The power antenna in your Buick Grand National (or any Turbo Regal) will most likely need repair or replacement at some point in time.
The plastic cable mechanism that makes the antenna go up and down will most likely be the culprit since they are prone to breaking.
We found this highly detailed video that gives you step by step directions on how to remove your antenna, fix the power antenna, and reinstall.
It’s a bit of a job, but necessary if you want to listen to your radio!
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