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2014 Impala LTZ

Hello, I recently purchased a 2014 Impala LTZ. I read about the leaky trunk and checked mine and sure enough I’m a winner. I dried it out all the way and I have ran water on the tail lights and no water gets in, also washed the car and still dry. Are there drains in the trunk that may be clogged or any other place I can look? Also my mirrors do not work at all...nothing. I have checked all fuses and all are good. Any suggestions what I should do next? Does anyone’s front end smoke after washing it? Is there a good place to look for diagrams like the sunroof, how to remove and replace the paper backing on the moon roof shade etc. things like that, Clogged moon roof drain? Been searching for answers and these have piled up on me but Any suggestions are very much appreciated Thank you
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I also have a 2014 LTZ. I drilled a 5/16 hole in the low point under the spare tire. I moved my jack and put it in the foam storage area behind the tire.
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Thanks That should would help. I just remembered when I noticed the water I felt around way in the back against the seats and I believe somewhere back there is where it’s coming from. I’m still not sure what that could be though?
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So sorry this happening to your Impala. Have not found any water in my 2014 LTZ and certainly hope it stays that way but further information would be good just in case!!!



Anything worth doing is worth doing right!

Ed
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Originally Posted by Ltzimpala14 View Post
Hello, I recently purchased a 2014 Impala LTZ. I read about the leaky trunk and checked mine and sure enough Iím a winner. I dried it out all the way and I have ran water on the tail lights and no water gets in, also washed the car and still dry. Are there drains in the trunk that may be clogged or any other place I can look? Also my mirrors do not work at all...nothing. I have checked all fuses and all are good. Any suggestions what I should do next? Does anyoneís front end smoke after washing it? Is there a good place to look for diagrams like the sunroof, how to remove and replace the paper backing on the moon roof shade etc. things like that, Clogged moon roof drain? Been searching for answers and these have piled up on me but Any suggestions are very much appreciated Thank you


There was a TSB regarding the steam that comes from the front of the car, when it is warmed-up and then washed (or taken through a car wash). The TSB involved removing some front-end stuff and adding a baffle and weatherstripping, to prevent cool water from spilling onto the radiator and causing steam (not smoke). It was NOT a recall or campaign, and would only be performed under the warranty if the owner complained.

There was also a TSB regarding wear on the sunroof shade, which involved replacing it (again - no recall, just instructions on how to repair it). Here is a link for the sunshade / sunroof TSB; https://static.nhtsa.gov/odi/tsbs/20...70905-9133.pdf

I would research the tail light gasket issue (many posts about it here) and replace the tail light gaskets with the updated ones. The old ones WILL leak again. Here is a link regarding the tail light gaskets, with color pictures: https://static.nhtsa.gov/odi/tsbs/20...92869-0335.pdf

Note that part of each side of the rear bumper fascia must be removed to replace the tail light gaskets, but it is an easy repair for anyone with basic mechanical skills.

I own a 2014 Impala 2LTZ, purchased new.
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Last edited by 1999 White C5 Coupe; 3 Days Ago at 04:33 PM.
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I've seen non-Impala's that have had the trunk seal damaged or pulled out of position by presumably heavy items removed from the trunk. Just wanted to mention the common issues I've seen besides the TSB.
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Wow! You guys are Awesome! Those are a huge help thank you very much. The sun shade job seems a little intimidating but maybe getting into might help. I am lost as to where to find any of these help guides for it. Is there a site that has them for different parts of the car?
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Oh and any ideas for where to go next with the mirrors? All the fuses are good checked those they just don’t move at all
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Maybe try removing the mirror or door panel to see if you're getting voltage to it when you try adjusting it. Also make sure the wiring harness is plugged in.
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Originally Posted by Ltzimpala14 View Post
Oh and any ideas for where to go next with the mirrors? All the fuses are good checked those they just donít move at all


Since neither mirror moves, I would suspect a defective switch.

The mirrors on the LTZ model are also electrically heated (via the rear defrost switch). Do you live where there is dew or high humidity overnight, where you could leave it outside and see if the heated portion of the glass functions (to remove dew or moisture)? If so, Iíd really suspect the mirror switch.
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