Based on visual observation I was convinced the right rear corner was dropping over the course of a couple days. I did a couple tests pulling fuse 26 and letting it sit a couple nights. My results told me different. Both tests yielded the same result.

Front drops: 0.375" / 0.5"
Rear drops: 0.5" / 0.625"

Is this within the realm of normal tolerance due to air temp changes etc. and I shouldn't worry about it? Otherwise what is the likely cause of all 4 leaking? Both valve blocks? Something at the compressor? Airbags aging?

 

0.375 inches. Really? I could not even find that on my tape measure if I tried. Between the grease stains and scraped paint it is hard to see the decimal points. Actually, I purchased a 300cm cloth tape to do my suspension measurement on the Rover.

As I applaud your attention to detail, I think you are too critical. I see mine move more than that when I get out of it at the grocery store. It has become somewhat of a joke, we just remark that it has a mind of its own. We get out, step away from the car, it hisses and resets to a new ride height as we walk away. When we get back in, we start it up start moving and never notice it changing.

I quit trying to figure out why it does what it does, and let it do what it wants. I only get concerned when it is sitting on the bump stomps overnight, I notice the compressor running A LOT longer than normal, or of course, when the dash lights up with multiple failures and I have to limp home on the bump stops at 29 mph.

There a numerous threads here about the suspension and a lot of experience ready to help after a good forum search has been completed to no avail. Do a search and you will find more info than you want to know about these things. IF you are that concerned, get a bottle of soapy water and start spraying each air spring, air lines, distribution blocks and lines around the compressor and reservoir looking for bubbles.

Hope this helps

Jeff

 

Honestly, that is the answer I was hoping for. I think I've read too many leaking suspension threads and became paranoid. Sounds like best course of action is just monitor it. At least I've got some good info now for the future of whats "normal" so I can look for change. Thanks.

 

All cars are subject to misalignment. I had a 2007 Honda Civic that had a left front spring that was always lower than the rest of the car. I replaced it and a year later the car sat the same as if I had done nothing. I talked to one of the techs at the Honda dealership and he said "yeah we know about that but there nothing we can do here, call Honda customer support". And that was a car with coil springs and a simple basic suspension. Given we have computer controlled airbags....... who knows how it is suppose to be. Like I said before. live with it until is broken or start spraying soapy water everywhere.

One thing, if one corner is always more than 10 mm or more from the specifications, it may be time to calibrate the suspension, but I doubt you are to that point yet.

Keep reading the forum and learn as much as you can, they are quite complex and fun to own.

Jeff