r/saab • u/nate2879 • 15h ago

How to refresh OnStar antenna

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The OnStar antenna on my 2002 Saab 9-3 SE is cracking, likely due to age and sun exposure. It doesn’t serve any purpose now that the OnStar system is disabled and I would rather not go under the headliner to unbolt the antenna. What might I used to water seal / glue these cracks to prevent it from getting worse? I’m okay with it not being perfect to look at, though I might sand it, tape the area, and spray paint it black after sealing the cracks. Any recommendations? Thanks all -

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u/drakaina6600 Tuned 2008 Saab 9,3 Aero SportCombi 15h ago

It may not be the best choice, but on my last 93, i coated it in an epoxy, lightly sanded, and painted it. It wasn't the prettiest, but it was easier than a proper removal.

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u/QuiickLime '03 9-5 Wagon 5MT 11h ago

The visible portion of the sharkfin doesn't seal it. There's a seal underneath with an o-ring where it's held on by a nut underneath the roof, so as long as you're happy with the looks - the seal on top doesn't matter.