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08-16-2015, 06:50 AM #1
a/c moldy stale smell. How unclog evap drain hose
Next newbie question: i've got that moldy smell a day after a/c runs, and folks say a simple clogged evaporator drain hose. But, what is BEST way to clean or unclog it with simple tools? Video, pics. Thanks.
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08-16-2015, 09:05 AM #2
run a coat hanger up that hose....is your passenger carpet getting wet? If not it may not be a clogged hose but just moisture in the vents. My truck is bad about doing that. When it's real humid for a while it'll have a musty smell when you first turn on the a/c. I just make it a point a couple times a summer to spray some lysol into the outside air induction vent with the fan on high. Problem solved.
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08-16-2015, 04:49 PM #3
Thanks. Do you know where the evap drain hose on '99 Firebird is found under the hood? I don't think my carpet wet. Smell is just from the vents. A/c had not been workimg for over a year per prior owner, and i just got it going with the Refrigerant charge/bottle. On my darn Japanese wagon, you can't miss it cause it leaks like a broken fire hydrant on every parking spot ! :-)
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08-16-2015, 05:08 PM #4
Drain hose is accessed from under the car, back by the firewall, maybe passenger side if I remember correctly.
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08-18-2015, 07:07 AM #5
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- Jun 2011
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- Branchville, NJ
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Silver & Blue- 02 Camaro SS, 04 GTO
Don't forget the Lysol, you may have some mold in the box.
My ride is a 2002 Camaro SS SLP #3296 with 30k, LTH, 3" Y, CME, Frost tune, K&N, ported TB, Blackwing lid, Bellows, MSD, Denso Iridium, and 85mm MAF, Bilsteins, Eibach springs, SLP strut brace, Adj. Panhard, TA Girdle, UMI, Pro 5.0, Nitto NT555
My wife has a 2004 GTO with the rare SAP, 18" wheels, K&N Cold Air System, MSD, Ported TB, Frost tune, Denso Iridium, Flowmaster cat-back, 3200 Yank, 75k
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