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Chris1573
Member Since: 12 Feb 2021
Location: Stroud
Posts: 196
  
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| Front Drops overnight - Only when Fuse is installed. |
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Hi All, next job to sort out. I pulled the fuse and left the vehicle for 3 days with suspension on high setting and it has not dropped, however when the fuse is left in overnight the front drops. I am guessing this could be a valve block issue ?
Tia.
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 23rd Feb 2022 11:29 am |
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forest66
Member Since: 04 Jan 2021
Location: Lymington
Posts: 84
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yes if its dropping the front with fuse out its likely the valve block , there is kit of to reman the valve blocks
try here for the seals/oring kit 15 pounds , https://4x4airseals.com/product-category/landrover/discovery34
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| 23rd Feb 2022 12:55 pm |
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Chris1573
Member Since: 12 Feb 2021
Location: Stroud
Posts: 196
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Thanks Forest 
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| 23rd Feb 2022 1:28 pm |
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Pete K
Member Since: 15 Jan 2016
Location: GL
Posts: 10520
 
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Well it means the computer is making it drop, rather than a leak.
Why does the computer make it drop? Maybe a minor level sensor problem. Head ache to track down.
Could try calibrating suspension
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| 23rd Feb 2022 1:29 pm |
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Chris1573
Member Since: 12 Feb 2021
Location: Stroud
Posts: 196
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Hi Pete, yep, I am going to try some more tests to see whats going on.
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| 23rd Feb 2022 1:30 pm |
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Chris1573
Member Since: 12 Feb 2021
Location: Stroud
Posts: 196
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Still not got to the bottom of this, however I have noticed the disco drops on all four corners now, If I remove the fuse it does not drop.
I happened to be walking past it this morning about an hour after I had dropped the kids off to school and noticed a clicking noise at the rear and the whole car dropped right down in front of me.. So it must be an electronic fault that is causing this, however I am guessing 
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| 16th Nov 2022 1:25 pm |
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Yankee_Rover
Member Since: 02 Jun 2021
Location: Seattle
Posts: 183
  
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Wonder if one or more height sensors are going bad and thus sending bad data to the control module. The vehicle will self level 2 hours after turned off and again every 6 hours until it’s on bump stops —however long that takes. Mine very oddly self levels once I exit the vehicle and close the driver door, which I’ve never understood.
Are you able to read live data using GAP IID tool or similar? I’d start with looking at the output voltages/signals from the height sensors while parked. 2008 LR3 HSE, 4.4L V8
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| 17th Nov 2022 3:07 am |
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Yankee_Rover
Member Since: 02 Jun 2021
Location: Seattle
Posts: 183
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Wonder if one or more height sensors are going bad and thus sending bad data to the control module. The vehicle will self level 2 hours after turned off and again every 6 hours until it’s on bump stops —however long that takes.
Are you able to read live data using GAP IID tool or similar? I’d start with looking at the output voltages/signals from the height sensors while parked. 2008 LR3 HSE, 4.4L V8
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| 17th Nov 2022 3:27 am |
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Flatlander
Member Since: 20 Jul 2015
Location: Here
Posts: 575
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If you can hear the valve block(s) clicking, then it is being commanded to level down, it won't be a valve block fault. As above, check actual values from the height sensors and check they can articulate properly, also read the values as you move from access to offroad and back again.
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| 17th Nov 2022 8:31 am |
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Shealesy
Member Since: 09 May 2021
Location: Caithness
Posts: 221
 
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Yankee_Rover wrote:Mine very oddly self levels once I exit the vehicle and close the driver door, which I’ve never understood. .
Mine does this too. I figure it’s because I (not being a small example of the human race) have just left my seat, alleviated some load from the vehicle, and the suspension on the drivers side has risen enough to trigger a fresh self level while it’s still awake, as it’s always that side that subsequently drops to level itself again.
Mine also sinks only with the fuse in, though also only if left in normal or access height with the front going down first. And rapidly too, 15 mins in the shop and the front has dropped considerably.
If I park in off-road height or pull the fuse, it stays up for at least 6 days before looking a little low (only a very small drop, noticed by clearance to the lean-to I park half under, which is tight in off road height) at the rear.
I’m sure it would sink further if left longer but I don’t like to leave it sitting. It’s on original struts (stickered 2004) at 170k and feels a little wayward during “enthusiastic” cornering, so probably due a renewal… D3 HSE - MY05 - Java black
Vauxhall Insignia Country Tourer
GAP IIDBT G3
2x Colliewobbles and a Kelpie
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| 17th Nov 2022 1:42 pm |
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