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Old 03-31-2018, 09:40 PM   #1
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HVAC repair work

Had some fun yesterday and all day today tearing into the dash to remove the HVAC box and replacing all the blend doors, evap core and heater core.

Started yesterday but it ended up being a bust due to crappy tools from Autozone for removing the A/C lines from the evap core. Took me way longer than it should have to disconnect the accumulator line. So I plowed into it starting at 8am this morning, removed the dash, rebuilt the HVAC box and got everything reinstalled and the truck back on the road at 6:45pm. Only thing remaining is to have the A/C recharged. Even cleaned up the stereo wiring so that it's running over the steering column now so if I need to removed the dash or drop the column again, I won't have extra wires to worry about or cut.

Vids that I watched for tips and how-to help:

https://youtu.be/CoO9AnlVUqY

https://youtu.be/dBAtCnIxC2A

https://youtu.be/_sRvLSDALLc

https://youtu.be/sN9VUyZzLKg
























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Old 03-31-2018, 09:48 PM   #2
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I used the blenddoorusa.com kit to replace all the doors and the plastic arms with their upgraded arms. Excellent quality parts, highly recommend them if you need to replace your doors in the HVAC box.And if you are going to the trouble of removing the dash for one door, you might as well replace them all while you're in there. Save you having to do it all again later when the other doors start to break. Same thing with the evap core and heater core, replace them while you have everything apart. It's worth the extra cost as you only have to do all this the one time.
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Old 04-01-2018, 06:10 AM   #3
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Nice fun job isn’t it. Now think I do this at work in less than two hours called money in the bank! I never knew of that site for the parts good to know for future.
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Old 04-01-2018, 06:31 AM   #4
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Originally Posted by charged392 View Post
Nice fun job isnít it. Now think I do this at work in less than two hours called money in the bank! I never knew of that site for the parts good to know for future.
I could see that. Would have been much faster with air tools and an extra hand to move the dash. And I took extra time washing the HVAC box really well once I had it all apart. I actually washed all the plastic parts as I took it apart and replaced the doors so probably spent 2 hours just working on the HVAC box.
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Old 04-02-2018, 04:08 AM   #5
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Old 05-17-2019, 08:11 PM   #6
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Great information... thanks.
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Old 05-18-2019, 04:02 PM   #7
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The service writer at the dealership told me that they don't have to remove the dash to fix the blend doors. Does anyone know how to do this?
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Old 05-18-2019, 04:06 PM   #8
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There are a few tutorials on the internet. The Dorman's door I just bought has instructions to install without pulling the dash. I'm going to replace the evap core, so the dash is coming out.
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