Question about 1998 Nissan Altima

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Water leaking into passenger side floor --seems like something is clogged with my AC lines --temp excellent but water is leaking into passenger side floor board

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Anonymous

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Where your battery sits look inside there maybe some twigs and leaves blooking the drainage holes look all along there i had similar problem on vw passat no arm in looking hope this helps?good luck

Posted on Aug 03, 2009

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drallim

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Possible loose, cracked, or plugged drain hose from the evaporator case. If the leakage is anti-freeze, the heater core is leaking (same area).

Posted on Aug 03, 2009

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1 Answer

08GMC Acadia leaking water on the floor when ac is on. We took the car into the dealership & they cleaned out drain lines to make sure there is no clog. Still is happening. Any other reason for this?


The AC box that contains the Evaporator core is not sealed properly, or the drain is clogged again. Check the drain again, it exits under the car on passenger side base of engine bulkhead.

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When i run air condition leaks water on passenger side floor mat


The usual problem when this happens is that the drain line from the AC condenser is plugged causing it to fill up with water which eventually finds a way out and drains onto the passenger side floor. It is fairly easy to fix but requires getting underneath the car on the front passenger side, locating the drain line, normally a flexible hose coming down through the frame roughly below the dashboard. and running something like a coat hanger up through the drain line to remove the blockage. Beware that water will start to run out the hose as the blockage is removed.
Some cars have this problem more frequently than others and you may have to repeat this procedure every year or so. When it starts dripping water on the passenger side again it's overdue.

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Ac hose leak?
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Hint: it leaks when it RAINS

If it were related to the heater core or the AC drain, it would be leaking when it is not raining also, so those diagnoses are not logical.

The grand prix has a long history of floor leaks from seal failures around the air intake under the windshield cowling, where RAIN water runs in.

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Water drips onto carpet on passengers side front foot area. Can be seen dripping from plastic air ducting above foot area. how to figure out how its getting in. Have replaced windshield.


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If your vehicle has anti freeze in it when you turn the defrosters on it will smell sweet. If it does you have a leaking heater core. If it does not then the drip line is clogged.

To clear the drip line get under the vehicle and snake the drip line on the firewall. It usually is a 90 degree rubber or plastic piece on the passenger side about a third of the way up the firewall. A leaking heater core means it has to be replaced and not really a job for someone that is not exsperienced.

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Yes, you have a drain line on the AC unit in front of the passenger seat, it comes through the fire wall and it gets clogged easily, find it, clear it and no more wet floor. It will flood the floor if you don't. Check it out.

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1 Answer

Water is leaking in the passenger side floor when the ac is on. 2008 tribeca.


This means your air conditioner drain tube is clogged. This will take about a hour shop rate to repair or if you look behind the glovebox you will see it. Thanks

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3 Answers

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Auto ac units have an outside drain for the condensation. If you ever noticed a car running and it looks like it's leaking something on a hot day it's the condensed water from the ac unit draining. What you have is a clogged or disconnected drain hose.
You need to find the hose and drain and reconnect them. Sounds simple, good luck.

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