Well GM did my final repair attempt under lemon law. They inspected it and said there was no more leak. Low and behold a week later we have a hard rain for a few hours and it is still leaking. I reopened my BBB auto line case and an awaiting an arbitration date with GM for them to repurchase the truck.
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Andrew David started following Looking at buying a used Trail Boss (advice needed), 2020 LT Trail Boss 4WD clunk, Steering Wheel Trim and and 1 other
Sometimes when I first get the tuck moving I get a clunk. If my arm is resting on the center console it feels like it coming from right below the center console. sometimes it happens right when I pull out of my driveway and sometimes it happens a few minutes later. It is not a consistent thing. any thoughts? It doesn’t happen at a specific speed or a specific gear or anything.
That’s great that it’s holding. In my opinion it’s holding because the cracks are not the source of any of our leaks. Mine turned out to be a popped bubble in the body seam seal applied at the factory right under the spoiler. I think it is just a convenient coincidence for GM that the frames were cracking. the TsB never stops the leak because it does not address the true source of the leaks.
So we have finally found the source of the leak in my truck. I went to the service department yesterday to get an update and they took me back and showed me. on the line of body seam sealer that was applied at the factory by the robots which sits directly under the spoiler there was a air bubble in it that popped. This was filling with water and then leaking through the seam to the truck. You can see it in the attached pic. what they did was filled the void from the while with flexible dealer and then are also sealing it on the top also.
They redesigned the frame and track for the slider window. The made the plastic thicker. The new design windows don’t seem to crack. Which is why people are realizing that the window frame is not the only source of water leaks. I got an update on my truck Friday and they said they have narrowed it down to the spoiler bolts in the middle behind the 3rd break light.
You want to take over the payments on my 2020 LT Trail Boss? PM me if interested.
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