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Enid_Puceflange



Member Since: 25 Oct 2014
Location: edinburgh
Posts: 1172
Scotland 2002 Defender 110 Td5 DCPU Baltic Blue
Driver seat removal problem
Hi guys n gals

I'm having a bit of difficulty removing my drivers seat in my 90

I'm wanting to install a seat riser, and managed to passenger side no problem.

The bolts holding the drivers seat in place just keep turning without lifting/unscrewing
Are these rivnuts? Or something similar?

As it's in the seat box, I can't get access to it from underneath can I?

Thanks in advance for suggestions.

G My confidence has been writing cheques that my abilities can't cash for years.

Last edited by Enid_Puceflange on 25th Mar 2016 10:36pm. Edited 1 time in total
Post #517819 25th Mar 2016 10:29pm
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YOLO110



Member Since: 14 Feb 2015
Location: Perth Oz and Stansted UK
Posts: 1645
Australia 
Hi mate,

Try removing the seat rails from the base. rather than the seat from the rails...

Slide the seat fully back... unbolt the front rails from the base... the seat forward and undo the rear ones.

Once the rails are off, you can get the seat off the rails, then fit the new risers, finally bolt the seat onto them.

Should work... Whistle

Pete. YOLO... You Only Live Once...
Post #517820 25th Mar 2016 10:34pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410
United Kingdom 
Hi G. Yes had the nuts are rivinuts and yes this is a common issue. Grab yourself a mole wrench, clamp it on the rivinut in question. You may need to climb under the vehicle, depends which nut is turning. Then undo the bolt as normal.

You can tighten the rivinut in situ after you have removed the seat. See the modification section for a thread on a home made rivinut tool. I will be doing the same tomorrow...

Good luck.

G.
Post #517821 25th Mar 2016 10:37pm
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Enid_Puceflange



Member Since: 25 Oct 2014
Location: edinburgh
Posts: 1172
Scotland 2002 Defender 110 Td5 DCPU Baltic Blue
Hi Yolo,

Sorry I should have given more information Embarassed

My seats aren't standard Defender seats.

I have Cobra bucket seats that are not fitted to sliders (no adjustment)
And are fitted direct to the seatbox through rails welded to the seat base

I just want a bit more height and wish to fit my Exmoor risers, but need to unbolt the seat. But can't Sad My confidence has been writing cheques that my abilities can't cash for years.
Post #517822 25th Mar 2016 10:39pm
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Enid_Puceflange



Member Since: 25 Oct 2014
Location: edinburgh
Posts: 1172
Scotland 2002 Defender 110 Td5 DCPU Baltic Blue
Guy,

Can I access from under the vehicle?

Is the drivers seatbox not a closed area like the passenger side battery box? Confused My confidence has been writing cheques that my abilities can't cash for years.
Post #517824 25th Mar 2016 10:40pm
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YOLO110



Member Since: 14 Feb 2015
Location: Perth Oz and Stansted UK
Posts: 1645
Australia 
Enid_Puceflange wrote:
Hi Yolo,

Sorry I should have given more information Embarassed

My seats aren't standard Defender seats.

I have Cobra bucket seats that are not fitted to sliders (no adjustment)
And are fitted direct to the seatbox through rails welded to the seat base

I just want a bit more height and wish to fit my Exmoor risers, but need to unbolt the seat. But can't Sad


Good luck...!

That mole grip solution should work... Thumbs Up YOLO... You Only Live Once...
Post #517825 25th Mar 2016 10:43pm
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geobloke



Member Since: 06 Nov 2012
Location: Nottinghamshire
Posts: 4410
United Kingdom 
Enid_Puceflange wrote:
Guy,

Can I access from under the vehicle?

Is the drivers seatbox not a closed area like the passenger side battery box? Confused


Hi it all de depends which rivinut is spinning. Road-side is accessed from inside the seat box, passenger side from underneath. This is incidentally one of the only times a mole wrench is actually the right tool. Tighten just enough to grip but not enough to crush the rivinut. Look to rotate the wrench until it abuts something that will prevent it from turning whilst you unscrew the bolt from the cab.
Post #517827 25th Mar 2016 10:49pm
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Enid_Puceflange



Member Since: 25 Oct 2014
Location: edinburgh
Posts: 1172
Scotland 2002 Defender 110 Td5 DCPU Baltic Blue
Isn't it typical,
It's the outermost front that is spinning!! Twisted Evil

That's what I love / hate about defender ownership, every simple job needs a major problem solving equation to complete!! Laughing My confidence has been writing cheques that my abilities can't cash for years.
Post #517829 25th Mar 2016 11:21pm
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Retroanaconda



Member Since: 04 Jan 2012
Location: Scotland
Posts: 2656
Scotland 
All the ones I've seen don't have rivnuts but a simple nut plate held in place by a rivet. If the nut shears off the plate or the rivet fails then it will turn freely. Perhaps later models have rivnuts to achieve the same end.

Either way you need to access the offending fixing from underneath the panel in order to hold it in place while the bolt is removed. If your seat bases are removeable then you can generally do this through the battery box or under-seat compartment opening easily enough, if not then it's lie underneath and reach up time. Might be a two person job.
Post #517831 26th Mar 2016 12:09am
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jonny2tanx



Member Since: 06 Jul 2014
Location: Harpenden, Herts
Posts: 156
United Kingdom 2005 Defender 110 Td5 XS CSW Alveston Red
If you cant access it from underneath, depending on how tight the bolt is in the rivnut, you may be able to apply some upward force under the seat rail whilst trying to unbolt it. It may, if you're lucky, pull the rivnut upwards putting a fatter part of the rivnut into the hole or at least stop it from spinning.
Post #517923 26th Mar 2016 12:57pm
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ken



Member Since: 18 Aug 2009
Location: Banging Birds with my bitches !!
Posts: 4328
United Kingdom 
Just drill it out and start again Thumbs Up
Post #517924 26th Mar 2016 1:02pm
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YOLO110



Member Since: 14 Feb 2015
Location: Perth Oz and Stansted UK
Posts: 1645
Australia 
Totally great answer!! Thumbs Up YOLO... You Only Live Once...
Post #517949 26th Mar 2016 3:42pm
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