Another leaking shark fin

[Jtink]

Saturday night my wife noticed water dripping from headliner.
My onstar GPS hasn't worked in 6 months.

After confirming it was the shark fin antenna, I ordered a painted match from online retailer. They said it was OEM.

My question is, i was thinking of putting silicon down first, Anyone disagree with that?
Second question, will i need dealer to flash anything once i install it.

 

[Big Mama]

Most guys put a little clear rtv around it as for flashing I don’t think so.

 

[coupdevill]

I got one! Started leaking yesterday morning, figure a piece of tape now, a bit of silicon when I get around to it.

 

[Jtink]

Saturday night my wife noticed water dripping from headliner.
My onstar GPS hasn't worked in 6 months.

After confirming it was the shark fin antenna, I ordered a painted match from online retailer. They said it was OEM.



My question is, i was thinking of putting silicon down first, Anyone disagree with that?
Second question, will i need dealer to flash anything once i install it.

Update: I ordered a new one (color matching) installed it. I did put silicone down first.
Afterward the red light on my mirror went to GREEN, my CAL indicator on DIC showes direction I'm traveling.

 

[ctahoe09]

Update: I ordered a new one (color matching) installed it. I did put silicone down first.
Afterward the red light on my mirror went to GREEN, my CAL indicator on DIC showes direction I'm traveling.

Where did you order the antenna from?