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suspension losing height overnight....
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Disco_Mikey
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Member Since: 29 May 2007
Location: Perthshire / Dundee
Posts: 2125

Scotland 2006 Discovery 3 TDV6 HSE Auto Rimini RedDiscovery 3

character wrote:
should be a fault code logged...

...But as I say, need to get it plugged in. Thumbs Up


There will be no fault code stored, unless there is a major air leak Whistle
 Strathearn Engineering

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Post #886301Fri Jan 20 2012 10:43am
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evo8
 


Member Since: 29 Jan 2008
Location: Slovakia
Posts: 166

Slovakia 2007 Discovery 3 TDV6 SE Auto Stornoway GreyDiscovery 3

captaindarling13 wrote:
Character, this may be a dim question, but you ask whether the compressor runs at odd times during driving - how do you actually know when its running? I am sure I have heard the fart noise when it settles.

With the batt disconnected I was hoping to see one corner lower than the others, but all four were down. Think it's time to get it booked in!


Hi - I see a similar behaviour (although a bit slower):
battery disconnected and after 36 hours the corners went down as follows:
Front Left -3.5cm Front Right -1.5 cm
Rear Left -9cm Rear Right -5.5 cm

I am trying to source rear valve block and replace it first - to see. But do not have garage and time at the moment so will need to wait a bit.
 2007 Disco III SE - TDV6, Auto; club Faultmate MSV2
1998 Disco I - 3.9 V8 - Auto (mud vehicle) - now runs with Megasquirt ECU and EDIS8 ignition 
 
Post #886339Fri Jan 20 2012 11:46am
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captaindarling13
 


Member Since: 07 Jan 2012
Location: Peterborough
Posts: 8

United Kingdom 2007 Discovery 3 TDV6 XS Manual Java BlackDiscovery 3

I have a theory. Maybe, due to age or crud in the system, the corner valves don't fully close 100% and therefore allow air to pass either way. That means air is free to move around the system. This being the case, an air leak in one of the air lines or voss fittings, rather than component failure, would explain all four corners dropping simultaneously. What do you think?
  
Post #886452Fri Jan 20 2012 4:01pm
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