Re: [DML] AC Leak In Passenger Compartment?
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Re: [DML] AC Leak In Passenger Compartment?



This is a relatively common problem.  The drain hose takes a rather
indirect route to get to a place where it can actually drain.  Debris 
from the cowl vent gets into the exchanger and turns to compost.
This dirt gets pulled into the drain hose by the condensation from 
the evaporator and eventually plugs up the hose.  The condensation
either overflows the exchanger or it causes condensation to form on 
the outside of the exchanger, which drips onto the carpeting. 

There are a couple of things you can do.  You can try hooking a 
shop vac to the drain hose and try to pull the gunk out.  You should 
be able to see the hose peeking out near the frame at the rear of the right 
front wheel well.  This is a temporary fix at best, as it only gets what is
blocking the hose.  There is more stuff in there.  A better choice is 
to line the passenger footwell with lots (and I mean LOTS) of towels, 
remove the blower motor from the exchanger, and use a garden hose in 
short bursts of spray to try and rinse out the accumulated mess.  I also
run the shop vac while doing this, to help draw the water out.  The best
fix is to dismantle the whole mess and give it a good cleaning.  This is
hard to do as not all of the fasteners are easily accessible without 
dismantling a lot of what is under the dash.  

--
Mike


-------------- Original message from "Christopher W. North" <chris.north@xxxxxxxxx>: -------------- 


> Hello all. 
> 
> This past weekend I took a trip out of state in my D and later learned 
> that I had accumulated a large amount of water under the passenger side 
> carpets. The day was sunny and hot so no moisture got in from the 
> underside of the car. I have to assume this is water from the AC unit. 
> 
> What are some things that would cause this large amount of water to 
> gather unnoticed on the floor boards of the passenger side (only a 
> minimal amount of water gathered on the driver side)? The only thing 
> that I can come up with is that the drain hose somehow came loose from 
> the AC down spout. If that's the case, any good ways of fixing the 
> problem? Are there other ways the water could have gathered? 
> 
> Thanks in advance for the help, gang. 
> 
> Chris North 
> #1722 


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