2019 Chevy Equinox - Shark fin - TerrainForum.net: GMC Terrain Forum
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post #1 of 12 (permalink) Old 09-15-2019, 07:56 PM Thread Starter
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2019 Chevy Equinox - Shark fin

Just a heads up to anyone that owns a 2019 Chevy Equinox.

I was doing my weekly interior/exterior detail of the car. I was drying the car when I noticed some water drops on the backside of the shark fin/antenna. I got the towel, and wiped it away. As I did this, I noticed my shark fin moved more than I thought it should. I pushed it a little bit with my hand and noticed that back of it lifted off the roof a good 1/8". Um, this is a huge red flag for water to leak through in to the head liner.

I have had mine since December 3, 2018. And i didn't notice this issue till today.
Anyone else have this issue?
Is there an easy way to tighten this, or should this be a dealership fix? It is still under warranty, so no worries there.

I had a 2014 Chevy Silverado prior to this Equinox and the shark fin seal leaked and I had water coming in to the cabin. I'm seeing a problem with these shark fins.

2019 Chevy Equinox LT, 2.0 Turbo, FWD
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post #2 of 12 (permalink) Old 09-16-2019, 08:53 AM
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It is still under warranty ...get the dealership to reseal it. The shark fin antenna should not move at all.

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post #3 of 12 (permalink) Old 09-16-2019, 05:32 PM Thread Starter
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I certainly didn't think so. I am scheduled to have it there tomorrow morning.

2019 Chevy Equinox LT, 2.0 Turbo, FWD
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1963 VW Beetle
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post #4 of 12 (permalink) Old 09-17-2019, 03:31 PM
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My sharkfin doesn't move but it "rocks" slightly because it doesn't quite follow the curve of the roof, probably because they use the same "fin" on other models. No sign of sealant under it, either. GM saved a few pennies there. [2019 LT FWD].
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post #5 of 12 (permalink) Old 09-17-2019, 03:55 PM Thread Starter
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Little update on this...

Had the car at the dealer this morning. After they looked at it, they proceeded to tell me that all the fins are like that. The shop guy walked me around to a few vehicles, all were the same. Some rocked or lifted more than others, but none of them were tight to the body. That certainly left me feeling like "um, just because it's like that doesn't mean it's right". I went to work, and there is another Nox in the parking lot, so I went over to it, and lifted the shark fin. Again, same as mine. The ass end of it lifted, while the front was secure.

So it sounds like it should be that way. I only see the potential issue for water to seep in and in to the headliner. But what do I know

2019 Chevy Equinox LT, 2.0 Turbo, FWD
Mosaic Black Metallic, w/ convenience package

1963 VW Beetle
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post #6 of 12 (permalink) Old 09-18-2019, 11:20 AM
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So it sounds like it should be that way. I only see the potential issue for water to seep in and in to the headliner. But what do I know
There must be a seal more towards the center of the antenna's base on the under side.
If it bothers you a dab of clear silicone sealer on the edge of the base should take care of it.
I would do it as the antenna will probably never be removed.

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post #7 of 12 (permalink) Old 09-18-2019, 02:39 PM
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Mine moves also. It looks to me like it mounts through a small hole where the cable runs through the roof, if that is water tight it shouldn't matter if the rest can move, water can get in the gap but it would be difficult for the water to make it all the way up and through the tiny hole. If you search for the replacement part there may be a diagram showing how it mounts. Then get the part number and look up used ones on e-bay to get a view of the underside of the real thing.

OK, I looked it up and there is a seal around a square hole in the center. If you look up part number 84130979 on e-bay there are good photos of the bottom of that thing showing the seal.

By the way this is a great method to see parts without taking them off your car. Look up the part number, then search for them on e-bay and check out the photos and diagrams. Saved me a lot of money and effort over the years.

Last edited by OHHEY; 09-18-2019 at 02:57 PM.
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post #8 of 12 (permalink) Old 09-18-2019, 03:15 PM
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I checked my Nox and our '18 LS pool car and both rock a little. The pool car which is an earlier build '18 seemed to rock more and most of the movement was the roof panel deflecting. Neither one opened much of a gap to the sheet metal. I am sure there is a rubber or foam seal between the fin and the roof to prevent leaks. I looked at both headliners and there are no signs of water damage. I admit though that just from a craftsmanship standpoint there should be less movement.

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post #9 of 12 (permalink) Old 09-18-2019, 03:59 PM
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Originally Posted by Silversn95 View Post
I checked my Nox and our '18 LS pool car and both rock a little. The pool car which is an earlier build '18 seemed to rock more and most of the movement was the roof panel deflecting. Neither one opened much of a gap to the sheet metal. I am sure there is a rubber or foam seal between the fin and the roof to prevent leaks. I looked at both headliners and there are no signs of water damage. I admit though that just from a craftsmanship standpoint there should be less movement.
From a engineering standpoint I think GM did it right. You want to seal around the actual hole in the roof not the entire edge of the fin. This also allows for design changes in the size and shape of the fin without having to design a new seal or change the roof panel punch-out.
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post #10 of 12 (permalink) Old 09-18-2019, 11:20 PM
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I have the 2018 and you can wiggle it due to the flimsiness of the metal roof...it does not lift from the surface.


May be they changed the design in the 2019 or they got sloppy.

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