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  1. #1
    Gunny110's Avatar
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    My derv has a strange rattle

    Hi all, I've noticed that my car is sounding more like a tractor than it should. I lifted the bonnet last night and it seems to be coming from around the turbo/flexipipe. I can't see anything obvious and smurf runs as she should, anyone shed some light on it?

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  3. #2
    jbh
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    could be the cat has broke up inside. when its turned off and cold see if you can give it a tap with something and see if it rattles
    1997 A4 Avant 110 TDi quattro
    1996 A4 Avant 110 TDi breaking

  4. #3
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    Thanks jb, with the engine running just put some light pressure on the flexi and the rattle stopped?

  5. #4
    jbh
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    yea sounds like your cat has broke up. perfect excuse to take it off and get the gubbins from inside out

    P.S I haven't forgot about the coilovers ive just not had a minute between kids in laws and 7 seaters
    1997 A4 Avant 110 TDi quattro
    1996 A4 Avant 110 TDi breaking

  6. #5
    Gunny110's Avatar
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    No worries jb, will that increase performance?

  7. #6
    jbh
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    Quote Originally Posted by Gunny110 View Post
    No worries jb, will that increase performance?
    if you take all the crap out the cat it will give it a bit extra go and improve mpg slightly
    what youre doing is taking away a restriction. and to be honest an older diesel doesn't really need it
    1997 A4 Avant 110 TDi quattro
    1996 A4 Avant 110 TDi breaking

  8. #7
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    It's the cat, looks like il be gutting it out then any ideas, or do I just mash up the insides until they all fall out?

  9. #8
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    So I decated the car buy guting the cat and still have a ting ting rattle, any ideas?

  10. #9
    "Stick a V8 in it!"

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    Does it still stop if you press on the exhaust?

    2000 A4 1.8T Sport Quattro Avant, Berry Pearl
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  11. #10
    Gunny110's Avatar
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    No unfortunately not, it sounds like it is coming from the engine

 

 

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