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Thread: Air height adjustment question.

  1. #11
    Join Date
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    Quote Originally Posted by bacicat2000 View Post
    that you will only get the suspension to move up and down once or twice on a tank of air,

    agree - maybe 3 times if you only move 1 height setting


    Quote Originally Posted by bacicat2000 View Post
    Is this info correct, as this seems like a long time
    Way too long. Would think it should only be about 1-2 minutes. It's a wonder it's not having compressor temp issues running for 9 minutes each time

    Quote Originally Posted by bacicat2000 View Post
    Does the system hold air when the car is parked overnight, or does it have to charge the system each morning?
    It should hold overnight, but it will only hold the pressure it had when shut down - if no external leaks are evident there may have a slow leak through an exhast valve
    L322 3.6TDv8 Lux

  2. #12
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    Hi Gav,

    Agree with what Harlie has to say there - except.

    The air suspension should change quite readily a couple of times on just the tank/reservoir. Although going all the way from Access to Off Road might just about empty the tank.

    The compressor should be able to re-pressurise the tank in a few minutes. It is possible though that the compressor could take this long (7-9min) to prime everything again. Thinking simply, how long does your portable tyre compressor take to get a single tyre to 35-40psi? The EAS runs at close to 5x that pressure. So, a compressor not any larger than the one you use on your tyres is doing that and should take how long to prime the reservoir again after its moved all four airbags in the suspension? 4 airbags x 40mm height increase @ 190psi is many litres of air to move. In those terms I'd say 7-9 minutes is not entirely unreasonable. But hey, that's just my opinion.

    Can't say that I've ever heard the compressor run for more than a couple of minutes but it's hard to hear at the best of times.

    I have tried to confirm run times and lock outs but the info I have access to does not seem to indicate timings anywhere.

    The system shouldn't lose any air if the valves and lines are intact. Mine stayed at normal height with everything locked out (tank and compressor inactive) for 500km of running over three days due to a dodgy high pressure relief valve.

    The system wakes every 6 hours or so the vehicle is stationary to check everything is on the level and adjust as necessary so a slow leak may sometimes only be apparent by checking the faults logged. If the LR spec is saying it checks OK then its a fair bet all is in order.

    That's my 2c worth.

    Cheers,
    Iain

  3. #13
    Homestar's Avatar
    Homestar is offline Super Moderator & CA manager Subscriber
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    Checked another one out today. It worked fine doing a full cycle from access to off road, but then when I cycled it a second time, it took a fair time, so it may be that everything is ok with the first one. I will be checking it out again this weekend, so I may time everything myself, and compare it to the second vehicle I am looking at.

    I'll compare them both and post the results...

    Thanks for everyones input.
    If you need to contact me please email homestarrunnerau@gmail.com - thanks - Gav.

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