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belgianchap



Member Since: 01 Mar 2025
Location: East-Flanders
Posts: 17

Belgium 2008 Defender 90 Puma 2.4 SVX Station Wagon Santorini Black
How to remove a puma aerial antenna?

Click image to enlarge

Hi all, posting this from work so don't have the car with me for a picture but luckily masai has the same example.

I am trying to install a nakatenaga antenna for dab+ as my favo station is no longer on fm. But I cannot figure out how you are supposed to loosen that weird round nut thing with 2 indents? I can get it to turn a bit with a lot of hassle but it's near impossible to get a decent grip on it. I am completely destroying it if I try to use vice grips or something on this.

How are you supposed to do this?

Also, does anyone know if this is a right or left turn to loosen it up?
Post #1067794 15th May 2025 2:56pm
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 728

United Kingdom 
You need to get to the underside of the fitting to prevent the nut rotating..
Just make up a tool to do the top ring..
I think from memory the cable has to be removed from the back of the radio.. it's one piece from aerial to jack plug..
Normal thread.šŸ‘
Post #1067805 15th May 2025 4:02pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2218

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Try long nose pliers held almost vertically against the mast but place something around the base to protect the paint.
Post #1067806 15th May 2025 4:05pm
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Cragster69



Member Since: 15 Jun 2021
Location: Scotland
Posts: 228

Scotland 2007 Defender 110 Puma 2.4 CSW Cairns Blue
Normal anti clockwise thread, I loosened and replaced mine using a punch (more likely a small screwdriver) and a rubber mallet to loosen it off, then it just unwound by hand. There might be the option of using an appropriately sized open ended spanner vertically to get it loose,

The section under the wing is just a rubber seal at the top of a cone shape that fits against the wing.

Once you get it moving it will be straightforward, there's not a nut on the other side that you would need to hold to stop the whole thing spinning. Craig.

ā€œDon't believe everything you read on the internet.ā€ ― Abraham Lincoln

www.scotgrc.co.uk
Post #1067808 15th May 2025 4:30pm
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belgianchap



Member Since: 01 Mar 2025
Location: East-Flanders
Posts: 17

Belgium 2008 Defender 90 Puma 2.4 SVX Station Wagon Santorini Black
The stick underneath does turn when I turn the nut on top and it’s winding the cable… do you need to unplug and pull the cable first…?
Post #1067822 15th May 2025 6:15pm
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 728

United Kingdom 
I do remember having to stop the thing rotating..it may not be a nut but the body has to be held in think.. and as I said above the cable is one piece from aeriel fitting to back of radio..so if its to be removed it needs disconnecting at the back of the radio.. but I remember getting enough slack to get it pushed through the hole and out of my way....
Post #1067824 15th May 2025 6:37pm
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belgianchap



Member Since: 01 Mar 2025
Location: East-Flanders
Posts: 17

Belgium 2008 Defender 90 Puma 2.4 SVX Station Wagon Santorini Black
Even with vice grips clamped and stopping rotation of the rod underneath… I have turned the nut probably a 100 times and nothing changes… I do have resistance, by hand I cannot spin it
Post #1067827 15th May 2025 6:45pm
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Cragster69



Member Since: 15 Jun 2021
Location: Scotland
Posts: 228

Scotland 2007 Defender 110 Puma 2.4 CSW Cairns Blue

Click image to enlarge


I think I just held the black plastic stick part and removed the nut.
I was getting it out of the way for a new air intake hose.
There was also a clip bracket from the bulkhead or wing that holds the bottom part of the aerial Craig.

ā€œDon't believe everything you read on the internet.ā€ ― Abraham Lincoln

www.scotgrc.co.uk
Post #1067829 15th May 2025 6:51pm
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andy63



Member Since: 30 Jun 2023
Location: north east
Posts: 728

United Kingdom 
That's why I had mine moved..I was fitting an intake hose and remember it was all a bit tight for space with the abs unit there as well..a job i ment or intend to go back to one day and possibly blank that wing hole and re fit an aerial elsewhere..
Post #1067831 15th May 2025 6:56pm
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belgianchap



Member Since: 01 Mar 2025
Location: East-Flanders
Posts: 17

Belgium 2008 Defender 90 Puma 2.4 SVX Station Wagon Santorini Black
Cragster69 wrote:

Click image to enlarge


I think I just held the black plastic stick part and removed the nut.
I was getting it out of the way for a new air intake hose.
There was also a clip bracket from the bulkhead or wing that holds the bottom part of the aerial


The nut is very different on mine, see the picture


Click image to enlarge


Also that clip bracket broke off within 2 secs of my attempting to turn the nut.

I vice gripped the plastic bit so that's not moving anymore but I can keep turning the nut for infinity it seems.. nothing happens. Seems like I am missing something or a bit has broken off and it's not working.. strange
Post #1067832 15th May 2025 7:22pm
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custom90



Member Since: 21 Jan 2010
Location: South West, England.
Posts: 20820

United Kingdom 

Click image to enlarge


If the underside spins, wrap it in electrical pvc tape, and use some pilers on that too.
It shouldn’t be that tight, the silver collar in the pic above shouldn’t be any issue to remove. _\Hennessey|Venom| F5/___
___\ā­ļøLone|Star|State/___
____\We|Will|Win/___

____/šŸ‡¬šŸ‡§šŸ‡ŗšŸ‡ø\____
_//*ā›½ļøšŸ›¢ļøāš™ļøšŸ§°*\\_
Post #1067833 15th May 2025 7:34pm
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belgianchap



Member Since: 01 Mar 2025
Location: East-Flanders
Posts: 17

Belgium 2008 Defender 90 Puma 2.4 SVX Station Wagon Santorini Black
That's what I'm trying. The rod underneath is vice gripped and not moving.

I have pliers on the small top chrome rounded nut and that's moving counter clock wise.

The large chrome disc isn't moving at all.


And I can keep turning the nut but neither onder the wing or on top of.. anything is moving vertically. Nothing seems to change.

Note: this is a LHD, does it matter for something perhaps?
Post #1067834 15th May 2025 7:38pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2218

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Is it possible that you’ve actually loosened the retaining ring (smaller diameter ring with two indents) but the mast bracket is preventing the ariel from separating from the ring?

I used to have a decent photo of what is underneath from when I replaced my ABS but I can’t lay my hands on it.

I hope you sort it šŸ‘
Post #1067836 15th May 2025 8:02pm
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belgianchap



Member Since: 01 Mar 2025
Location: East-Flanders
Posts: 17

Belgium 2008 Defender 90 Puma 2.4 SVX Station Wagon Santorini Black
I also have the feeling something is stuck.. I am tempted to simply put a small metal screwdriver under it and try to pry it up
Post #1067837 15th May 2025 8:04pm
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Screbble



Member Since: 26 Apr 2015
Location: Lancashire
Posts: 2218

United Kingdom 2004 Defender 90 Td5 XS CSW Zambezi Silver
Might be worth a go.

Just been trying to find photos. Not much luck.

Can only find this one which isn’t much use. It appears that the mast is only clipped into the bracket (it’s open ended rather than a closed p clip). Which means it should move/lower when you undo the ring.



Click image to enlarge


This may be a bit ā€˜bodgit & scarper’ but have you tried lowering the mast, and gently tapping it down with a hide mallet or similar? It sounds like you’ve undone the retaining ring and maybe it is simply ā€˜stuck.’
Post #1067840 15th May 2025 8:24pm
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