Water leak below windshield?

[Glenn]

After any significant rain I can hear water sloshing around behind dashboard when turning corners, etc in my 2006 Prius. By the time I get over to Toyota the sound naturally has stopped and they shrug me off. The sound is NOT SLIGHT and cannot be missed. It seems that a blockage exists wherein water accumulates below the windshield rather than draining off and after bugging me for a while disappears.

Has anyone experienced this problem? Some resolution?

Thanks

[dogfriend]

Hi, check this link:

http://techno-fandom.org/~hobbit/cars/heatgames/

The page includes a step by step guide to removing the plastic cowl piece under the wipers. If you read down several paragraphs, you will find this:

This is a common problem with these cars when parked outside, and it's fairly
easy for the two small drain holes to become completely plugged up with gunk
and not let the cowl drain at all. The symptom of blockage is hearing water
slosh every time you make a turn. So it's worthwhile to get handy with at
least removing the plastic cowl cover, because a yearly-or-more cleanout of
this area may be necessary depending on where you park.[/b]

[okiebutnotfrommuskogee]

Look at the black plastic below the windshield wipers and on the pasanger's side you wil find a removable section. It says something like body serial number on it. Remove it and look down in there. You will se that the drain slot is probably stopped up. Take a piece or wire or some other small object and open it up. That will probably take care of it. Then replace the little plastic cover.

[Glenn]

Thanks, I will give it a try (and probably break something). The car is parked outside all the time and there are trees which drop stuff all over the place. Your advice makes mucho sense.