anyone know why water leaks into the cab from under the dashboard?

Asked by Aug 26, 2013 at 11:40 PM about the 2009 Toyota Tundra

Question type: Maintenance & Repair

Took it to a certified mecanic and thought it was a plugged ac
overflow hoses  he said all the hoses were clear  anyone know
whats up with it?

3 Answers


Do you have a leak when the windshield wiper "tray" fills up with water or all the time ? Look to see if the water is building up in the wiper mechanism "tray" (drains not cleaned out) and causing it to overflow down the inside of the firewall and enter into the cab where the wiring harness, steering column or heater/AC plenum box passes thru the firewall.

3 of 3 people found this helpful.

Seems to be after I've used the ac for awhile. And the condensation container is full.


Check to make sure the condensation drain line is connected properly or even installed correctly. Condensation should not build up anywhere, it should drain out immediately to the ground.

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