2015 Rear AC Evaporator - Filthy - Ford Transit USA Forum
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post #1 of 8 (permalink) Old 04-01-2019, 09:06:AM Thread Starter
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2015 Rear AC Evaporator - Filthy

I bought a 2015 Passenger XLT 350 that has the rear AC option. Apparently the previous owner had lots of long hair and filthy children.

Attached are some pictures of the rear evaporator covered in dirt. I can't figure out how to clean this off the coils. I blew air across it but for the most part it didn't release much and I felt like I was driving the dirt even deeper into the coils. I attempted to take apart that section so I could vacuum it but it appears I have to disassemble the entire thing - motor included.

Surely they made it easier to clean these coils? Anyone have any tips? I'm thinking of just cutting out the plastic hex guards, and then retrofitting a protective cover after I vacuum.

Thoughts?
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post #2 of 8 (permalink) Old 04-01-2019, 09:27:AM
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How small are those hexes? You can buy very small vacuum attachments at Lowe's or Home Depot. While intended for shop vacs, they can probably fit to a home vacuum, as hose adapters either come with the kit, or can be purchased. Mine will fit into a 9/16 inch hole.

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post #3 of 8 (permalink) Old 04-01-2019, 11:14:AM Thread Starter
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Originally Posted by EddieZ View Post
How small are those hexes? You can buy very small vacuum attachments at Lowe's or Home Depot. While intended for shop vacs, they can probably fit to a home vacuum, as hose adapters either come with the kit, or can be purchased. Mine will fit into a 9/16 inch hole.
I will look into that - I would guess they are around 1/2" to the 9/16" range that you mentioned
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post #4 of 8 (permalink) Old 04-01-2019, 06:55:PM
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Dog hair I would guess, (Lots of show dog owners on this forum.)

I have had a dog for most of my 60 plus year life and eventually you learn how to eat dog hair.
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post #5 of 8 (permalink) Old 04-18-2019, 08:04:AM Thread Starter
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I ended up cutting out the webbing and using the shop vac. Still lots of debris/dust in there... going to try one of the automotive condenser cleaners and see what happens. I'll eventually build a box around the fan and put in a cut up house filter.
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post #6 of 8 (permalink) Old 04-18-2019, 09:01:AM
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The Professional method is to use foaming coil cleaner.
Your best and most plentiful cheap supply source is Home Depot or Walmart .

The service issue you face is a common one in big class 8 trucks especially with sleeper cabs.
Dog hair, dander, and airborne junk coats the evaporator of the sleep HVAC unit causing heat transfer issues.

You might want to search around for a version of Frigifresh in the automotive supply world by BG brands but its expensive. Killing bacteria there is also a bigger can alternative by Zep chemicals , called Zepamatic kills bacteria like legionella'. One has a English country garden fresh air which is pleasant to occupants once the job is fixed.
I use both of these product lines in my automotive repairs ships for all HVAC repair tasks.
All the best
Dennis
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post #7 of 8 (permalink) Old 04-18-2019, 09:38:AM Thread Starter
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Originally Posted by lindenengineering View Post
The Professional method is to use foaming coil cleaner.
Your best and most plentiful cheap supply source is Home Depot or Walmart .

The service issue you face is a common one in big class 8 trucks especially with sleeper cabs.
Dog hair, dander, and airborne junk coats the evaporator of the sleep HVAC unit causing heat transfer issues.

You might want to search around for a version of Frigifresh in the automotive supply world by BG brands but its expensive. Killing bacteria there is also a bigger can alternative by Zep chemicals , called Zepamatic kills bacteria like legionella'. One has a English country garden fresh air which is pleasant to occupants once the job is fixed.
I use both of these product lines in my automotive repairs ships for all HVAC repair tasks.
All the best
Dennis
Perfect - thank you Dennis!
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post #8 of 8 (permalink) Old 04-18-2019, 01:22:PM Thread Starter
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That stuff really works - I bought this https://www.homedepot.com/p/AC-Safe-...-921/206740351 and after two applications it really helped clean it up!
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