What causes a loose shifter?

2006 CHEVROLET TRAILBLAZER
176,000 MILES • V6 • 4WD • AUTOMATIC
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FNCU0123
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As of today, my shifter is loose! The handle wiggles and it can be lifted up an inch or so. What would cause this and how do I fix it?
Jul 1, 2021 at 7:17 PM
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KASEKENNY
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This is normal with wear and tear of the shifter. The shift knob is actually removeable so it is not uncommon to loosen up over time.

Take a look at the diagrams below. You will see a set screw that will loosen or even fall out and cause this to be loose.

You need to tighten that screw and it should take care of the issue.

Please let me know how you make out with this. Thanks
Jul 2, 2021 at 7:44 PM