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Emergency compressor substitute
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KevinD3
 


Member Since: 05 Aug 2020
Location: Sutton Coldfield
Posts: 1193

England 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3
Emergency compressor substitute

Hi all, spotted these today, anyone carry one? Used one?



https://www.ebay.co.uk/itm/4MM-Air-Suspens...890.l49292

They look a good idea to have and thinking of maybe making one up using steel braided hoses and fitting permanently, with maybe the feed fitting being in the boot so if the compressor goes I can plug the tire compressor in and keep going
 2008 HSE Stornoway Grey

My Wife thinks the D3 is a hobby, The D3 thinks the wife is ๐Ÿ’• 
 
Post #222108829th Mar 2021 4:01 pm
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ds23man
 


Member Since: 19 Jan 2013
Location: Ainum
Posts: 227

Netherlands 2007 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

I don't think it is that simple with all the software running between all systems in a D3/4. For example if the suspension ecu detects a pressure rise in the main gallery whithout the compresser running, can pack things up. Can lead to lowering suspension, special programs off, gearbox fault and so on and/or engine low power mode.
  
Post #222109029th Mar 2021 4:28 pm
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aechambira
 


Member Since: 11 Jan 2016
Location: Nairobi
Posts: 117

Kenya 2005 Discovery 3 4.4 V8 HSE Auto Tonga GreenDiscovery 3

Thought it could work. Tried it. It didn't work as I thought.
First to get enough air into the struts car had to be jacked. Then also couldn't ensure same amount of pressure in each strut. So car wasnt level, and car knew there was something amiss. It was real slow. A number of bicycles overtook me. Sad Plus all suspension error messages, lights, bongs and bings on dash...

Kept searching till I found:
1. An emergency air suspension kit in Spain. Comes with a module? That tricks the suspension ECU that all is well.
2. Alternative air compressor for discovery 3 & 4 Allan Gilruth on you tube.

Best way I learnt is to keep all the suspension items well looked after...and pray...
  
Post #222109429th Mar 2021 4:44 pm
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jenseneverest
 


Member Since: 12 Jun 2017
Location: somewhere
Posts: 758

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Manual Zambezi SilverDiscovery 3

i had thought about this myself, just so i am not having to drive several hundred miles on the bump stops.
I had plumbed a train air horn into mine a while back, the tiny little tank is only good for very short blast of a train horn so moved onto a separate compressor to run that.
I don't see why it would not work for an emergency situation, the codes can always be reset if needs be, i carry a diagnostic with me anyways. Thumbs Up
  
Post #222110029th Mar 2021 4:49 pm
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lynalldiscovery
 


Member Since: 22 Dec 2009
Location: Maidstone
Posts: 7274

United Kingdom 2006 Discovery 3 TDV6 Metropolis LE Auto Bonatti GreyDiscovery 3

I wonder if you could fit the adaptor/s, pump the susp up, then go into the ccf file etc and telll the car it does not have air suspension?
  
Post #222132930th Mar 2021 6:32 pm
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KevinD3
 


Member Since: 05 Aug 2020
Location: Sutton Coldfield
Posts: 1193

England 2008 Discovery 3 TDV6 HSE Auto Stornoway GreyDiscovery 3

My thoughts were to connect it online with the tank fill pipe. Yes, the car will throw errors if the pump fails but doesnโ€™t it also check for tank pressure? So if tank is full you should get the suspension up?
Car errors will still throw a hissy fit all the way home but the idea is to make it home
 2008 HSE Stornoway Grey

My Wife thinks the D3 is a hobby, The D3 thinks the wife is ๐Ÿ’• 
 
Post #222133530th Mar 2021 6:48 pm
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gstuart
 


Member Since: 21 Oct 2016
Location: kent
Posts: 13576

United Kingdom 2005 Discovery 3 TDV6 Base 7 Seat Auto Java BlackDiscovery 3

I saw this a while back and always wondered if it would work , also think the tee would need to be 6mm , plus I think the system is around 17 bar or some 1781 Kpa

Hope it helps and indeed let us know what the system does if u decide to fit one plse, many thks


Click image to enlarge
   
Post #222139630th Mar 2021 11:25 pm
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