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EAS Valve Seal Kit Change

Discussion in 'Technical Archive' started by Doo, Jun 23, 2017.

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  1. Doo

    Doo Well-Known Member

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    Location:
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    I removed the block complete in it's housing...removed air pump and started to undo valve block from plastic housing...

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    Undo the blue hose from valve block...

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    Working side....

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    Undo solenoid covers from valves....

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    Meant to say, one job was to check the dessicant ....

    If it was damp, wet or powdery it's time for a change...this is perfect :)

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    Next job, remove valve block from plastic housing and lay on clean work surface...undo drive control pack & note which way the brackets go...

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    Below is the other bracket, photo taken to recall which way round it goes...

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    Ok, covers off...

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    I decided to mark each solenoid cover so I could replace them in the right order...imagine the fun if you mixed them up :p

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    Off.....next....

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    Naked!

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    Then I removed the valves and was left with some "O" rings...remove these and wipe the block with a clean soft cloth. I used a dry tea towel.

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    I then vacuumed any dust with the tea towel over the nozzle to prevent damage

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    X8r's very comprehensive "O" ring set

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    Didn't lose the spring...diaphragm was well jammed in though

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    Removed the collets so I could replace the airline "O" rings

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    This is a very handy tool and got them all out, even the tiny wee ones...

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    Turns out it's a Mercedes tool (it came with my E320 couple of year ago) and the part number is there for all to see...

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    Just the job...

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    Next, I laid out the new "O" rings for insertion into the airline holes...

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    I painted each new "O" ring with vaseline to aid insertion and prevent nipping...

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    They are "mounted" on a drill bit 1/2 mm smaller than the "O" ring...

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    I inserted each "O" ring with my fingers, then pushed it home using the end of the drill bit (the blunt end), then poked the bit in (after a smear of Vaseline) and twisted it to ensure the "O" rings were centred...

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    I re-inserted the collets again...

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    Here's a photo for L322 to give him a buzz :D:p

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    As each set of "O" rings went in, I checked they were centred

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    Valve block next

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    The teeny weeny "O" rings were a mare, ended up using a thin bladed knife to get them off over the end of the valve....

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    A smidge of Vaseline...

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    When screwing everything back together, I screwed them in a couple of turns, then used the drill. I set it to screw and adjusted the torque, more so I wouldn't snap my wrist :p

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    Don't forget these little boogers...:eek: Undo the phillips screws, remove the top and twist the cap until it comes off. Watch for springs. I painted a bit of Vaseline on the bottom, slid the "O" ring down and gently pushed it back in place, slid the top cover on and screwed it up hand tight...

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    Rebuild time... Anyone notice the cock up?? ;)
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    Above, I put the solenoid covers on 180 degree's out. Made for a bit of fun trying to place the wires, but I soon figured it out. Wife came home and wanted her kitchen back. She was hurrying me, but ended up waiting longer while I undid all the screws and fixed my cock up :rolleyes:

    Thread lock just stops everything shaking loose

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    All that's missing is the motor... It's easier to replace it when the valve block is bolted back on the car.

    So that was my attempt and tomorrow I'll find out if I was successful :confused:
     
  2. Mark Piercy

    Mark Piercy Well-Known Member

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    brilliant doooooooo,
    you may consider replaceing the nrv's? They look a bit used! years of self aligning has chewed the ends a bit!!
    cool write up! With picture but no print off's to colour in?:p
     
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  3. brianp38dse

    brianp38dse Well-Known Member

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    I was thinking the same about the nrv`s, try @kurtjohnson10 he may still have some.
     
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  4. luckymark

    luckymark Active Member

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    Seems to have gone a bit better than my rebuild! lol i hope you've got your diaphragm up the right way!
     
  5. Doo

    Doo Well-Known Member

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    My wife is always going on about my nutrient reference values an all :rolleyes:

    Plenty nutrients in Scotch :D

    I replaced the diaphragm as I found the old one, almost shiny side up. The plastic bit located in the middle of the diaphragm was a mare to get off and I put a small gouge in it, but not where it makes contact with anything else. So a bit of rubbing down with sandy paper took the sharp edge off it.

    Apart from that and getting the solenoids front to back, it went well. :)

    Still no idea if it works :D
     
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  6. Saint.V8

    Saint.V8 Dyed-in-the-wool 100% RR Junkie

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    Great write and photos Doo,

    A candidate for the Technical Archive I reckon @blue beasty ??
     
  7. blue beasty

    blue beasty Leaks an prone to bits dropping off Global Moderator

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    I agree
     
  8. kurtjohnson10

    kurtjohnson10 Well-Known Member

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    If anybody needs a new set of nrvs and o-rings i have a couple of sets left :)
     
  9. Doo

    Doo Well-Known Member

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    How much for the NRV's? Remember I live on a island (according to rip off couriers)... Aye, it's called Britain :D

    Royal mail postage of course...
     
  10. kurtjohnson10

    kurtjohnson10 Well-Known Member

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    Hi
    £34 a set and that includes postage mate :)
    Thanks
    Kurt
     
  11. Doo

    Doo Well-Known Member

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    Do you do PayPal? I have no idea how to send it unless you send me a PayPal bill!
     
  12. kurtjohnson10

    kurtjohnson10 Well-Known Member

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    I will message you now lol ;)
     
  13. kurtjohnson10

    kurtjohnson10 Well-Known Member

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    private message sent :)
     
  14. MollyNomad

    MollyNomad Well-Known Member

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    QUOTE="kurtjohnson10, post: 4019409, member: 95668"]Hi
    £34 a set and that includes postage mate :)
    Thanks
    Kurt[/QUOTE]
     
  15. MollyNomad

    MollyNomad Well-Known Member

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    Don't want to appear rude and jump in here as some random stalker but very impressed with this little rebuild...but a bit concerned that your tub of Vaseline is so small, what with you living in such a remote place(as far as postalservices are concerned)....you need a bigger tub!!
     
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  16. Doo

    Doo Well-Known Member

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    I don't need a lot :p
     
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  17. kurtjohnson10

    kurtjohnson10 Well-Known Member

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    nrv kit sent out today - thank you
     
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  18. Guncrew

    Guncrew Member

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    Your wife , :))))))
    Mwahahhahaha
     
  19. Doo

    Doo Well-Known Member

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    My was then and is now, a legend :cool:

    I have to say though, Vaseline OUT, red grease IN...
     
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  20. Guncrew

    Guncrew Member

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    Started on getting valve block out
    No air in pipes
    Apart from no5
    Erm o well
     
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