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Air Suspension Question
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Littlewill
 


Member Since: 14 Sep 2015
Location: Lincolnshire
Posts: 484

England 2015 Discovery 4 3.0 TDV6 HSE Auto Firenze RedDiscovery 4
Air Suspension Question

Hi all,

I have a strange issue with the project D3.

I've been getting the orange suspension warning light on and "Normal Height only" message popping up within 30 secs of the disco turning on. Read the faults with the IID tool and was getting the "gallery not venting" error Compressor valve fault.

So I replaced the compressor as it was faulty (tried on a friends D3 and go the same message)

The new compressor arrived and I fitted it now the orange suspension warning comes on again within 60secs of the Disco being turned on. The new fault is "preassure increases to slowly". I can sit and watch the valves open and the bags fill and rise using my IID tool but when they close and the air tank valve opens to fill the reservoir it throws a fault and shuts the compressor off straight away. The IID tool shows the reservoir valve opening (0%-100% so assume that's closed and open)


Any thoughts?


Thanks
  
Post #20981017th Nov 2019 11:53 am
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Browny90
 


Member Since: 19 Jul 2016
Location: Ashbourne
Posts: 686

United Kingdom 2016 Discovery 4 3.0 SDV6 Landmark LE Auto Santorini BlackDiscovery 4

Are you sure you didn't have a leak in the first place, which kept the compressor running and Censored it?

Then when you've fitted the new compressor it cant fill the reservoir quickly enough because you still have a leak?
 Disco4 MY16 SDV6 Landmark Black
Disco4 MY12 SDV6 XS Orkney Grey (Gone)
Defender 90 200tdi Completely rebuilt. 
 
Post #20981297th Nov 2019 1:47 pm
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Littlewill
 


Member Since: 14 Sep 2015
Location: Lincolnshire
Posts: 484

England 2015 Discovery 4 3.0 TDV6 HSE Auto Firenze RedDiscovery 4

No leaks that I can find. The Disco will go to normal ride height then stay there all day and night not dropping at all. Would a hole in the tank cause this?
  
Post #20981337th Nov 2019 1:54 pm
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garfield2
 


Member Since: 24 Jul 2008
Location: morley, leeds
Posts: 310

2015 Discovery 4 3.0 SDV6 HSE Auto Barolo BlackDiscovery 4

Spray soapy water to find leaks, tank usually suffers from pin holes at the front end and along the seam that makes contact with chassis rail, compacted rust can hide small pin holes

Regards
Martin
 Discovery 4.5 HSE 2015 MY
Discovery 3 SE 2007 MY gone with spinning journals 
 
Post #20981907th Nov 2019 6:23 pm
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garrycol
 


Member Since: 06 Dec 2010
Location: Canberra
Posts: 1114

Australia 

Maybe the solenoid in the central valve block is not opening correctly to vent the "gallery".
  
Post #20982658th Nov 2019 2:38 am
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knwatkins
 


Member Since: 19 Sep 2018
Location: Poole, Dorset
Posts: 716

United Kingdom 

I'm with Garry on this. Sounds like the central valve block. This is just forward of the compressor.
 Kev

MY2014 L405 RR Vogue SE 4.4 SDV8 in Corris Grey
MY2010 L320 RRS HSE 3.0 TDV6 in Stornoway Grey 
 
Post #20982758th Nov 2019 7:07 am
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