93 LeSabre Front Driver Side Water Leak and back passenger leak - Page 4 - GM Forum - Buick, Cadillac, Chev, Olds, GMC & Pontiac chat


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Old 05-02-2014, 09:29 PM   #31
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I got back to the water leaks today. When I pulled the tarp off of the car there was water in the front driver'* side. I had used an old tarp and with the torrential downpours we had even a small leak would have meant a lot of water. The back was dry as well as the front passenger side.

I pulled both back door trims off and made sure that the water shield was properly attached. The left back door panel had been off before so I tapped up any rips and made sure that the shield would do the job it is intended to do.

I think the front leak is at a seam and I put sealant along the area where I feel the leak might be as well as filling the holes in the crack sealant original to the car. The problem is there is no room to work, you can not look where you are putting the sealant; you have to do it by feel. I went ahead and put the cover back on. I will let the sealant cure overnight and water test it tomorrow. If it is still leaking, I will probably just let it go. I may drill a hole in the floor to let the water out LOL. I am not going to pull the dash to try and find the leak. I might have tried the blow test as suggested but my air compressor is down. I foolishly left it out in the rain. I have torn it down and waiting on a new set of reed valves to come in.

I wanted to get these leaks fixed because I am considering giving the car to someone that needs one but does not have the money to buy one. The old girl still runs good for a car with over 333,000 miles on the odometer although she does need a paint job.

Last edited by Kimberly; 05-02-2014 at 09:30 PM.
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Old 05-03-2014, 01:21 AM   #32
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Thanks for updating us with your progress, hopefully the front won't leak now, let us know how it goes when it rains again.
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Old 05-03-2014, 09:36 PM   #33
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I did a water test today and at first did not see any water in the front driver'* side. I also tested the back doors and I still have a leak at the left back door. I am thinking now that I should have done the water test with the door trim off so I can see better what was happening.

I did a second water test for the front letting a lot of water flow over the windscreen. I checked again and I only saw one stream of water running down along the where the parking brake cable is located.

I was looking to see where this water could be coming from. I had already check the rubber wire guide for the door; I popped it out and the foam inside around the wires was completely dry. As I was looking at the door I noticed how the water flowed over and down the car where the hinge attach and I noticed this little grey blob sticking out of a hole. See the attached photos. I examine it closer and it appeared there was a hole at the top. So I shaved the top off of the grey blob and pushed sealant into the hole a few times with my finger and then smeared a small bit on top as well. I will do another water test and report back if that was a source of a water leak.

Grey blob photos:
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93 LeSabre Front Driver Side Water Leak and back passenger leak-hole_1.jpg   93 LeSabre Front Driver Side Water Leak and back passenger leak-hole_2.jpg  
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Old 05-03-2014, 10:07 PM   #34
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It kind of looks like somebody tried to do a DIY repair to that area, I can only guess that it leaked on the previous owner, and that was their attempt to fix it, it looks like a big blob of solder, it may have rusted so they had to hog out some of the area, then try to fill it.
I could be totally wrong though, just tying to guess.
It does look like water was taking that path though, you can see below the blob/hole where dust/dirt has stuck to the area, I have seen that on my own car where leaks are present.
Hopefully that area stops leaking on you, let us know how it goes.
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Old 05-03-2014, 10:42 PM   #35
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The blob was some type of foam, it was soft/squishy to the touch. I use a flat bladed screwdriver and push the top off of the blob but did not try to push it through the hole so I had it as a backing. Then I put some silicone sealant and pushed it into the hold and then dab it on over and around the hole to seal it. The hole was perfect round so my guess was that the hole was for some purpose that was not included in my model perhaps. I will check the passenger side tomorrow and see it if is present there as well.
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Old 05-04-2014, 07:05 AM   #36
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Hmm, may have been a hole for wiring to something like a wiring harness, as you say for something not included on your model, makes sense, especially if you find the same thing on the other side.
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Old 05-04-2014, 01:40 PM   #37
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The holes are on both sides just about the door hinge, my guess it may be for mounting a different type of hinge and was either later changed and the hole plugged or whatever.

The water leak is still there, it is coming in and running down along where the parking brake cable is. At this point I am going to stop working on it as I have other things to do. I might try to stop the left back door leak.

I have been living with these leaks for a few years now. The person is going to get the car for free so they can live with them until they can afford to get another car. I have used a mirror to try and see up under the dash but there is just too much stuff in the way. I would need one of those snake cameras to get up and find the source. Maybe the water backs up under the windscreen somehow, I just have no way of tracking down the water leak without pulling the dash out and that is not going to happen.

Thanks everyone for the help, guess this is going to be one of those things that don't get fixed.
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Old 05-04-2014, 03:40 PM   #38
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Sorry to hear the leak is still there, when they get the car you may want to suggest the tarp to keep the water out, and of course a breathable car cover underneath the tarp if they are worried about scratching the paint.
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