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    Thread: MKIII Heater core DIY:

    1. Member HAPPYnotEMO's Avatar
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      04-15-2010 02:40 PM #26
      Ill be using this soon, but not until I replace it with a 3.5 Cabby dash

    2. 04-15-2010 04:44 PM #27
      Keep your images hosted [IMG]http://**********************/smile/emthup.gif[/IMG] this will be helpful in the future, I can smell mine going out

    3. Member
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      04-15-2010 04:51 PM #28
      Quote, originally posted by Masked Halibut »
      great diy...but i'm still selling my car before i do this.

      It really isn't as bad as it seems. It just takes a long time.

    4. Member
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      11-06-2010 06:07 PM #29
      so i started doing this awesome job today and let me tell u it blows. Im at the point of getting the heater core out but the rebar is in the way. I drilled out the steering cloumn bolts and took out the torx on each side, am I missing something? (rebar only moved a hair with those bolts out) Do I need to remove the large black box to the right of the heater core box?

    5. Member
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      11-07-2010 09:26 AM #30
      anyone? i really need to get this finished upp today please help me out

    6. Member effdbmx1's Avatar
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      11-12-2010 08:38 PM #31
      I'm doing this right now. Heater core is almost out. What exactly is the foam for? Can I just not put it in?

    7. Semi-n00b BumbleBeeMK3's Avatar
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      11-12-2010 10:00 PM #32
      Thanks sooo much for this thread!!

      My dad and I spent many "bonding" hours together trying to get my heater core done. Not a fun job at all.
      Girl Dubber

    8. Member OddJobb's Avatar
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      11-13-2010 11:16 PM #33
      I'm in the process of doing this, and the 13mm bolts going into the firewall (pics 5 & 6) don't need to be removed. These connect the inner and outer firewalls to each other. And there's like 5 of them, not 3.

    9. Member
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      11-14-2010 12:26 PM #34
      im pretty sure the 13mm ones hes refering to you do need to take out bc they are bolted to the back of the dash

    10. Member OddJobb's Avatar
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      11-14-2010 10:52 PM #35
      Quote Originally Posted by 9golfgl0 View Post
      im pretty sure the 13mm ones hes refering to you do need to take out bc they are bolted to the back of the dash
      Have you taken out your dash? No they are not. All the bolts required to remove the dash are 10mm nuts. I didn't unbolt a single 13mm bolt pictured above, and I have the dash completely out of the car.

    11. Member effdbmx1's Avatar
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      11-14-2010 11:59 PM #36
      I just did mine this weekend. Works great now.

      One thing that I have to say is you don't NEED to drill out the stearing column. I started but my drill broke and I didn't have another one. So I unbolted the rebar a both sides and just forced it back far enough on the passenger's side and changed out my heater core that way.

      Drilling it out would've made it easier since I wouldn't have to fight it but this way works too.

    12. Member Rugrat Anklebiter's Avatar
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      11-27-2010 05:25 PM #37
      Need help please. I've got the dash out and I've removed all the rebar bolts that I can locate. I have not removed the ignition sheer bolts because I read it was possible to replace the core without removing them. I can not figure out how to remove the A/C. Here's some pix to help with where I am at.

      http://picasaweb.google.com/gleaminx/96GTIVR6#

    13. Member Rugrat Anklebiter's Avatar
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      11-27-2010 10:36 PM #38
      bizump.

      I really need a hand figuring out how to get this damn thing out.

    14. Member APURPLEKING's Avatar
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      11-28-2010 12:03 AM #39
      Quote Originally Posted by dankvwguy View Post
      tiny bit off topic but the hell do you get the screws back in that go behind the air vent grilles. ive had mine unbolted for almost 2 years not and would like to finally get my dash all screwed down. havnt looked into pulling the grilles out so maybe u have my answer
      great writeup by the way. i know my time is coming soon
      -Take the vent out
      -Screw in the screws
      -Pop the vent back in

      Pm me for any and all glass questions and inquires, or any VAG-COM needs.

      "ITS A BAD TIME BOB!"

    15. Member Kaleb915's Avatar
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      11-28-2010 01:14 AM #40
      I did the heater core on my buddy's 02 dodge 1500, it was horrible.

