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Air suspension low at front. Relief valve checked
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Paulc2017
 


Member Since: 12 Oct 2017
Location: Stockport
Posts: 154

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4
Air suspension low at front. Relief valve checked

Hi folks. Hoping you can help please.

Noticed recently the front of my car isn’t keen at all to raise. Sits lower than the rear.

I have read some / maybe all the threads related but they don’t quite fit my situation.

Ride is terrible, rear feels / looks ok. When driving it, it’s the the angle isn’t right as the bonnet usually looks like a flat dinner table to me, you’ll know what I mean lol.

I have stripped down and cleaned the fron crossover valve. There was a tiny bit of white powder on its
, but now it’s Totally clean. Unfortunately comleting this work didn’t not change symptoms at all. I also put a little silicone on the valve rings so everything sat nicely.

I have removed the fuse that levels the suss and at the moment it’s on a level surface. Expecting / hoping one corner to drop so I can replace a faulty bag. Just have the feeling that’s not going to happen though..

I read the bulletin about the routing issues on the other side to the valve so going to check that soon. Although having checked it doesn’t appear to be my vin range.

History is that the compressor was replaced a couple of years back so that reduces my suspicion that the material is breaking down / causing valve issues.

Hoping someone has some insight into next steps.

Many thanks

Paul
Doesn’t make sense, but I’m still an owner. On the plus side, just replaced lower steering shaft and guess what, it feels like I have power steering again! Another thanks to this site
  
Post #186782512th Oct 2017 2:35 pm
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Paulc2017
 


Member Since: 12 Oct 2017
Location: Stockport
Posts: 154

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Sorry just to add. I only cleaned the valve block internals as they looked fine, then the seal kit arrived the day after. Probably still end up fitting it at this rate.
  
Post #186783112th Oct 2017 2:49 pm
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z1234567890
 


Member Since: 30 Nov 2015
Location: Dubai
Posts: 160

United Arab Emirates 2005 LR3 4.4 V8 HSE Auto Java BlackLR3

There is icon for suspension fault with amber or red color
Is it displayed?

Is there any fault displayed in message center, e.g.: suspension fault, normal height only

?
  
Post #186783412th Oct 2017 3:04 pm
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Paulc2017
 


Member Since: 12 Oct 2017
Location: Stockport
Posts: 154

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Hi. Nothing. Also no codes stored
Thanks
  
Post #186785812th Oct 2017 4:35 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10336

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

yeap replace seals to prevent air leaking out.


wouldn't hurt to service compressor dryer
  
Post #186788712th Oct 2017 5:18 pm
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Paulc2017
 


Member Since: 12 Oct 2017
Location: Stockport
Posts: 154

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Will do. Thanks
  
Post #186789612th Oct 2017 5:40 pm
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z1234567890
 


Member Since: 30 Nov 2015
Location: Dubai
Posts: 160

United Arab Emirates 2005 LR3 4.4 V8 HSE Auto Java BlackLR3

If there is no code means overall it's fine, try to choose offroad mode, normal height and access mode

Are those working

If yes, is it instant or take time

if this is take times, means there's leagake between air storage and front rear vale and whole system in front

find the leakage with soapy water and replace the hose or relevant part as necessary
  
Post #186798313th Oct 2017 5:55 am
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Paulc2017
 


Member Since: 12 Oct 2017
Location: Stockport
Posts: 154

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Fitting valve seal set today. Hopefully with successful results. Will report back.
  
Post #186800013th Oct 2017 7:49 am
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Paulc2017
 


Member Since: 12 Oct 2017
Location: Stockport
Posts: 154

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Happy to report that after replacing the seals that looked perfectly ok, all is now well.


Relieved.

Thanks
  
Post #187103421st Oct 2017 10:11 pm
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Paulc2017
 


Member Since: 12 Oct 2017
Location: Stockport
Posts: 154

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Bit of an update. Front still seems low compared to the back. On flat surface, didn’t have a tape to hand but basic measurement using clenched fist in between front and back arches back this up.

I’ve had the fuse out overnight, no drop (side to side I mean at front)

Could it be the central valve Bank not pushing enough pressure to the front and that air going into the back of the system? Not sure if this adds up but it’s all I can think of, ride still feels less plush, more harsh. Especially at front, anyone know where middle valve bank in and what the access is like? I guess it’d have to be on stands all around as middle Bank with no air would lower the lots onto its stops?

Thanks folks..
Paul
  
Post #187156723rd Oct 2017 6:33 pm
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Narpy
 


Member Since: 18 Jul 2011
Location: Stockport
Posts: 7830

2005 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Paul, if your compressor is the original, it's probably kaput. Big Cry

Might be time to replace it.
 Mods:
Front Fogs + Halos
FBH Remote Control
The 1st Ever RRS Modded Grill
Garmin Nuvi + D4 Surround + Reversing Camera.
D4 Steering Wheel.
Rear Boot Spoiler.
Twin Brake Lights.
Wing Mirror Indicator Repeaters.
Long Roof Rails
Make your own Narpy grill thread
I'm not scared, I'm outta here. 
 
Post #187158823rd Oct 2017 7:08 pm
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Pete K
 


Member Since: 15 Jan 2016
Location: GL
Posts: 10336

England 2005 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

I think they are meant to be lower at front.

As long as front equal
And it doesn't rise like a Citroen in the morning don't worry
  
Post #187159623rd Oct 2017 7:19 pm
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Paulc2017
 


Member Since: 12 Oct 2017
Location: Stockport
Posts: 154

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Unfortunately already been there. Compressor < 2 years old. This car has blessed me with the majority of common fault. It went a while back.
Cheers
  
Post #187160123rd Oct 2017 7:37 pm
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Paulc2017
 


Member Since: 12 Oct 2017
Location: Stockport
Posts: 154

United Kingdom 2015 Discovery 4 3.0 SDV6 HSE Auto Santorini BlackDiscovery 4

Pete. Thanks. I could be being paranoid but the just doesn’t feel right. Much better than before I replaced from seals though.
  
Post #187160323rd Oct 2017 7:38 pm
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Narpy
 


Member Since: 18 Jul 2011
Location: Stockport
Posts: 7830

2005 Discovery 3 TDV6 S Manual Cairns BlueDiscovery 3

Paulc2017 wrote:
Unfortunately already been there. Compressor < 2 years old. This car has blessed me with the majority of common fault. It went a while back.
Cheers


Same here mate, my replacement lasted just 2 years, time for another. Rolling Eyes
 Mods:
Front Fogs + Halos
FBH Remote Control
The 1st Ever RRS Modded Grill
Garmin Nuvi + D4 Surround + Reversing Camera.
D4 Steering Wheel.
Rear Boot Spoiler.
Twin Brake Lights.
Wing Mirror Indicator Repeaters.
Long Roof Rails
Make your own Narpy grill thread
I'm not scared, I'm outta here. 
 
Post #187161923rd Oct 2017 8:18 pm
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