Member Since: 17 Sep 2024
Location: Dubai
Posts: 10
Air Suspension Problem
Hello All,
Been a month since I acquired my 2013 D4, I noticed the front air suspension (driver left side) has been dropping overnight.
When I start the car it goes back up normally and goes without any issues throughout the whole day.
No error codes, also had the car’s air suspension inspected at a reputable garage in my area for any leakage and no signs (at least using the spray method).
Have anyone gone thru similar case as I do? Any way to troubleshoot this?
Thanks
2nd Nov 2024 7:52 pm
itsaguything
Member Since: 20 Dec 2023
Location: Manotick, On
Posts: 260
But does the “reputable garage” know how to look after a JLR product?
The air suspension system is complex and well documented in the workshop manual.
To answer your question
1. The thrown codes available from the ODBII port need to be read.
2. As its the front corner only that drops, there is most probably an issue with the front valve block
3. The block needs to be inspected for proper operation.
4. As does the air spring, in question.
I’m surprised others didn’t chime in for assistance before me…
Cheers2015 LR4 HSE Lux Aintree Green
2013 LR2 HSE Radiance Red
2007 XKR Jaguar Racing Green
2005 XJR Jaguar Racing Green
2002 S-Type R British Racing Green
Last edited by itsaguything on 5th Nov 2024 11:26 am. Edited 1 time in total
5th Nov 2024 11:05 am
grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6406
pull the right hand side wheel arch out and check front block for leaks
since the front is dropping it is either front valve block of middle valve which is distributing air there but i would bet on front valve block leak
good hunting
G
5th Nov 2024 11:24 am
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 14146
Plus 1 ^^^^
Plse also try soap testing the struts at different heights , as mine only leaked when in access mode
I pressure tested them after I’d removed the fronts struts , turned them upside down in order to show the area of leaks
Find using the garden sprayers for soap testing that have a long lance handy to be able to reach the Voss connections on top of the struts
Hope that’s also useful
Click image to enlarge
Click image to enlarge
Click image to enlarge
5th Nov 2024 12:01 pm
grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6406
gstuart you just ruined my awesome theory
5th Nov 2024 12:12 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 14146
Ah, but don’t forget have to go to the front valve block first before reaching the struts so don’t worry ur awesome theory is still sound
Pheeeew, hopefully I got away with that and knowone noticed
Last edited by gstuart on 5th Nov 2024 1:35 pm. Edited 1 time in total
5th Nov 2024 1:24 pm
itsaguything
Member Since: 20 Dec 2023
Location: Manotick, On
Posts: 260
@gstuart, Out of interest, what year is your vehicle and how do you use it? My suspension is as tight as a whistle.2015 LR4 HSE Lux Aintree Green
2013 LR2 HSE Radiance Red
2007 XKR Jaguar Racing Green
2005 XJR Jaguar Racing Green
2002 S-Type R British Racing Green
5th Nov 2024 1:24 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 14146
Hi itsaguything
It’s a 2005 , Mainly use it around town, occasional long run and some off roading when I get chance
As a side note when I bought mine had to rebuild the suspension as it was in a right mess from previous owners , had to replace
Air compressor
Both front air struts
3 x valve blocks
Air tank
All air lines blown out due to the old dryer material dust
Pressure tested everything to ensure there were no leaks from anywhere
Removed and replaced all Voss fittings with brass pushfits
Rear upper wishbones
4 x wheel alignment
Front and rear drop links
After that was done the difference was like night and day and very impressed with the ride quality
Hope that helps
5th Nov 2024 1:31 pm
itsaguything
Member Since: 20 Dec 2023
Location: Manotick, On
Posts: 260
OK, that makes sense then... Just calling it out loud as newbies would not necessarily be aware...
The L319 is divided into a couple of versions... and as this is a D4 focused forum... I assumed you had the D4 and not the D3. (D4 didn't come out until 2009).
Yes, your suspension has lived a long life.
Cheers!2015 LR4 HSE Lux Aintree Green
2013 LR2 HSE Radiance Red
2007 XKR Jaguar Racing Green
2005 XJR Jaguar Racing Green
2002 S-Type R British Racing Green
5th Nov 2024 5:21 pm
TealLR4
Member Since: 17 Sep 2024
Location: Dubai
Posts: 10
Hi Guys,
Thanks for the enlightenments..
It’s a relief to hear that there are more to the air suspension systems than the struts as it’ll be the one to break the bank.
Let me take a look at it soon and i’ll let you know the once I manage to find the culprit.
Thanks!
10th Nov 2024 8:19 pm
gstuart
Member Since: 21 Oct 2016
Location: kent
Posts: 14146
Hope all goes well and indeed plse let us know how u get on
Plenty here to always help if u get stuck
12th Nov 2024 7:27 am
TealLR4
Member Since: 17 Sep 2024
Location: Dubai
Posts: 10
Hello Guys,
Just an update, found a leak in the hose connected to the valve block.
Had the hose and O ring replaced and the car doesn't drop anymore. Although I still hear occasional hisses after a drive. Is this normal?
25th Nov 2024 8:08 am
grzesiul
Member Since: 11 May 2008
Location: UK
Posts: 6406
car always levels out after being switched off and hisses
normal activity
G
25th Nov 2024 9:01 am
faulksy
Member Since: 24 Dec 2023
Location: powys
Posts: 344
does anyone have pics of the bleed blocks. didnt know about them ?
thankshad a d1 ,d2 a land mark d4 for 3 days now have awsome d4 in orkney grey hse sdv6 my12
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