D3 lowering while sitting in shed

**ctgiles84** · 15th July 2013, 06:51 PM

We only use our D3 twice a week. When we park it, it is in say normal height but when we come back to it the next day it has gone down. If left for more than a day it can go down to bump stops. It goes down all level. The guy i bought it off said he replaced the air bags. What is a posible cause? Thought i should start with checking connections on air bags.

**discotwinturbo** · 15th July 2013, 07:02 PM

The car does check and make adjustments to the suspension.....but from my experience does not go down that much and that quickly.

Sounds like a leak to me.

Others will confirm.

Brett.....

**~Rich~** · 15th July 2013, 07:11 PM

Yep sounds like a Valve block is leaking.
Disconnect you battery and see which corner / end goes down overnight.
Take measurements on each corner and note the next day the difference.
At least you will no where approx the problem is.

**ctgiles84** · 17th July 2013, 07:36 PM

Thanks guys. Will do.

**lpj** · 18th July 2013, 08:00 AM

The car periodically checks itself to see if level. If one corner drops a little, all the others will drop accordingly. The process repeats until its all the way down.

**SBD4** · 18th July 2013, 08:35 AM

Follow what this guy says to diagnose where the leak might be:

https://www.youtube.com/watch?v=o55K...m4c6g6raTn-5dg

He has some other quite good "how to" vids as well.

**jonesy63** · 18th July 2013, 10:21 AM

Originally Posted by SBD4

Follow what this guy says to diagnose where the leak might be:

https://www.youtube.com/watch?v=o55K...m4c6g6raTn-5dg

He has some other quite good "how to" vids as well.

Interesting - he uses "Arnott Industries" replacement air strut assemblies... https://www.arnottindustries.com/par...d4_pid175.html

Come with a lifetime warranty. It says co-developed by Bilstein in USA - I wonder if that is the different to the one imported to Australia (giving problems)?

**SBD4** · 18th July 2013, 10:36 AM

Originally Posted by jonesy63

Interesting - he uses "Arnott Industries" replacement air strut assemblies... https://www.arnottindustries.com/par...d4_pid175.html

Come with a lifetime warranty. It says co-developed by Bilstein in USA - I wonder if that is the different to the one imported to Australia (giving problems)?

yes I wondered the same thing. I checked their website and noted that they only specified for D3. I have no doubt they are fine for the D4 but had in the back of my mind the observations Graeme had mad on the differences between D3 and D4 suspension. I was intending to do more research on it in anticipation of replacing mine in the near future.

**Geedublya** · 18th July 2013, 11:21 AM

This is it Arnott Front AIR Strut AS 2570 Land Rover Discovery 3 Range Rover Sport | eBay

**ctgiles84** · 29th July 2013, 04:59 PM

Update on the air leak. I pulled the fuse as the youtube video said. The car seems like it is going down all together. Can anyone suggest what the problem may be? I am not completely aware of how the system works. Is it possible that both front and rear valve blocks have junk in them?

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