dumpdog
Newbie
I'm sure most all of you are the same as I when it comes to cleaning out the evaporator coils in our anemic hvac system - cussing, contortions and amazement of how all that stuff gets in there. So I finally had it and was going to solve this once and for all. So here's what I came up with, going to refine/tweak it a lot more, wanted to be sure all was performing as designed. Hope this helps someone out or generates better ideas/solutions
Remove wiper arms and cowl grille, on the passenger side cowl, there will be a 'tear drop' shaped panel covered in old sealant/adhesive, remove sealant, access panel then can be removed. Directly below the access panel will be the fresh air intake. Cut one piece of filter media to fit snuggly inside fresh air intake opening, cut another piece of filter media oversized (to prevent falling into opening). One of the long side edges will need to be flush with each other due to the fresh air intake opening butting against the firewall. Glue both pieces together (I used some high strength spray adhesive, also ran a piece of safety wire thru both pieces...just incase). Install filter media into/on top of fresh air intake, if everything is cut right, it should be a very tight fit. Install access panel, I used some aluminum tape to hold/seal it back up till I figure out a system to get in and out of there to service the filter. I also cut a piece of this media and installed over my re-circ grille/opening in the cab...have labs that like dog rides. I went with this type of filter media due to it provides a measureable amount of filtration but does not impart flow restriction. Also, the best tool I ever used to get in and clean the coils is the magazine well brush...should need that anymore thou.
Oh ya looking at ~ $10 for filter media...better than the $33 I just paid for my mustangs' cabin air filter!!!
Remove wiper arms and cowl grille, on the passenger side cowl, there will be a 'tear drop' shaped panel covered in old sealant/adhesive, remove sealant, access panel then can be removed. Directly below the access panel will be the fresh air intake. Cut one piece of filter media to fit snuggly inside fresh air intake opening, cut another piece of filter media oversized (to prevent falling into opening). One of the long side edges will need to be flush with each other due to the fresh air intake opening butting against the firewall. Glue both pieces together (I used some high strength spray adhesive, also ran a piece of safety wire thru both pieces...just incase). Install filter media into/on top of fresh air intake, if everything is cut right, it should be a very tight fit. Install access panel, I used some aluminum tape to hold/seal it back up till I figure out a system to get in and out of there to service the filter. I also cut a piece of this media and installed over my re-circ grille/opening in the cab...have labs that like dog rides. I went with this type of filter media due to it provides a measureable amount of filtration but does not impart flow restriction. Also, the best tool I ever used to get in and clean the coils is the magazine well brush...should need that anymore thou.
Oh ya looking at ~ $10 for filter media...better than the $33 I just paid for my mustangs' cabin air filter!!!
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