    16. Member Mark-2's Avatar
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      11-28-2010 02:47 AM #41
      the dash shell dosent need to be seperated from the rebar either.. you can swing the whole assembly from the passengers side. you just have to remember to disconnect the plugs that go to the twist lock terminal to the pass front door, and a ground (under pass kick panel) there was alot of over kill in that write up, but i am not going to bag on him. i did it the same way when i did my very first one. one more thing that might help, the break away bolts i use a die grinder and slot them and use a standard screw driver to remove them

      hope this helps someone that has to endure this job for their first time
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    17. Member OddJobb's Avatar
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      11-28-2010 11:17 AM #42
      Quote Originally Posted by Rugrat Anklebiter View Post
      Need help please. I've got the dash out and I've removed all the rebar bolts that I can locate. I have not removed the ignition sheer bolts because I read it was possible to replace the core without removing them. I can not figure out how to remove the A/C. Here's some pix to help with where I am at.

      http://picasaweb.google.com/gleaminx/96GTIVR6#
      If you are trying to remove the entire heater box, then you need to remove the shear bolts to unbolt the rebar from the steering column. I was able to get the heatercore, but I could not access the A/C evaporator (which also had a leak, and I removed) without doing so. The entire heaterbox has a plastic tab on the passenger side that slides into the rebar. I guess you could pull the passenger side of the rebar back far enough but I couldn't and I was afraid I'd bend and deform it. You can pull the heatercore side of the heaterbox off by unclipping the metal clips as outlined in the DIY, but it's a major PIA to get to the rear clips.

      From looking at the pictures, you still need to remove the duct in front that directs the air into the dash vents. It's held on by two plastic 10mm nuts. This should give you more room to get the heater core portion of the heater box out.
      Last edited by OddJobb; 11-28-2010 at 11:21 AM.

    18. Member Rugrat Anklebiter's Avatar
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      11-28-2010 04:09 PM #43
      thanks everyone. i was able to replace the heater core without removing the steering wheel shear bolts. i found my error, the passenger rebar was still caught on the trim. i was able to yank it free and have PLENTY of room to do anything i want in the dash.

      however, after all that and putting everything back together again, i still have no heat. the hoses look as if they are in the correct position. i really don't think they are backwards.

      any thoughts?

    19. 01-05-2011 11:28 AM #44
      Great write up man, ive been using it to help with my heater core replacement.
      But i cant seem to get the heater core out, dash is off, three fire wall screws are off rebar is loose and ive came across a few little metal clips holding the heater core onto a few other parts.
      But i can only loosen it up. Are there more of these metal clips that im not finding? Perhaps behind the heater core by the fire wall?

    20. Member RoamFreely's Avatar
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      01-05-2011 11:31 AM #45
      Great write up.. I jus did mine this past weekend with a buddy. But we found it easier to just remove the whole steering column.. Once that was out of the way the rebar was easier to move out of the way to get to the heater box... But great job either way.
      2000 Passat Wagon, H&R Springs, 8K Hids, 007 DV..

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      Did you just type "oriental country" you bumbling, back woods, uneducated douchebag?

    21. Member dudeman08's Avatar
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      05-25-2011 09:02 PM #46
      im in the middle of doing mine for the first time and im stuck. uhhg. im about ready to shoot myself in the face. its so frustrating. i think i even made a few new cuss words at the same time. ill let ya know how it goes if i can get it done.

    22. Member mAyZa b 3 a t s's Avatar
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      05-25-2011 09:13 PM #47
      What part are you stuck on?
      Quote Originally Posted by Sodomythical Frostgoat View Post
      **** off Timmy, I'm trying to break someone's spirit here, jesus.
      If you use the term "hater," I'm just going to assume you came out with the cord wrapped around your neck.

    23. Member dudeman08's Avatar
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      05-25-2011 11:48 PM #48
      nvm. i got it. i was stuck with getting the rebar to move. i stuck a 3 foot prybar in the opening on the passenger side and pulled hard as hell. it wound up being that a zip tie held everything back. gonna finish it up tomorrow. thanks.

    24. Member vwb5t's Avatar
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      05-26-2011 03:35 AM #49
      ****ing A+ on the DIY, very nice the heater core isnt as bad as people think it is, i would rather do 2 heater cores than make another engine bay harness
      Quote Originally Posted by tdogg74 View Post
      The sound is literally like if you put your head in a toilet bowl, pursed your lips, and said "oooooo".

    25. Member mwysienski's Avatar
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      07-28-2011 05:22 PM #50
      I know that I have to do this soon...prob before this winter. So I made a pdf of this so that I could print it out. It's much more printer friendly than through a web browser. Since I haven't jumped into this yet, I had no comments of my own to add, but I did throw a few other people's comments at the bottom and resized all the pics and install notes.

      If you're in the same boat as me and don't want your laptop hanging out in the garage, pm me. I also made another pdf for this diy:
      http://forums.vwvortex.com/showthrea...ngine-with-A-C

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