Question about 1996 Saturn SL

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1994 Saturn SL Air Conditioning Condensate Leaking onto passenger side floor. Where is the drain hose located? I can not find by visual examination!

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  • gjehrenstein Jul 17, 2008

    Mine is accumulating in the pass back seat floorboard. The front pass floorboard does not appear to be wet, but a little wet on the driver's side. Back driver side floorboard is dry.



    I don't know where the condensate drain is to check it for a blockage.

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OK, I found it. It is on the passenger side, on the fire-wall towards the engine. You may be able to see it from the top, but you really need to be under the car. I found it helpful to turn the wheel hard to the left, then crawl behind the right (passenger) front wheel. I am a big guy and couldn't fit under the car from the front. I don't have floor or bottle jack, nor jack-stands, and DEFINITLY DON'T TRUST THE TIRE-CHANGING JACK. So I just squeezed under the car without jacking it up, and found it.

It is a short tube that pokes out, about a 1/4" in diameter. It only sticks out about a 1/2".

I have a CO2-powered blow-gun that has a rubber collar (it is used to clear out lines in refrigeration), and it just blew out the clog. You may be able to put a short piece of flexible tubing over that nipple and just blow it out (don't ****, you may get all kinds of gunk, lol).

Or you may be able to "gently" push a flexible wire (#12 or so solid copper wire, like Romex) to open up the clog.

Once I got the clog open, quite a bit of water came out. It has been working fine since then.

BTW, I had pulled up the carpet to see where the water was coming from and going. There was some water on the passenger front floorboard, but most of it was flowing to the passenger back floorboard along the hump. Since it's a front-wheel drive, the hump is actually for the exhaust pipe. I guess that's obvious for the "car guys" but it wasn't for me until I got under the car.

Good Luck

Posted on Jan 27, 2009

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Its usually underneath the car.

Posted on Jan 27, 2009

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Why does my 2004 Saturn Ion AC leak water into passenger side floor?


The condensation drain line has either gotten plugged or has fallen off.

The component of an A/C system that makes the air cold is called the evaporator, logically it needs to be in the air-conditioned space. In cars it's nearly always in the dashboard on the passenger side.

Warm air holds more moisture than cold air, so as air is circulated through the evaporator to cool it, the moisture in the air condenses back to liquid, like a mini rain shower in a box. That water, usually called condensate, has to go somewhere so there is a hole in the bottom of the evaporator and a tube to carry it out of the cab, through the firewall, into the engine compartment and onto the ground.

If the tube becomes plugged, condensate will accumulate until it overflows an air vent. If it comes off or cracks, the problem is obvious. It's pretty common for a condensate drain in a car to plug, junk falls into the intake vent that won't fit down the drain.

Clearing it would be simple if getting to it wasn't so involved, check your service manual for details.

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Water on passengr side floor


Some ideas for you:
Usually the problem is the drain hose from the air conditioning in your vehicle is leaking or plugged up or was damaged somehow and the condensate water is running onto your floor. Was the car even in an accident where the right front fender was involved? Might you have insects such as a mud-dauber wasp might have built a mud nest inside the bottom of the drain tube? The drain tube usually would drain the water only when running the A.C. out under the feet of your passenger, but under the car, not inside.
I just finished two years of chasing a leak that was on the driver's side of an old Honda Civic, to find salt had eaten a hole in the firewall under the windshield behing the driver's wiper assembly.

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I have a 2006 saturn ion 2. Just recently, my ac is draining into the passenger floor board. How do i fix this ?


Bulletin No.: 03-01-39-011B
Date: November 22, 2005
TECHNICAL
Subject:
Water Leaks Into Passenger Compartment Through HVAC Module Condensate Drain Tube When Parked on Incline/Uphill Position (Install Auxiliary Drain Tube Extension)
Models:
2003-2006 Saturn ION Sedans and Coupes
Supercede:
This bulletin is being revised to include the 2005 and 2006 model years. Please discard Corporate Bulletin Number 03-01-39-011A (Section 01 - HVAC).
Condition
When vehicle is parked on an incline with the front end up during a rainstorm or when driving uphill during a rainstorm, water may leak into the passenger compartment through the condensate drain tube opening of the HVAC module.
Cause
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Correction 1. Open the hood and locate the HVAC module condensate drain tube in the engine compartment on the right side of the dash panel.
Important: During installation of the auxiliary drain tube, do not make contact with the HVAC module foam gasket located at the base of the HVAC module condensate drain tube. If the auxiliary drain tube is pushed on too far and makes contact with the foam gasket, water may leak into the passenger compartment.
2. Slide the auxiliary drain tube onto the HVAC module condensate drain tube and make sure that the auxiliary drain tube is angled downwards after installation.cansmo_121.gifcansmo_122.gif

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2 Answers

Our 1997 TSI Grand Cherokee air conditioner is leaking in the passenger side. How do we fix it?


You preliminary diagnostic about leak is hafl correct, but this is of a clogged A/C drain hose. It's a very common thing to happen. Here some details:

If your vehicle has an A/C drain hose, it will be located on the engine side of the firewall, below where the two A/C lines go through the firewall.


NO: 24-18-94
GROUP: Heating & A/C
DATE: Nov. 18, 1994
SUBJECT: Condensate Drain Tube Eliminated


MODELS:
1994-1995 (AN) Dakota
1993-1995 (XJ) Cherokee


DISCUSSION: The above vehicles no longer use an air conditioner condensate drain tube. Cherokee's built after September 3, 1993 (MDH 09-03-xx) and Dakota's built after June 1, 1994 (MDH 06-01-xx) no longer need the condensate drain tube. Do not install in the field or submit a shortage and error request.

Somewhere just below the Suction and Liquid Lines you will see a small black hose coming through the firewall and pointing down. This is the A/C drain hose. Take a piece of wire and snake out the hose. This will clear the blockage and allow the water to drain out.


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You may have to remove the drain hose completely. If so, it just pulls right out and you can slip it back on easily enough.


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Also, in this link could find other details with images: Condensate Drain on Jeep Grand Cherokee



Hope this helps to solve it (remember to rate and comment this free answer).

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The a/c evaporator has a drain tube that allows moisture to drain out of the car. The tube will stick down on the lower, passenger side of the engine just in front of the fire wall. You can usually only see it from below the car. Sometimes these drain tubes can get clogged with leaves or other debris from the road which doesn't allow it to drain so it backs up and leaks water onto the passenger side floor. Try to locate this drain tube and clear it out. Compressed air works pretty good for this.

Good Luck!

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1 Answer

Water from air conditioning leaking into passenger side, under dash and onto floor?


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