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Suspension problem - valve or air spring?
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Jamietb
 


Member Since: 03 Jan 2021
Location: Gloucester
Posts: 18

United Kingdom 2005 Discovery 3 TDV6 S Auto Zermatt SilverDiscovery 3
Suspension problem - valve or air spring?

Hi all,

I’m hoping some wise person can help me please. Our 2004 D3 has developed a problem with the suspension. The problem is with the front right where it keeps going down and it’s getting worse.

Is there an easy way to identify if the issue is the valve or whether I need to replace the air spring? Also is that an easy enough DIY job? The last fix involved me stripping the parking brake module to unjam it and replace a stripped gear which was… fun? Neutral

Any help would be hugely appreciated. I have an IID tool if that’s of any use getting you readings etc.

Thanks,
Jamie.
  
Post #226325820th Nov 2021 11:50 am
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grzesiul
 


Member Since: 11 May 2008
Location: UK
Posts: 6265

Poland 2016 Discovery 4 3.0 SDV6 SE Auto Loire BlueDiscovery 4

I would defo start with checking all the seals on the front valve block

G
  
Post #226326120th Nov 2021 12:21 pm
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Jamietb
 


Member Since: 03 Jan 2021
Location: Gloucester
Posts: 18

United Kingdom 2005 Discovery 3 TDV6 S Auto Zermatt SilverDiscovery 3

Thanks for the response. I managed to find a leak in the front right airbag so I’ve just replaced the strut and I renewed all of the seals in the front air valve at the same time.

Unfortunately I’m still having issues. Everything inflates as normal but as soon as you drive a few hundred feet down the road it throws up errors and lowers the whole system down onto the bump stops. I think I read somewhere about it possibly being the steering angle sensor which I’ve recalibrated with the IID. I think I saw something else about possibly being an ABS sensor or dodgy connection somewhere but I’m unsure where to check?

The following errors were stored.

Body Control
• B1B02-28 (2F) Low frequency coil - General signal failure - signal bias level is out of range/zero adjustment failure
( at 354990 km )
• B1B70-01 (2E) Local interconnection network bus circuit 2 - General failure information - general electrical failure
( at 354990 km )
• U0155-87 (2E) Lost communication with instrument cluster control module - Bus signal/message failure - missing a message
( at 355000 km )

Instrument Pack
• U0132-87 (2E) Lost communication with ride level control module - Bus signal/message failure - missing a message

Suspension
• U0416-86 (24) Invalid data received from vehicle dynamics control module - Bus signal/message failure - signal is invalid
( at 354998 km )

Terrain Response
• U0416-94 (24) Invalid data received from vehicle dynamics control module - Component failure - unexpected operation
( at 354998 km )

Vehicle Dynamic
• C1B00-64 (08) Steering angle sensor - Algorithm based failure - signal plausibility failure
( at 354998 km )

Thanks,
Jamie.
  
Post #226429327th Nov 2021 5:29 pm
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Globetrotter448
 


Member Since: 21 Mar 2017
Location: Londonderry NSW
Posts: 1772

Australia 2007 Discovery 3 4.0 V6 Petrol SE Auto Java BlackDiscovery 3

The steering angle sensor should not have changed if you only changed a strut. I would be looking for connectors you may have inadvertently moved whilst did the strut and valve block
  
Post #226449229th Nov 2021 7:43 am
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grzesiul
 


Member Since: 11 May 2008
Location: UK
Posts: 6265

Poland 2016 Discovery 4 3.0 SDV6 SE Auto Loire BlueDiscovery 4

I guess you tried clearing those error code right?

If they still occuring have you tried doing hard reset on the bus?

Good luck
G
  
Post #226451829th Nov 2021 10:11 am
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