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Red hot compressor

Discussion in 'Range Rover' started by Radar1946, Apr 28, 2018.

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  1. Radar1946

    Radar1946 Active Member

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    Fitted a new compressor, refurbished the vale block, now it moves to the varios heights and the lights on the switch are working, but takes a long time to Change when driving and the compressor is very hot.
     
  2. tomcat59alan

    tomcat59alan Well-Known Member

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    Is the compressor feeding a leak?
     
  3. Radar1946

    Radar1946 Active Member

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    Can not fing any leaks on the compressor or valve block. Could it be one of the suspension air bags leaking.
     
  4. ukadamwest

    ukadamwest Well-Known Member

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    The compressor should only take about 5 mins to fill the air tank. If it's running a long time it's either feeding a leak or the piston and sleeve are worn and it's not putting much out.. hence running long to fill the volume... if it's feeding a leak... it will never fill the volume
     
  5. Radar1946

    Radar1946 Active Member

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    Took the pipe off the end of the compressor and put my finger over the outlet and the air is coming out with lots of pressure
     
  6. ukadamwest

    ukadamwest Well-Known Member

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    Leak hunting time.

    Find a local pond. Park it in the pond, put some swimming goggles on with a snorkel and have a look to see if there are any bubbles.

    Don't eat a spicy bean burrito before hand...it will confuse the inspection findings.
     
    tanis8472, Paul D and Grrrrrr like this.
  7. tomcat59alan

    tomcat59alan Well-Known Member

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    Or just park it , swim away then run as fast as you can.
     
  8. Radar1946

    Radar1946 Active Member

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    Don't tempt me. I had all this trouble with the p38 I just sold . I bought a newer p38 and you might know I have got to go through it again.:mad:
     
  9. Grrrrrr

    Grrrrrr Well-Known Member

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    I'd park it up on extended ride height, pull the delay timer and see what she looks like in the morning.
     
    Radar1946 likes this.
  10. kds

    kds Active Member

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    I`m with Grrrrrrrr on this.
     
  11. Rangie Disco Sportsman

    Rangie Disco Sportsman Member

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    I've fitted the schrader tyre valves T-eed inbetween the valve block and bags, as is quite common, but also with the valves that can be manually closed between the schraders and the valve block. My first port of call is then to close all the valves and leave it. If it stays up you know the bags are fine and it's the valve block and if not it's either the bags, the piping from the bags or the connectors. It reduces the amount of soapy water squirting and aids in diagnosis but also means you can pump them up manually to not drive back on the bump stops.
     
  12. Grrrrrr

    Grrrrrr Well-Known Member

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    Mine had that when I got it. Turned out the T pieces were cheap **** and leaking! I still have the Scrader valves there but not plumbed in. In an emergency I could in theory connect them up (they have decent straight couplers on now from Activ-Air) but I always carry a spare compressor so not really an issue.
     
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  13. Rangie Disco Sportsman

    Rangie Disco Sportsman Member

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    I replaced all the piping from the same source as the push fit connectors when I did mine which I thought might be a sensible to minimise leaks.

    I work on trucks and trailers and their air systems are basically the same with larger bore piping and similar ride height sensors. They do stay less and less air tight as they age but if they are leaking air they don’t tend to suffer so much with looking like a wounded animal after being sat overnight as the RR does. The main thing is the compressor on them is so much more suitable for the task being engine driven, oil fed and water cooled that an air leak doesn’t cause it to promptly fail.
     
  14. Datatek

    Datatek Well-Known Member

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    If the airsprings are original, most likely it will be one or more of them leaking, they have a 7/8 year 80K mile design life.
    Adding lots of extra potential leaks with Schrader valves etc is IMO pointless. I overhauled mine when I bought the car 9 years ago and since then the only prblems I've had with the EAS was a dodgy driver pack and a new air dryer the contents of which decided to disintegrate.
    I do carry 4 Schrader valves that I can put on the ends of the valve block lines and a compressor, never had to use them though.
     
    Last edited: Apr 30, 2018
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  15. Radar1946

    Radar1946 Active Member

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    Fitted new air bags, now it works fine. near side air bag was leaking. Thank you all for your help.
     
    Grrrrrr likes this.
  16. Dopey

    Dopey Well-Known Member

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    Like this..... I found it easy



    upload_2018-5-16_20-18-4.jpeg
     
  17. Radar1946

    Radar1946 Active Member

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    I took it to my local swimming baths but they would not let me in. They said if they let me in everyone would want to go and test for leaks
     
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