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Toyota Avalon Water Leaks

13 messages,  Last post on Mar 11, 2008 at 1:25 PM

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#2 of 13 Water Leak in Trunk by bowler3 Jan 30, 2003 (10:16 pm)
Can anyone out there shed light on possible sources other than the obvious trunk seal for a pesky water leak in trunk? Live in the northwest with lots of rain and cannot accept this problem for long. I have removed all interior mats and linings in trunk, sat inside with flashlight and had wife run hose over tailights, all around trunk seal, even checked the sunroof rail vent holes and tubes which seem to be clear and draining o.k.     Cannot figure this one out and definately cannot afford to have dealer hunt it down yet.
#3 of 13 trunk leak by moonshadow Jan 31, 2003 (6:56 am)
Not sure where your water is coming in but where it may be puddling may be a starting point.   You mentioned the wife pouring water over the tail lihghts which reminds me of my trunk leak on a different make and model in the trunk.   After much sherlock holmes work I found that on a hard rain with wind, that the water was coming in aroung the license plaste screws. I applied silicone around and in the plastic screw holders and reinserted the screws and presto, leak gone.    A buddy had a tempo, i know not an avalon, however, where his rear quarter panel met the sill plate behind the rear window the joint sealant had crack and water was running down the edge of the rear window and along this joint and worked it way along the inner wheel well and into the trunk. Just something to think about. Water leaks can be a bugger to find as they can migrate a good distancec from their starting point.   Good luck and post again if you can be more specific as to where you might think the water is coming from after you get it all dried out.
#4 of 13 Trunk Leak by lorainemax2 Jan 31, 2003 (1:10 pm)
Hey...this may sound totally crazy but I am forever opening my trunk with the remote without knowing it. It is very difficult to tell it by looking at the car but it does lift the trunk ever so slightly above the gasket.   Could be the source....it happened to me.
#5 of 13 Water in the trunk?? by mwagner123 May 14, 2003 (8:08 am)
I recently purchased a 1999 Avalon XLS which collects some water after it rains in the spare tire compartment.   I'm not sure where it is coming from. Any suggestions on what I should look for would be appreciated.   Thanks,   Mike Replies to this message: jchow101 (May 06, 2007 5:35 am)
#6 of 13 Water in trunk by pmoskal May 15, 2003 (9:12 am)
Undoubtably the water is coming in somehow. On my new '03 Avalon there are two drainage hoses tucked up underneath each of the rear quarter panels behind the rear wheels. Whether those hoses have something to do with what you are experiencing I will check into for you.
#7 of 13 95 Avalon, passenger side floorboard is wet. by magnolialady Sep 03, 2005 (5:34 pm)
Hello, just would like to get some help with my floor board on the passenger side, which stays constantly wet. I notice this after I had the windshield reservoir filled, the carpet was extremely wet. So I had that replaced to the tune of $75 per hr for labor, I am female, so they tell me anything at the dealer, but this has not helped. The water drains out for the a/c, and the weather stripping around the window seems to be ok. I am clueless, is there anyone out there that can reccommend what possibly might be wrong. a/c works fine, taken it thru car washes to see if by chance I could see water coming in thru the window, but nothing, help!!! Replies to this message: colden (Oct 05, 2005 7:14 am)
#8 of 13 Re: 95 Avalon, passenger side floorboard is wet. [magnolialady] by colden Oct 05, 2005 (7:14 am)
Replying to: magnolialady (Sep 03, 2005 5:34 pm) I had the same problem with our 2001 XLS, Turned out to be a factory defect that was covered fully under warranty. They said a plastic drain vent pipe was the culprit. Haven't had a problem since.
#9 of 13 Re: Water in the trunk?? [mwagner123] by jchow101 May 06, 2007 (5:35 am)
Replying to: mwagner123 (May 14, 2003 8:08 am) I have a 1999 XLS, I had the same water problem. After rain or heavy snow water collects around spare tire in the trunk.   I marked the spare tire section edge with white washable marker (Kids), & I checked the trunk after a rainy day. Sure enough the water was going inside from the trunk lid bumber side. There were 3 spots which had wet white paint. Both sides close to the light section (right after spot welding), & the mddle where thruck lock is there.   Pulled the rubber linner from the trunk edge. It was wet & rusty. Then I notice body where this linner sits, & notice gap for water to enter. Take it to my garage (not the toyota) Mechanic pulled the linner around the trunk. At factory they do SPOT Welding & expect two sheet of metal to press perfectly. However, there were small gaps. He cleaned with angle grinder & put auto caulking to seal & let them dry. Clean the linner. I let it dry for a day, reseated them. No more leaks so far.
#10 of 13 Avalon leak on front pillars by cbouffard Dec 21, 2007 (5:08 pm)
Water comes dripping in right at the speakers on both of the front pillars. The dealer said that the front pillar drains for the sunroof were crimped so they re routed them. Before going to see the dealer here is what happened. The car was bone dry after being in the driveway in a night of heavy rain. It was not until I was on the road driving on the highway that I noticed that the speakers on both front pillars (next to the windshield) were dripping wet. I pulled off the road still in the rain and it seemed to slow. When I got back on the road here came the drips. It has not rained since and I can not get the leak to appear with the hose. Hopefully they fixed it but I am not confident. I would love to make sure but I do not know where to start. I was thinking that maybe air was pushing water up from under the left and right most part of the firewall. maybe somewhere near the hood hinges. I have driven about 17,000 miles with out a hint of water. So whatever is causing it has to be new. maybe a clogged drain line somewhere? Replies to this message: rpfingsten (Dec 22, 2007 12:36 am) fsteinmann (Mar 11, 2008 1:25 pm)

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