Question about 2000 Toyota Sienna

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2002 Toyota Sienna Sunroof

Any ideas how to fix a sunroof on an '02 Sienna with a sunroof that leaks like a sieve? Had it to the dealer a few years ago and they said the drain hose became unattached. Didn't leak for a while. Just started again, worse than ever. Re-attached drain hose with a better clamp-drain hole and upper protion of hose has no obstructions-can't find where hose leads to after entering front left pillar to check foe blockage further down. Am I missing something?

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  • ron_cavalier Sep 17, 2008

    Thank You!

  • sahmed8028 Nov 30, 2008

    I have a Toyota Camry 1997. I had sunroof leaking problem, took it to a dealer, and it was good for a while and now it's leaking again even more. My back seat passenger side floor has a little puddle. Front passenger side leaks from behind the wheel area, between front passenger door and the body.But no puddle in the front. I don't know what to do. Do you have any suggestion?



  • Dizz-831 Feb 16, 2009

    I have an 06 XLE w/ 23k miles and couldn't help to notice a nice shot of cold rain water shoot down my back as i backed the van out of the driveway this morning! I hear there are drains that can be plugged or hose disconnected.



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There are 4 drains on the sunroof (2 in each front corner, 2 in each rear corner).
If you want to check to see if they are clear, you can do this.

Get a squeeze bulb (about the size of a turkey baster) and squirt water down each drain, look for water draining out at the bottom of the car. For the rear drains, park the car on a slight uphill, and gently squeeze water down the drain trough on each side, here again, look for water draining out of the car.
If those ar clear, next step is to check the seal of the glass. The drains are only designed to take in a small amount of water, if there is too big of a gap between the panel and the body, it will over run the drain troughs (kind of like when the gutters on a house get stuff in them).

Finding water leaks is kind of a pain, but not if you take it a step at a time.
One thing to remember, water does not run uphill.

So to further water test it. Find a place where you can park it uphill or downhill, grab a flashlight, a friend and a hose.
Start at a low spot, and work your way around the sunroof (one person inside with the light, one outside with the hose). Just let the water run slowly, you don't want to use a nozzle or a spray.
Once you can see when the water starts leaking on the inside, you can narrow down the cause.

Posted on Sep 08, 2008

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