P38A Air suspension

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J L Carr

J L Carr

Active Member
Posts
360
Location
Hemel Hempsted
Hi Guys. Any body had this problem with there Air suspension, I can go out and start the car as the air suspension begins to rise but it rises fully on the passage side but only half way on the drives side. But once you drive the car it levels out, but then sometimes it stays lop sided. The only thing I can think that may be at fault is the high sensor, help needed with this one. As I have looked at everything else, can youchange high sensors for one side to the other.
 
You can swap sensors on later models not sure from which year onwards. Sure someone else posted a similar post a while back. try using search bar
 
Hi All. I have the EAS suite that I got from Wammers a couple of years ago, used this last year to sort out the ride heights, but my problem is that passengers side will come up to normal hight but drivers side will stay down just about the tyres say buy 20mm, so I have to sit and play with the hight switch going up and down to get the car somewhere level to drive once I start to drive it it will level up. So that's why I asked about the hight sensors to change them around to see if that makes a difference.
 
JL, I hear you, but if you do the calibration first then you may not have to mess around swapping sensors.... I had a lean on mine, calibrated, problem solved. The potentiometer tracks on these may not be identical with one another, and may end up with bare spots, so calibration may be able to resolve things, without getting messy
 
romanrob said:
JL, I hear you, but if you do the calibration first then you may not have to mess around swapping sensors.... I had a lean on mine, calibrated, problem solved. The potentiometer tracks on these may not be identical with one another, and may end up with bare spots, so calibration may be able to resolve things, without getting messy
Click to expand...
If the height sensors have dead spots, it's unlikely that calibration will be possible.
 
The OP isn't raising an "all heights" issue, just standard. At standard height I suggested inserting calibration blocks and writing live data to stored. I was just answering the original question raised in the thread.
 
Last edited:
romanrob said:
The OP isn't raising an "all heights" issue, just standard. At standard height I suggested inserting calibration blocks and writing live data to stored. I was just answering the original question raised in the thread.
Click to expand...
From the OP's original post, calibration blocks will achieve nothing, either there is a sensor fault or a leaking airspring.
 
I must apologise as I got my ESA suite from our good friend Datatek, so I'll give it a go and let you all know what happens but I still don't think it will help as sometimes as I'm driving down the road my suspension will change to full height and then I will have to use my kicker to re-set once I park up. It will not just stay as per normal.
 
romanrob said:
The OP isn't raising an "all heights" issue, just standard. At standard height I suggested inserting calibration blocks and writing live data to stored. I was just answering the original question raised in the thread.
Click to expand...
So you think that calibration blocks will overcome what is obviously a fault? The car levels up when driven or sometimes kicks up to full height, tell me how recalibrating will cure that?
There are many possibilities, a contaminated sensor giving erratic reading, calibration will not help that. A corroded sensor connector causing erratic readings,calibration will not help that. A split that opens and closes in an airspring, calibration will not help that. Corrosion in the white connectors at the foot of the a post in the passenger footwell, quite a common problem, calibration will not help that. I could list many other possibilities that have obviously never crossed your mind.
 
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