EAS connection at the tank
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Thread: EAS connection at the tank

  1. #1
    JUNIOR ROVER
    Join Date
    March 28th, 2010
    Location
    COLOMBO, SRI LANKA
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    809

    EAS connection at the tank

    Hi all,

    My EAS tank appears to loose air, as every time I start the car the pump start running for about 2 minutes & then everything seems okay.
    This happens if I park the car for 1 hour or more. How is the connection at the tank input made? does it have normal rubber o-rings?
    Pump & valve block were rebuilt , about 3 months ago and all checks say the pump is perfect.

    Thanks in advance for your ideas.
    P38 - 1997 2.5 DSE
    CLASSIC - 1982 ,2.4 VM DIESEL(In complete Project-sold)
    TOYOTA CORSA -1998, 1.5 TURBO DIESEL (sold)

    Haven't heard of Murphy's Law, go buy a RANGE ROVER.!

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  3. #2
    JUNIOR ROVER
    Join Date
    June 2nd, 2013
    Location
    harlow, essex, uk
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    715

    Re: EAS connection at the tank

    If I remember correctly, the pipes have a small olive on them

  4. #3
    FRESHMAN ROVER
    Join Date
    November 10th, 2016
    Location
    Tasmania
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    218

    Re: EAS connection at the tank

    Take a spray bottle with soapy water and spray it on all the connections/components.

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  6. #4
    JUNIOR ROVER
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    April 24th, 2006
    Location
    Northern California
    Posts
    838

    Re: EAS connection at the tank

    I believe the line to the tank has the same collet on both ends, at the valve block and the tank. So are you keeping the height settings? If so then it does sound like your air loss is from the tank side. Running for two minutes isn't that long its just topping it off. What happens if you leave it for days?
    '99 Range Rover HSE
    '02 Audi S6

  7. #5
    JUNIOR ROVER
    Join Date
    March 28th, 2010
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    COLOMBO, SRI LANKA
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    Re: EAS connection at the tank

    Sorry guys. I'm busy with a family member's funeral, will revert soon.
    P38 - 1997 2.5 DSE
    CLASSIC - 1982 ,2.4 VM DIESEL(In complete Project-sold)
    TOYOTA CORSA -1998, 1.5 TURBO DIESEL (sold)

    Haven't heard of Murphy's Law, go buy a RANGE ROVER.!

  8. #6
    FRESHMAN ROVER
    Join Date
    July 14th, 2016
    Location
    Cape Town, South Africa
    Posts
    211

    Re: EAS connection at the tank

    Quote Originally Posted by chris no 10 View Post
    If I remember correctly, the pipes have a small olive on them
    I'm not sure about the tank end, but the valve body and bags are FESTO type push-in fittings.
    Cheers,
    John

    Rover P6B
    Land Rover Discovery 2 Td5 Manual
    Range Rover P38 HSE GEMS
    Moto Guzzi LeMans 850
    Aprilia Tuono V2

  9. #7
    JUNIOR ROVER
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    March 28th, 2010
    Location
    COLOMBO, SRI LANKA
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    809

    Re: EAS connection at the tank

    I'm back guys.
    I assumed it's the tank input as whenever on the highway doing above 80 KPH would drop the car to highway height from the standard height. But when I slow down, the EAS blinks the 'standard height' light but good 2-3 minutes too it's unable to get to that height. All this happens while the pump running (I can feel it ) & after a while whole set of lights blink & system goes to 'slow 55 KPH' message. If the tank had enough air this wouldn't have happened.
    Error was re-set using RSW software after returning home.
    P38 - 1997 2.5 DSE
    CLASSIC - 1982 ,2.4 VM DIESEL(In complete Project-sold)
    TOYOTA CORSA -1998, 1.5 TURBO DIESEL (sold)

    Haven't heard of Murphy's Law, go buy a RANGE ROVER.!

  10. #8
    SENIOR ROVER
    Join Date
    June 11th, 2016
    Location
    northern va 22003
    Posts
    1,298

    Re: EAS connection at the tank

    you could potentially have a weak compressor which is experiencing difficulty building air pressure, when this happens pressure sensor senses drop in pressure here is how: as you reach highway speed vehicle lowers in order to aid aerodynamics this exhaust air from springs only, not the tank. to maintain pressure in reserve tank compressor cycles on and off at all times.

    as you exit highway or speed lowers below set threshold, vehicle attempts to reach normal height. stored air in tank exits to air springs, sensor senses loss of pressure eas ecu sees signal and this turns on compressor. ecu expects to see a rise in pressure, if said pressure fails the system sends a message, may set a code and may shut down, specially if compressor has ran too long attempting to build pressure and the thermal protector trips.

    on a personal note, I have never had positive and or lasting experience with rebuilding compressors thus do not recommend it, after a 4th consecutive renewed ring failure I decided to install new and never looked back. so far so good.
    2k p38 4.6
    95 lwb 4.6
    01 d2 4.0

  11. #9
    SENIOR ROVER
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    Location
    Chester, England
    Posts
    1,256

    Re: EAS connection at the tank

    I have rebuilt many compressors for myself and others over the years. It very much depends on where you get the seals from. I can recommend these:-

    https://www.ebay.co.uk/itm/Range-Rov...frcectupt=true

    They were previously trading as Symlise which many will know, but are now Original_Landyair.

