Member Since: 11 Oct 2020
Location: Rickmansworth
Posts: 48
D3 Suspension Question
When the suspension is in the raised off road position. How often should the compressor come on? If sitting parked my pump runs for about 30 seconds every 5 mins
15th Jul 2021 5:18 pm
PROFSR G
Member Since: 06 Mar 2017
Location: Lost
Posts: 5043
That's way too much!
You have a leak somewhere possibly the reservoir or one of the supply lines. As a guide, with the reservoir filled, vehicle stationery, and no inputs to the height command the compressor should not run at all!
If it does there's a leak and it tries to replenish the lost pressure.
Get it plugged in and codes read or it will soon burn out your compressor. yµ (idµ - eAµ) ψ=mψ
15th Jul 2021 6:04 pm
Jimmi
Member Since: 11 Oct 2020
Location: Rickmansworth
Posts: 48
I had a new compressor fitted today, so it seems there’s a leak as well. Which probably killed the old compressor! My mechanic did say it was a possibility. I’ve notice a quick hiss of air when I engaged high mode. It sounds like a valve opening and closing quickly as opposed to a slow leak. Any idea if that’s normal?
15th Jul 2021 7:48 pm
aja4x4
Member Since: 14 Apr 2019
Location: Westbury
Posts: 2463
Its most likely a hole in one of the airbags you need to use soapy water spray to find the leakAndrew
D3 2.7tdv6 2005
D4 3.0 SDV6 Commercial died and gone to LR heaven
D5 3.0 SDV6 HSE
As aja4x4 says, most likely a leak in an air bag that does not show itself until the airbag gets extended into off road height. I had exactly the same issue.
Member Since: 11 Oct 2020
Location: Rickmansworth
Posts: 48
Thanks for the help, it’s much appreciated.
16th Jul 2021 7:29 am
Sidestick
Member Since: 22 Apr 2012
Location: Rome
Posts: 2322
Park the car with suspensions in offroad height,
pull out fuse F35 near the battery bay
wait at least 6/8 hours.
after that check if one or more suspensions are dropped,
if a single corner drops is a leak from airbag strut or airbag airpipe
if it drops the front or the rear end the leak is inside the valve blocks
if the car drops entirely check the compressor valve block near the reservoir - Easy-Lift suspension module 4.0
- GoodWinch 9500 lb
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16th Jul 2021 8:36 am
Jimmi
Member Since: 11 Oct 2020
Location: Rickmansworth
Posts: 48
Thanks for the advice Sidestick, out of interest what does fuse F35 do?
16th Jul 2021 8:59 am
Breg90
Member Since: 04 Feb 2017
Location: Falkirk
Posts: 360
Isolates the self levelling function when car is parked up - will mean it will drop just at the corner(s) with a leakSeries one 1949 - in bits, chassis is strapped to the ceiling in my garage (beside the canoe)
LR 90 - In bits
Disco 3 - currently in bits
16th Jul 2021 9:02 am
Jimmi
Member Since: 11 Oct 2020
Location: Rickmansworth
Posts: 48
love this forum! Thanks again
16th Jul 2021 9:15 am
Jimmi
Member Since: 11 Oct 2020
Location: Rickmansworth
Posts: 48
I don’t seem to have an F35? Is there anywhere else it could be?
17th Jul 2021 9:29 am
Jimmi
Member Since: 11 Oct 2020
Location: Rickmansworth
Posts: 48
“Seek and you will find” by the gift of the internet ive discovered Fuse 35 is behind the glove box “Air Suspension ECU”
17th Jul 2021 9:35 am
pwheeldon
Member Since: 14 Jan 2020
Location: West Yorks
Posts: 1505
You can pull f26 too, that removes power to the suspensionDiscovery 4 GS 2009 Auto Stornoway Grey
Discovery 3 s 2005 Auto Bonatti Grey Gone
Discovery 3 SE 2005 Manual Zambezi Silver Gone
Range Rover Sport HSE 2006 Black
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17th Jul 2021 9:42 am
Jimmi
Member Since: 11 Oct 2020
Location: Rickmansworth
Posts: 48
That would have been easier! I needed a double jointed wrist and torch to get F35 out!
17th Jul 2021 9:46 am
pwheeldon
Member Since: 14 Jan 2020
Location: West Yorks
Posts: 1505
I've taken the F26 out so many times I don't look where it is any more!Discovery 4 GS 2009 Auto Stornoway Grey
Discovery 3 s 2005 Auto Bonatti Grey Gone
Discovery 3 SE 2005 Manual Zambezi Silver Gone
Range Rover Sport HSE 2006 Black
Aston Martin DB7 VV
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love this forum! Thanks again 
