1,000th post about LR3 Air leak

[chrisc2683]

Hey Guys,

I know there are whole sub sub sub forums dedicated to this topic by now, but I was wondering if you could offer some help. I'm kind of stumped.

I have 2008 LR3 with a Johnson Rod Mod on her.

I bought it with last year with 78k on it. Since the beginning the suspension has been deflating after two days or so.

I did a test (removing air suspension fuses) and waited three days. I came back and my front was completely bottomed out, while my rear end was still fully inflated. This led me to believe that it was the front valve block. I replaced that. Still have a leak.

I've noticed than even when I leave it alone for a day, the nose is noticeably lower than the rear. If it's sitting for a week, the whole thing will be lowered.

Any thoughts?

 

[jimbiram]

Is your driveway flat or inclined? I've seen my Lr3 drop the nose trying to level things out. If you aren't getting faults, it could also be a pinhole in front airbags. My fronts have generally had more leakage and replacement issues than rears. In fact, I just replaced my rears at 166,000 miles.


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[chrisc2683]

I made sure to run my test on a flat surface. And where I park normally is also level.

If it were a leaky airbag, wouldn't it lean towards that side? My LR3 always flattens out at the same rate in the front. Is it possible that I have two leaky airbags?

 

[lowwill]

My guess would be a valve block in the front right wheel well.

 

[wampastompah]

I'm having this exact same problem on my 2005, and I would appreciate advice on the matter.