    My current compressor was rebuilt with these over 5 years ago and is still going strong. I have had failures with some orange Dutch seals, which seemed to shrink in the bores.
    It is also important to examine the cylinder bore and replace it if there is any scouring.
    2000 Range Rover 2.5 DSE HP24 auto, uprated torque converter - JFearn chip, larger intercooler, removable winch, stainless exhaust, alloy radiator, Gen III's, Terrafirma +2" shocks, GG AT2's. Faultmate MSV2. Land Rover folding mountain bike with 1000W electric motor.
    ex-1996 Discovery 2.5 300Tdi diesel auto
    ex-1982 Classic 3.86 Perkins diesel manual

  12. #10
    FRESHMAN ROVER
    Join Date
    February 5th, 2019
    Location
    San Jose, CA
    Posts
    10

    Re: EAS connection at the tank

    The tank connection is a 6mm line that goes into a brass collet with 2 O rings inside. There is a little rubber nipple over the connection that is easily slid off. I trimmed a bit of the nylon hose to stop a leak, so far so good.

  13. #11
    JUNIOR ROVER
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    809

    Re: EAS connection at the tank

    Pump was repaired with new piston, seal & intake filter in Dec last year. Tested it with finger at the output port & it's very strong push.
    Why I assume it's the tank is that even after running(by the system 2-3 minutes, if I drop the car to crawl (?) height and then try to get it back to standard height, it won't move unless pump runs again for 2-3 minutes. So it got to be the tank input or desiccator bottom (?) line. Basically, any upward movement demands the pump to run irrespective of whether the pump ran &stopped just before that moment.
    But none of EAS o-ring replacement documents/ gurus, talk about tank input o-rings.

    any one got a picture of tank input connection, please?
    P38 - 1997 2.5 DSE
    CLASSIC - 1982 ,2.4 VM DIESEL(In complete Project-sold)
    TOYOTA CORSA -1998, 1.5 TURBO DIESEL (sold)

    Haven't heard of Murphy's Law, go buy a RANGE ROVER.!

  14. #12
    JUNIOR ROVER
    Join Date
    October 17th, 2017
    Location
    East England
    Posts
    680

    Re: EAS connection at the tank

    2-3 minutes is nowhere near long enough, you need the pump to run for 8-10 minutes to fill the system fully. Once full, you should be able to drop the suspension to the lowest setting and then up to high and it should do it immediately. Obviously you will be taking a lot of the reservoir capacity to do that so the pump will cut in to refill the tank. Start the car, let it run with the suspension on low until the pump cuts out, which can be up to 10 minutes. If the pump doesn't cut out after 15 minutes, it isn't capable of generating sufficient pressure. Assuming it does cut out, send it to high, it should go up immediately, then drop it to low and back up to high again. If it doesn't lift it up twice in quick succession, then you have a leak and it isn't holding the pressure.
    97 4.0SE
    98 4.0 Police spec
    and a number of others I maintain for the owners.

  15. #13
    JUNIOR ROVER
    Join Date
    March 28th, 2010
    Location
    COLOMBO, SRI LANKA
    Posts
    809

    Re: EAS connection at the tank

    pump stops after 2-3 mts run. Am I to run it via the relay manually, for 8-10 mts?
    P38 - 1997 2.5 DSE
    CLASSIC - 1982 ,2.4 VM DIESEL(In complete Project-sold)
    TOYOTA CORSA -1998, 1.5 TURBO DIESEL (sold)

    Haven't heard of Murphy's Law, go buy a RANGE ROVER.!

  16. #14
    JUNIOR ROVER
    Join Date
    October 17th, 2017
    Location
    East England
    Posts
    680

    Re: EAS connection at the tank

    There's something wrong then. Either it was almost full in the first place or the pressure switch is cutting it off far too soon.
    97 4.0SE
    98 4.0 Police spec
    and a number of others I maintain for the owners.

  17. #15
    JUNIOR ROVER
    Join Date
    March 28th, 2010
    Location
    COLOMBO, SRI LANKA
    Posts
    809

    Re: EAS connection at the tank

    Let me try manual pumping & see.
    P38 - 1997 2.5 DSE
    CLASSIC - 1982 ,2.4 VM DIESEL(In complete Project-sold)
    TOYOTA CORSA -1998, 1.5 TURBO DIESEL (sold)

    Haven't heard of Murphy's Law, go buy a RANGE ROVER.!

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