How to install a stubby antenna on a 2015 GMC Seirra

How to install a stubby antenna on a 2015 GMC Seirra

via YouTube Capture
Bold size is 3/8 or use a wrench

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Aj Alonzo says:

Mine just keeps spinning how did you take yours off

Steven Montgomery says:

Is it 3/8" or is it a metric size? I'm having trouble trying to fit a 3/8" wrench over it.

jonathan mahler says:

When i tried this on my 2014 the shaft snapped. I didn't even put the boogy woogy on it. Thank God where it snapped left me like 4 threads to attach to.

Brian Flores says:

What if it is rusted tight? I use pliers to unscrew it but the entire thing moves and won’t allow the old antenna to loosen. I’ve tried WD40 but it’s no good..

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