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Heater Core Replacement 89 ASC McLaren Mustang

 
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Mustang Munkey



Joined: 28 Aug 2016
Posts: 35
Location: Yorktown, VA

PostPosted: Wed Sep 07, 2016 1:35 am    Post subject: Heater Core Replacement 89 ASC McLaren Mustang Reply with quote

Friends, I need to replace the heater core on an 89 ASC McLaren Mustang. I have searched old posts and learned enough to know that it is going to be a very challenging project. In several of the old posts, folks who have done this in the past have shared links that apparently show some step by step instructions on how to remove the dash and how to remove the heater core. Unfortunately those links now lead to dead ends.

I wonder if any of you who have replaced your heater core either have pictures and instructions you could share with me based on your experience with your project or if any of you know of links online that are still good that might offer some helpful pictures and or instructions. Any help would be greatly appreciated.

Thank you, Mark
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86MclarenCapri



Joined: 27 Sep 2015
Posts: 231
Location: Norfolk, VA

PostPosted: Wed Sep 07, 2016 3:33 pm    Post subject: Reply with quote

I just replaced the Heater core on my 86 and it wasn't fun. It wasn't that bad, but it took a while and I needed a hand to get the heater core in the box. I didn't take the dash completely out and I didn't take the heater/AC box out, either. I did make a note of every bolt I took out and taped and marked them. I then just reversed the order putting everything back together.

I have an AC car and I'm kicking myself for not replacing the evaporator core at the same time. I would definitely recommend doing that! Looks like I'm taking the dash apart again this winter.

Also, get a good heater core! Don't go for cheap.

It would be a good time to also change out your heater hoses and don't forget to replace (or install) the reducer in one of the hoses.

I hate to send you to another forum, but there are detailed steps and descriptions on the forums on Four Eyed Pride. I also watched a few YouTube videos on the subject.
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Dan
Norfolk, VA
86 Capri Convt Silver/Charcoal/Black
67 Mustang GTA Convt
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