original 69 non ac core compared to new one. Got it from Napa 50$. Looks pretty close.
            556DF87C-7975-4AF2-AD4B-9E9530AEDD62.jpeg
             
            • Like Like x 2
            • 4spdragtop

              4spdragtop FABO Gold Member FABO Gold Member

              Messages:
              28,980
              Likes Received:
              9056
              Joined:
              Aug 28, 2009
              Location:
              Wasting time here
              Local Time:
              8:23 PM
              You could also have the original one recored at a rad shop. That's what I would do.
               
              • Like Like x 2
              • 66fyssh

                66fyssh Don't Stop Believin' FABO Gold Member

                Messages:
                5,248
                Likes Received:
                4266
                Joined:
                Jun 22, 2013
                Location:
                Northwest GA
                Local Time:
                9:23 PM
                Did mine a few months ago. Here's what "fell out" lol.
                IMG_20200201_150038.jpg
                 
                • Like Like x 3
                • RustyRatRod

                  RustyRatRod Bla de blizhibliz de blatde blizi bla bla FABO Gold Member

                  Messages:
                  60,883
                  Likes Received:
                  32580
                  Joined:
                  Jun 7, 2010
                  Location:
                  Georgia
                  Local Time:
                  9:23 PM
                  Take the front seat out. You'll thank me later. lol
                   
                  • Agree Agree x 2
                  • kursplat

                    kursplat FABO Gold Member FABO Gold Member

                    Messages:
                    2,620
                    Likes Received:
                    1703
                    Joined:
                    Aug 24, 2010
                    Location:
                    so cal
                    Local Time:
                    6:23 PM
                    i decided a while ago that pretty much applies any time i need to work on anything under the dash :lol:
                     
                  • pacuda59

                    pacuda59 pacuda59 FABO Gold Member

                    Messages:
                    5,699
                    Likes Received:
                    443
                    Joined:
                    Sep 20, 2005
                    Location:
                    Pennsylvania
                    Local Time:
                    9:23 PM
                    I was planning on that...getting too old to contort.
                     
                  1. This site uses cookies to help personalize content, tailor your experience and to keep you logged in if you register.
                    By continuing to use this site, you are consenting to our use of cookies.