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Dodge or independent techs- '16 Challenger a/c drain problem #2500693
05/26/18 02:56 PM
05/26/18 02:56 PM
Joined: Jan 2003
Posts: 8,666
Buford, GA
I_bleed_MOPAR Offline OP
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I_bleed_MOPAR  Offline OP
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So the evap drain is stopped up in the wifes Challenger. Took it to dealer and they blew air into it and cleared it for about 30 min. before water started dripping out of the blower motor again. Put it up on stands to see if there was anything I could do to clear it with mechanical fingers or a coat hanger. No joy. Cut the boot so I could get my finger up in it and feels like the actual drain from the evap case is only about 1/4" in diameter. shruggy No wonder the d@₩★ thing is stopped up.
Any secrets someone would care to tell me about to clear this thing short of taking the dash and evap case out?
My thought is to drill a hole in the front corner of the case and run some rigid plastic tubing down to the body plug in the floor. mad



Tim


'71 Charger 383/727
'17 Challenger SXT (Wifeys car wink )
Re: Dodge or independent techs- '16 Challenger a/c drain problem [Re: I_bleed_MOPAR] #2500714
05/26/18 04:44 PM
05/26/18 04:44 PM
Joined: Jan 2003
Posts: 8,666
Buford, GA
I_bleed_MOPAR Offline OP
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I_bleed_MOPAR  Offline OP
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Never mind. smile
Daughter talked to friend who is a Dodge tech. Told her it was pretty common problem that sometimes required R&R of evap case.

SO (Frank Sinatra voice) "I did it my way". (/Frank Sinatra voice) biggrin

Carefully drilled a 1/2" hole in front right corner of case. As expected, water came pouring out. After cleaning that up, I ran a length of 1/2" rigid plastic tubing down alongside the tunnel and across floor to body plug. Caulked up both holes and will put glove box and other pieces back in after caulk dries and I verify no leak at case. boogie



Tim


'71 Charger 383/727
'17 Challenger SXT (Wifeys car wink )
Re: Dodge or independent techs- '16 Challenger a/c drain problem [Re: I_bleed_MOPAR] #2500918
05/27/18 08:26 AM
05/27/18 08:26 AM
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Florida
BDW Offline
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BDW  Offline
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Interesting, got any pics of what you did?

Re: Dodge or independent techs- '16 Challenger a/c drain problem [Re: BDW] #2500956
05/27/18 11:41 AM
05/27/18 11:41 AM
Joined: Sep 2003
Posts: 19,192
north of coder
moparx Offline
"Butt Crack Bob"
moparx  Offline
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north of coder
i have seen this problem many times in all makes and models. it is usually caused by dirt, dust, and debris being ingested through the plenum box fresh air intake around the cowl area. leaves and pine needles are really good for this, as well as just common dust, which, with moisture, turns to mud in the box. when enough gunk gets in the box, it blocks the drain channels, causing the problem you have now. your solution should work, but be aware that having the evaporator continuously immersed [even a tiny bit] in this stuff will, eventually, have you pulling the dash for replacement. been there, done that [your drain trick, and it does work !], got the T shirt afterward, not liking the job whatsoever ! [multiple times doesn't make it any more fun !]
beer

Re: Dodge or independent techs- '16 Challenger a/c drain problem [Re: BDW] #2501012
05/27/18 03:14 PM
05/27/18 03:14 PM
Joined: Jan 2003
Posts: 8,666
Buford, GA
I_bleed_MOPAR Offline OP
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I_bleed_MOPAR  Offline OP
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Originally Posted By BDW
Interesting, got any pics of what you did?


I'll try. Daughter gone in it right now.
moparx- I have several Toyota evaporator cleaner kits on hand and am a firm believer in them. If you haven't used an aftermarket kit, try one. If it works as well as a Toyota one you won't believe the crap that comes out the drain. up
Now that I can get to it, I'll be using one regularly. wink



Tim


'71 Charger 383/727
'17 Challenger SXT (Wifeys car wink )
Re: Dodge or independent techs- '16 Challenger a/c drain problem [Re: I_bleed_MOPAR] #2501264
05/28/18 11:01 AM
05/28/18 11:01 AM
Joined: Sep 2003
Posts: 19,192
north of coder
moparx Offline
"Butt Crack Bob"
moparx  Offline
"Butt Crack Bob"

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Posts: 19,192
north of coder
toyota evaporator cleaner kit ? work i'll hafta check that out. i never heard of it before. i do, however, know how much crap can get in there though ! a preventative "flush" now and then would be a great idea on all vehicles, in my opinion, and could avoid a task that is not pleasant in the least ! thanks for the suggestion !
beer







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