Rust - Page 2 - GMC Terrain Forum
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post #11 of 14 (permalink) Old 04-02-2019, 10:11 AM
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Join Date: Dec 2018
Location: Dayton, Ohio
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I make sure on my cars when I wash them I clean all the door seams and wipe them down just like the rest of the car. If you are relying on a car wash to get your car washed this is going to happen. I have seen this on all makes and models. Many people only clean the exterior and not between the doors. This also goes to cleaning the rubber seals and putting a rubber protectant on them. Not only does it keep them pliable but I also reduces noise from the doors.

Its amazing how much dirt and grime the interior metal parts of doors get on them.
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post #12 of 14 (permalink) Old 08-26-2019, 11:24 AM
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Posts: 37
My 17 Equinox has some light rust on the bottom door seam on only the passenger rear door, and it has an appt to have it repaired under bumper to bumper on 9/4. If this is a known issue, does anyone have a notice number or a copy of the GM notice where they acknowledge this? It would be handy to keep a copy of that in the future.

2017 Chevrolet Equinox LT
2006 Chevrolet Trailblazer LS
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post #13 of 14 (permalink) Old 08-26-2019, 09:59 PM
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My 2013 has lower door hem flange rust and my Chevy warranty wouldn't fix it because it quote " hasn't rusted thru". There is a TSB on this very problem but only applies to GM of Canada. There are quite a few folks with this problem. The fix is to open up the flange with a special tool, remove the rust, coat it with some rust preventer that GM recommends, close, reseal, and paint the hem flange. Another special tool that supposedly doesn't damage the paint is used to close the flange. I have always wondered why GM won't fix the USA cars like GM of canada does.

2013 Nox 2.4L 1LT AWD from western PA.
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post #14 of 14 (permalink) Old 08-27-2019, 03:11 PM
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I had the inside of my 2014 doors flaking at 2 years / 14,000 miles. Dealer wasn't sure what to do. I decided that I did not like the 2.4 as the oil level acted like it was making oil according to the dip stick (gas), and the darn doors, I traded it for my 2016 with a V6. Every time I wash it, I wipe down the inside of the doors in an attempt to prevent the same issue. Moisture does get trapped above the seal and Wisconsin's treated roads in the winter sure are not helping either. I have been waiting to hear from the 2018 & newer owners if there has been any improvements with this issue.

2016 Equinox LT AWD - 3.6L LFX V-6 - Patriot Blue / DOB: 1/26/2016<br />2017 Colorado LT 4X4 - 3.6L LGZ V-6 - Silver Ice Metallic / DOB: 01/05/2017
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