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Sienna Water Leaks

53 messages,  Last post on Nov 17, 2009 at 4:40 AM

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What is this discussion about? Toyota Sienna, Auto Body, Van

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#13 of 53 Re: Sienna water leaks resolved!!!!! [retiredcat] by jl5298 Apr 27, 2008 (1:20 pm)
Replying to: retiredcat (Mar 21, 2008 10:56 am) WoW! So glad I found this forum.   I have a 2000 Sienna, and have run into the same problem. Got into the van a week ago and though the kids had spilled something.   Only to find it kept getting worse the next day. Pulled the carpet back on the drivers side and was horrified at the stench. Then saw that it was on the pass side as well. Haven't pulled the seats out yet, but I did the hose thing while the heater was running, and didn't see any leaks. Baffled, I got out of the van, and noticed water dripping on the side that has the rear heater core monted just under front passenger seat.   I've alread recieved a new interior carpet from www.custominteriors.com. NOT CHEAP. $310.00 after S&H. But I had only assumed it's from a bad rear heater core. Thanks for the rear A/C probability . . . I'll keep everybody informed. Replies to this message: jl5298 (May 01, 2008 1:43 pm) cardsfan (Jun 04, 2008 12:45 pm)
#14 of 53 Re: Sienna water leaks resolved!!!!! [jl5298] by jl5298 May 01, 2008 (1:43 pm)
Replying to: jl5298 (Apr 27, 2008 1:20 pm) Well, once I removed the now ruined carpet, I put a hose on the roof and WALLAH!   Water running directly in from the rear door seal. Off to the body shop I go.   Good luck to all. Replies to this message: cardsfan (Jun 04, 2008 12:45 pm)
#15 of 53 Re: Sienna water leaks resolved!!!!! [jl5298] by cardsfan Jun 04, 2008 (12:45 pm)
Replying to: jl5298 (May 01, 2008 1:43 pm) A friend found this site and told me about it. WoW. I have an 04 Sienna that started leaking this past January.First on the passenger side and then both . I think it has to do with how your van is sitting when it rains. It also leaks when driving in the rain. Sometimes drips out of handles above the doors. Toyota tells me I'm the first to ever complain. Ya right. Would cost me several hundred in labor to remove head liner etc. etc. Of course I'm out of warrenty. Thanks for the possibllity of things to check. If I ever find an answer I will post. Cardsfan
#16 of 53 Just out Curiosity by honshu Jun 12, 2008 (3:40 am)
Just out Curiosity, I hope that they have fixed the leak problem for the 2008 models.
#17 of 53 Re: Sienna water leaks resolved!!!!! [carpool6] by siennastress Jun 17, 2008 (5:17 pm)
Replying to: carpool6 (Feb 28, 2008 4:25 pm) Where is the AC vent located. Is it accessible by a non mechanic? I've had the interior panel off, exposing the rear ac unit. The evaporation hose does not seem to be clogged (dealer theory). No visible water inside (carpet up) when hose runs over and under car. Couldn't pin down dealer for price to find leak. Local mechanic unclogged sunroof drains which seems to have stopped front driver side water, but rear padding still getting wet after being replaced. How do you get to the AC vent seal?
#18 of 53 2004 Sienna Water Leak by dooper67 Jun 19, 2008 (6:03 am)
Just noticed water on floor. Probably rain leak. Going to dealer (Bredemann - Park Ridge, IL) today. Hopefully it is a clogged drain. Replies to this message: dooper67 (Jun 20, 2008 6:49 am)
#19 of 53 Re: 2004 Sienna Water Leak [dooper67] by dooper67 Jun 20, 2008 (6:49 am)
Replying to: dooper67 (Jun 19, 2008 6:03 am) They said it was an a/c plugged drain and a leaking o-ring. Needed to re-charge system. 300 bucks. I think that's the first repair in 5 years (70k), so I'm still happy with the Sienna. Hoping for 150k or 10 years.
#20 of 53 2003 Sienna Roof Leak - Pours in through garage door opener panel by siennaallwet Aug 01, 2008 (11:28 am)
Greetings, and HELP!   Just had one heck of a down-pouring of rain, and went in to my van and found water running steadiily out of the Garage Door remote-control button panel in the ceiling, and pouring down into the cup holder of the console between the front two seats. When I moved the van into shelter, water sloshed up within the ceiling somewhere, and even more water gushed out of the panel.   I've never had the problem before (purchased the van new in 2003) whether the van was standing or going 70mph down the highway in a down-pour.   Can anyone help me trouble-shoot this? I''ve called the local Toyota dealer but not gotten a knowledgeable reply - likely need to "open it up".   Any help you can give me will be greatly appreciated!   Thank you! Replies to this message: siennaallwet (Aug 16, 2008 10:11 am)
#21 of 53 Re: Sienna Water Leaks [carpool6] by jlr6 Aug 12, 2008 (4:38 pm)
Replying to: carpool6 (Feb 28, 2008 4:28 pm) Ah! My van was hit in the right rear... however the water is collecting in the back trunk area. From what you've seen behind that panel could water also go down instead of forward? Are there any instructions anywhere on how to take the panels off without breaking them? Thanks much. Replies to this message: jlr6 (Aug 16, 2008 6:25 am)
#22 of 53 Re: Sienna Water Leaks [jlr6] by jlr6 Aug 16, 2008 (6:25 am)
Replying to: jlr6 (Aug 12, 2008 4:38 pm) Well, found it. When they replaced the fender they did not re-insert the drain tube from the a/c system so it was hanging inside the trunk.

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