View Full Version : My D4 lowers soon after its parked
Barraman
5th August 2020, 04:23 PM
My D4  (170,000 km on the clock) lowers soon after its parked - does that indicate an upcoming issue with its suspension?
PerthDisco
5th August 2020, 04:29 PM
Lowering down to lowest level over time = leak
Giving the LR air fart and levelling height after exiting car = normal
Many YouTube videos on finding and resolving EAS system leaks.
Eric SDV6SE
5th August 2020, 04:45 PM
My D4  (170,000 km on the clock) lowers soon after its parked - does that indicate an upcoming issue with its suspension?
What perth disco said and 
Offsets may be out of calibration, can be adjusted with a gapiid or rovacom (flame suit already on fellas), tip is park it, measure height from 12o clock in wheel arch to floor at each corner, should be the same. If not you need to adjuat the offsets.
Car will self level as soon as it stops, except when it knows it has a trailer connected  of course
101RRS
5th August 2020, 07:32 PM
I thought D4s dropped to access height when shut down unless this function was disabled in the system - or am I thinking of later models.
Eric SDV6SE
5th August 2020, 07:59 PM
I thought D4s dropped to access height when shut down unless this function was disabled in the system - or am I thinking of later models.
Perhaps the later models. My MY11 needs the button pressed to lower.
I always lower when rolling into the garage, less stress on the LCAs and bags. Shut engine down, EPB goes on last.
Tombie
5th August 2020, 08:08 PM
What perth disco said and 
Offsets may be out of calibration, can be adjusted with a gapiid or rovacom (flame suit already on fellas), tip is park it, measure height from 12o clock in wheel arch to floor at each corner, should be the same. If not you need to adjuat the offsets.
Car will self level as soon as it stops, except when it knows it has a trailer connected  of course
Nope!! Lucky that suit is on [emoji1787]
Fronts are 466mm
Rears are 485mm
Measured from centre of axle to bottom 12o’clock position on flare.
letherm
5th August 2020, 09:21 PM
I thought D4s dropped to access height when shut down unless this function was disabled in the system - or am I thinking of later models.
Doesn't on my 2013 model
DiscoJeffster
6th August 2020, 12:34 AM
I thought D4s dropped to access height when shut down unless this function was disabled in the system - or am I thinking of later models.
No. D5 can do this. No D4s do this.
scarry
6th August 2020, 07:24 AM
I thought D4s dropped to access height when shut down unless this function was disabled in the system - or am I thinking of later models.
Don't want mine to do it,as it would be a good way to wear out the air compresser.
loanrangie
6th August 2020, 08:05 AM
As soon as you move up or down from normal height the bushes are stressed so that is pointless unless you need the clearance.
Perhaps the later models. My MY11 needs the button pressed to lower.
I always lower when rolling into the garage, less stress on the LCAs and bags. Shut engine down, EPB goes on last.
Tombie
6th August 2020, 08:10 AM
As soon as you move up or down from normal height the bushes are stressed so that is pointless unless you need the clearance.
Significantly reduced though if done whilst rolling.
josh.huber
7th August 2020, 06:15 AM
So... My learnings.  If you get home and it lowers significantly. But only to standard height.. Then it's a good sign your shocks are worn. Not the bags the shock itself. 
As they wear out and stop damping the wheel travels to far so the car keeps adding height to keep away from the bump stop. When you get home and stop.. It sees that it's now to high and resets. I replaced struts at 200k or there abouts and it stopped straight away.. Only does it now if I've been driving fast in the rough. Those ks on original dampers will be due. The change was night and day to the drive.
StewG
7th August 2020, 03:31 PM
My MY13 D4 so far has never dropped by itself (except when obliged to from high to normal at speed) and I usually drop it to access height manually when parking - so no-one falls to the ground when exiting. No leaks detected yet because it always (touch wood) has stayed at the height last left.
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