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Leaky shark fin..looking for advice

Doug Rosewood

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Doug Rosewood Enthusiast

Doug Rosewood

Posted
Posted

So after a suprise driving to work one night(got urinated on by a 7k pound hunk of steel) my brand new 2500hd with 1900 miles was diagnosed with the dreaded onstar fin leak. My dealer is very nice and welcoming i might add. Heres the thing i'm kind of on the fence about, currently the truck has some sort of caulk smeared all over on the roof stopping the factory fin from leaking, waiting on a new fin. Dealer says there is no sign of water in the headliner, but my fear is that I could potentially eat the bullet in the future when this comes back to haunt or the new fin leaks again. I've contacted GM and they want to start a case but I also want to give my dealer a chance to stand up for me, i'm just looking for advice, and experiences other people have had with this issue..

 

1) will this "new" fin just leak like the old one in due time?

 

2) will the invasion of water come back to haunt me out of warranty?

 

3)do i let the dealer attempt to give me peace of mind or jump the gun and go right to gm?

Dirtbiker Enthusiast

Dirtbiker

Posted
Posted

With all the trucks I have had since 2003. I have only ever had this leak on one. My 2014 half ton. The fix is a new antenna. It is all one piece and runs down into the dash. If I remember correctly it was about $500 to fix off warrant. But I have a terrible memory so don't quote me. It didn't leak after that.

It is held on by two plastic clips that are accessed through the headliner. The clips broke somehow and I am very carefull not to ever hit that antenna with anything.

For $500 I think next time I would just silicone it if it was off warranty.

SouthpawHD Enthusiast

SouthpawHD

Posted
Posted

You're over thinking this. It's water, nothing more. It sucks for sure. But your truck only has 1900 miles on it and therefore hasn't been leaking that long. Let the dealer fix it, dry out the space, and move on and enjoy the new truck.

Doug Rosewood Enthusiast

Doug Rosewood

Posted
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thanks for the replys guys..your probably right. I just have the first time "new" buyer paranoia. This is the first new truck I've ever bought and it wasn't cheap.

Delta Hotel Enthusiast

Delta Hotel

Posted
Posted

Don't worry Doug. Dealer will make it right and save your service slips and it'll be fine. It's doc'd in their system too.

Enjoy that truck and try to relax !!

brown1william Enthusiast

brown1william

Posted
Posted

My 2015 is out of warranty (High Mileage previous owner) I just put some clear silicone on it and hasn't leaked since. This summer I might remove the silicone and try to put a cleaner/neater amount on. I did a rush job because of the cold here.

Doug Rosewood Enthusiast

Doug Rosewood

Posted
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Posted

just an update. My new fin came in and will be put on in a few days. It is the same fin they put on at the factory but i was assured that it will be taken care of and guranteed not to leak..aka sealed. I'm very pleased with my dealer's response, I am still a bit disappointed GM let this one slip through the cracks, they should be stretching warrantys..I've had 20+year old 500 dollar beaters that diden't have a leaky roof.

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