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Toyota Avalon Water Leaks

8 messages,  Last post on Apr 10, 2012 at 5:38 PM

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What is this discussion about? Toyota Avalon, Interior, Sedan

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#1 of 8 Water leaks inside car by bobdp1

Jun 13, 2008 (6:14 pm)

My 2006 Avalon Ltd has been in shop for 3+ weeks for water leak. Second time water has gotten into car. 1st time was a cracked cowl at windshield, took 3 trips back to get the moldy, smelly carpet replaced. this time the leak is from a disconnected hose at sunroof that let water under carpet behind driver. Toyota is replacing carpet again, cleaned interior metal surfaces with bleach to get rid of mold, and replaced all seat foam. I am worried that once the warranty is up I will continue to have water leaks. Anyone else having water filtration in cabin? And don't get me going on the worthless nav system, for 2500 bucks it doesn't reliably take you anywhere.

#2 of 8 Re: Water leaks inside car [bobdp1] by rpfingsten

Jun 14, 2008 (12:23 am)

Replying to: bobdp1 (Jun 13, 2008 6:14 pm)
bobdp1...
 
   I have an 07 avy xls and about 3 months after I bought it I ran into a water leak.. My car was parked in a parking lot during a down pour.. when i got in the car I noticed a little water on the dash.. thought it must have been something I "splashed" in in my haste to get into the car and out of the rain.. but when I started to drive the car, I noticed water coming out of the speakers on both A pillars..... couldn't believeit... took it straight back to the dealer.. turns out drain tubes on the sunroof were not "hooked up".... they hooked em up and havent had a problelm since..
 
Roland

#3 of 8 Re: Water leaks inside car [rpfingsten] by bobdp1

Jun 14, 2008 (7:54 am)

Replying to: rpfingsten (Jun 14, 2008 12:23 am)
Roland,
Thanks for the response. This same drain tube at the sunroof became detached and lead to the water getting under the carpet.

#4 of 8 Avalon sun roof leak by tim93

Jul 23, 2008 (10:34 am)

I just ran across this problem on our car.Believe it or not this is a easy fix if you have some mechanical skills.What I believed happened is when the factory installed the rubber drain hoses to the drain outlet on the sunroof they did'nt factor in that the hose might shrink during heating and cooling of the car and the hose pulled away from the drain the same amount on both sides.To fix:disconect battery,waite 10 minutes,open sunroof and remove the inside molding around headliner,should pull right off,pull down the hand grab handle and pry off the cover caps carefully to expose the mounting clips,with a screwdriver or needle nose pliers squeeze the clip and pull handle off,then remove the plastic cover on the sunvisor pivot to expose two phillips screws to remove the sunvisor,you don't have to completetly remove it,let it hang,next the side pilar cover has to be taken down,there is a rubber molding and one clip holding it up,pull the molding back enough to reveal the cover,pull it out enough to get to the clip,I took a pair of needle nose pliers and twisted the clip to get it out,set the cover on the dash,this should give you enough room to pull the headliner down(front corners of sunroof) to see the end of the hose,pull the hose toward the drain and slip it over the drain fitting,take a wire tie and put it over the hose so this will not happen again,reverse taredown prosedure,do other side same way and you're good to go,,,hope this helps.

#5 of 8 2000 Avalon water leaking inside by toyavalon2000

Apr 26, 2009 (12:40 pm)

2000 avalon xl with xls features with moon roof leaks at front door where the seam is at the frame and wets floor and carpet.
Some people think call it the a frame.
The moon roof does not have any internal drains that i can find.
I can't find and specs or images of moon roof layout.
When closed water runs down the front windsshield side.
So is it leaking inside of moon roof frame or is the windshield leaking.
 
I just found this.
So moon roof or windshield?
 
Component Description:
34. STRUCTURE:BODY Bulletin Number: BO03100
Bulletin Date: NOV 2000
  
Vehicle: 2000 Toyota Avalon
Summary:
PRODUCTION IMPROVEMENTS HAVE BEEN MADE TO MINIMIZE THE GAP BETWEEN ROOF BODY PANELS. A FIELD FIX IS AVAILABLE FOR INSTANCES WHERE THE SEALER UNDER THE ROOF MOLDING MAY BE INCOMPLETE ALLOWING WATER TO ENTER THE VEHICLE. ( NHTSA ITEM NUMBER - 616099 )
  
And what is the best fix?
Thanks....

#6 of 8 Re: 2000 Avalon water leaking inside [toyavalon2000] by toyavalon2000

Apr 27, 2009 (3:45 pm)

Replying to: toyavalon2000 (Apr 26, 2009 12:40 pm)
My car leaked on the left side and next the right side so i think it's clogged.
I called the dealership it's a about 250.00 to take it apart and clean it.
Way too much.
OK i find these 2.
On another forum a guy said use a air pump to see it it clears and another a guitar string to auger it out.
So if anyone else has a problem hopefully they can fix it.
 
http://www.toyotanation.com/forum/showthread.php?t=270195
 
http://www.corrado-club.com/faq/detail_faq.CFM?FAQID=144
 
I'll try it tomorrow and let y'all know how it goes.
Good Luck to ALL!

#7 of 8 Leaking moonroof drains by shoretom

Jan 28, 2010 (10:13 am)

Owned a new 2001 Avalon Limited and I bought my 2007 Limited new. All was fine with the 2007 until about 45000 miles. Noticed a bad smell in the car that got worse. Turned out the moonroof drains had become detached. By time problem was diagnosed there was mould smell in car bad enough that I could not drive it without the windows down. I was out of warranty due to mileage, but when I pushed Toyota, to their credit they did the right thing and replaced the carpet the pad and the soundproofing that is sprayed on the floor pan at the factory. After additional trips back to the dealer to kill the smell it finally was conquered, though this whole process took 8 months. My opinon is that the quality of American assembled Toyotas is inferior to when the Japanese assembled them. Sorry USA.

#8 of 8 Re: Avalon sun roof leak [tim93] by bill93711

Apr 10, 2012 (5:38 pm)

Replying to: tim93 (Jul 23, 2008 10:34 am)
Thanks Tim93. Fixed the problem today. Couldn't really peal back the headliner very easily but I got my hand between the pillar liner and the opening in the headliner at the sunroof. Sure enough there was the hose, off the drain. However, it had a clip. Luckily it could be manipulated by hand and I squeezed it and put it back on the drain. I couldn't really see that there were drains on all 4 corners though, maybe just the front two. Guess Ill know if they start to leak also.

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