What did you do to your NNBS GMT900 Tahoe/Yukon Today?

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the_tool_man

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that's all metal sir, might be plastic behind it
I don't recall the exact chemistry involved. But when the thread locking compound cures it outgasses something that embrittles plastic. It doesn't have to touch it.

Where I work we build machinery with various transparent plastic guards. If someone puts that on a fastener used to attach it, it almost always cracks a day or two later. We have rules against using it. But every so often we get a new person with good intentions who ruins a panel this way.

Before I knew about this I used a small drop of Loctite to secure the calibration nut on one of my torque wrenches after it had worked loose. I put it in the drawer of my toolbox none the wiser. The next time I went to use it, the entire plastic handle had cracked into dozens of pieces. When I picked it up it fell apart in my hand.

I'll make sure it's properly tightened. But That's it.
 

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