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leak in onstar antenna

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edwalk1

New member
I have water leaking in my 04 gtp overhead light display and I belive that water is coming in to the car through the Onstar antenna. How can I seal around the antenna without making it worse?
 


use black RTV or other silicon to help seal the gasket. wipe off the excess when you put it back on. for more detailed info do a search for the "Damp Headliner" thread and read through that.
 
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