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1.8t turbo chatter

Discussion in 'A4/S4 forum(B5 Chassis)' started by Chriscooke, Jul 15, 2013.

  1. Chriscooke
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    Chriscooke Clueless!

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    [Jul 15, 2013]
    My QTS has developed turbochatter/ a dump valve sound on lift off. I know that these engines aren't meant to sound like this so what could be causing it? Worn Diverter valve?

    The car is feeling slow also, not sure if it's connected though as could be another issue.
    #1
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  3. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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  4. Bradderz_1988
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    Bradderz_1988 Dont replace it, Upgrade it !!

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    [Jul 15, 2013]
    ^^ as above
    #3
  5. Chriscooke
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    Chriscooke Clueless!

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    [Jul 15, 2013]
    Cheers. What dv should I fit if mine has failed? oem or an aftermarket unit?
    #4
  6. Oranoco
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    Oranoco Well-Known Member

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    [Jul 16, 2013]
    Standard 710 iirc from Audi from the 225 BAM engine or Forge 007 if you want aftermarket.
    #5
  7. Bradderz_1988
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    Bradderz_1988 Dont replace it, Upgrade it !!

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    [Jul 16, 2013]
    Yep forge 007p i run this some say they leak and spit the seal but mines fine and running great !!

    or you could get the new revised 008 !!
    #6
  8. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Jul 16, 2013]
    007/008 waste of money. I have a revised 007 on mine, no leaky, but only cos it was fitted when i bought it. I'd go OEM given they are £30 and last 10 yrs or more and hold up to 2 bar perfectly
    #7
  9. Bradderz_1988
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    Bradderz_1988 Dont replace it, Upgrade it !!

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    Think mines the 007p from awesome GTI is that the revised version ??
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  10. Broken Byzan
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    Broken Byzan Photographic Moderator Staff Member Moderator VCDS Map User

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    [Jul 16, 2013]
    only if it's under about 4 mnths old, otherwise contact Forge for the revised piston kit. I had mine for free no questions asked.
    #9
  11. Bradderz_1988
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    Bradderz_1988 Dont replace it, Upgrade it !!

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    [Jul 16, 2013]
    #10
  12. Chriscooke
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    Chriscooke Clueless!

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    [Jul 17, 2013]
    Oem seems to be the way forward then. Cheers guys.
    #11
  13. jcb
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    jcb Active Member VCDS Map User

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    [Jul 17, 2013]
    I think the Forge one is a decent option, expensive bit of bling but i always prefer metal over plastic.
    the placcy one I had introduced a bit of hesitancy responding to quick decel/overrun - acceleration
    never had that in 8 years of 007 ownership
    #12

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