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2007 Impala Onstar antenna

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njemt7212

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I'm hoping this fits here. Im trying to use google to find the answer but all I keep seeing are GM Trucks. Im looking for a way to remove my onstar antenna on a 2007 Chevy Impala. My plans are to reuse the hole to install a VHF antenna. I dont wanna drill and I already have a trunk mount but performance is okay on it and not the best.

any help is greatly appreciated
 

fineshot1

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Sep 17, 2004
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NJ USA (Republic of NJ)
I'm hoping this fits here. Im trying to use google to find the answer but all I keep seeing are GM Trucks. Im looking for a way to remove my onstar antenna on a 2007 Chevy Impala. My plans are to reuse the hole to install a VHF antenna. I dont wanna drill and I already have a trunk mount but performance is okay on it and not the best.

any help is greatly appreciated
Your still going to need to drill a larger hole. The onstar antenna is mounted
via a small hole(i think its about 3/8 inch or smaller) and an nmo mount is
going to require a 3/4 inch hole.
 

bikinjohn

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Apr 26, 2011
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Wirelessly posted (Mozilla/5.0 (Linux; U; Android 2.3.3; en-us; DROIDX Build/4.5.1_57_DX5-35) AppleWebKit/533.1 (KHTML, like Gecko) Version/4.0 Mobile Safari/533.1)

I believe there are 2 holes, 1 that the wires and hollow threaded bolt pass through and a smaller one that a tab goes in to preventing it from spinning. The 3/4" NMO hole may be big enough to cover the size of both holes. If you're not going to use that antenna let me know and i'll take ot off your hands. It's a combo XM/GPS/Cellular antenna that I want to use in my truck.
 
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