A juddery runner...

Discussion in 'Bulletin Board' started by Stephen Dawson, Jun 12, 2022.

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  1. Stephen Dawson

    Stephen Dawson Well-Known Member

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    Bought an A4 on eBay and it judders. It obviously works. How do I make it glide?
     
    Stephen Dawson, Jun 12, 2022
    #1
  2. Tyke_67

    Tyke_67 Well-Known Member

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    I've no idea what this is, but can you:

    Give it a kick?
    Hit it?
    Turn it off and back on again?

    If none of these work, I'm out....:):)
     
    Tyke_67, Jun 13, 2022
    #2
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  3. orsenkaht

    orsenkaht Well-Known Member

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    You need a new pressure release valve.
     
    orsenkaht, Jun 13, 2022
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  4. Del Rosso

    Del Rosso Well-Known Member

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    Check the centrifugal oscillator is connected to the giggling pin and laughing arm
     
    Del Rosso, Jun 13, 2022
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  5. lk3

    lk311 Well-Known Member

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    Is it diesel?
    Could be EGR, plugs, pressure relief valve, fuel pump or even turbo issues.
    You really need to get it scanned.
     
    lk311, Jun 13, 2022
    #5
  6. jud

    judith charmers Well-Known Member

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    Red bull?
     
    judith charmers, Jun 13, 2022
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  7. Old Goat

    Old Goat Well-Known Member

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    Old Goat, Jun 13, 2022
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  8. Old Goat

    Old Goat Well-Known Member

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    I have one of those. I call it a season ticket.
     
    Old Goat, Jun 13, 2022
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  9. TitusMagee

    TitusMagee Well-Known Member

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    Could be an engine misfire. Might be as simple as replacing a spark plug...
     
    TitusMagee, Jun 13, 2022
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  10. Tyk

    Tyketical Masterstroke Well-Known Member

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    Pour Coca-Cola down the back of it and claim it on the insurance.
     
    Tyketical Masterstroke, Jun 13, 2022
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  11. jedi one

    jedi one Well-Known Member

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    sounds like the skimandizer valve, i think i.ve got one in my shed
     
    jedi one, Jun 13, 2022
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  12. Mr Badger

    Mr Badger Well-Known Member

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    I'm more a foolscap rather than A4 person.
    You could try A5, it doesn't take up as much room.
     
    Mr Badger, Jun 13, 2022
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  13. Gimson&theBarnsleys

    Gimson&theBarnsleys Well-Known Member

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    Diesel injectors need replacing - get thi wallet ready.
     
    Gimson&theBarnsleys, Jun 13, 2022
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  14. Chi

    Chippy red Well-Known Member

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    Take it to darkside Developments at grimey.
     
    Chippy red, Jun 13, 2022
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  15. Spr

    Sprotbrough Red Well-Known Member

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    Make sure the wheels are all cleaned, a little pen oil on rotating part of motor would help too, then just keep running it and it might just start running better on it's own. I've 2 diesel O8 shunters and both judder like hell
    Good runnings
     
    Sprotbrough Red, Jun 13, 2022
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  16. Mr Badger

    Mr Badger Well-Known Member

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    I've just repaired an n gauge 08.
    A bit more fiddly than an 00.
     
    Mr Badger, Jun 13, 2022
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  17. Spr

    Sprotbrough Red Well-Known Member

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    No doubt my fingers are far too fat for N gauge, the old 08's aren't too bad to work on but they don't half run like pigs
     
    Sprotbrough Red, Jun 13, 2022
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  18. #FWF

    #FWF Well-Known Member

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    Mallard? Sir Nigel Gresley?
     
    #FWF, Jun 13, 2022
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  19. Bossman

    Bossman Well-Known Member

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    Have you checked the left phalange?
     
    Bossman, Jun 13, 2022
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  20. Mr Badger

    Mr Badger Well-Known Member

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    Weren't they involved in the Spanish civil war?
     
    Mr Badger, Jun 13, 2022
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