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Old 07-12-2018, 12:05 PM   #1
90volvo
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Default cleaning evaporator

is there a way to get in and clean evaporator on 90 240. Figured it has to be dusty and dirty with 20 plus yrs. Or is it to much work to get to it?
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Old 07-12-2018, 04:06 PM   #2
dl242gt
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Wurth used to make a spray that you spray in the vents to help clean the evaporator. Their stuff has always worked well.

Here is the stuff I used. https://www.amazon.com/6oz-Wurth-Hea.../dp/B000GQNJX8

Last edited by dl242gt; 07-12-2018 at 04:10 PM.. Reason: added product
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Old 07-12-2018, 04:10 PM   #3
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I believe the easiest way is not easy: disconnect the lines and remove it from the climate unit to clean. Cleaning it makes sense- good chance of mold there. Once the evap is out you can somewhat vacuum inside the unit too.
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Old 07-13-2018, 02:10 AM   #4
90volvo
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was wanting to clean the outside of the evaporator for better airflow. Thought about using this but dont know if I can get to it? Just curious if anybody has done it before and if any tips. I dont want to or will not disassemble the dash. Anyway thanks.
https://www.amazon.com/Lubegard-9603.../dp/B0007PHD0S
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Old 07-13-2018, 02:58 AM   #5
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Put a leaf blower to it, seriously
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Old 07-13-2018, 11:53 AM   #6
ZVOLV
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At the shop there's a procedure where we cut about a 19mm hole in a certain vent, shove a spray wand applicator in there, then blast antimicrobial spray, then reseal the hole with a plug and RTV.
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Last edited by ZVOLV; 07-14-2018 at 01:27 PM..
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Old 07-13-2018, 12:33 PM   #7
DET17
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Quote:
Originally Posted by Jack View Post
Put a leaf blower to it, seriously
The last 2 I've viewed both were filled with leaves on the entrance side (from fan to evap. coil case). I just vacuumed out my 92 745 which was barely possible by pulling the resister pack out of it's mounting hole..... used by $30 Amazon camera on endoscope (bluetooth to your phone, fabulous tool for remove vision). Detox would be a good idea as well to kill the mold that no doubt is living there.
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Old 07-13-2018, 11:42 PM   #8
90volvo
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Default leaf blower would be a good eda

Quote:
Originally Posted by Jack View Post
Put a leaf blower to it, seriously
question is which vent would be best to still it in? I would think you would want to back flow it, so with that thinking any vent would be good or blow thru all of them one at a time.
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