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Thread: Common issues?

  1. #1
    Reverse Gear

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    Common issues?

    Hi,
    im just looking at purchasing a 2005 a3 2.0 tdi sport.
    Just wondering if you have come accross any issues i should look out for?
    cheers,
    James

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    Boydie's Avatar
    Boycie

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    Juddery at idle - suggests knackered flywheel

    Potential slippy clutch so test for that

    check the glove box opens slowly and smoothly - these break regularly

    Get up to boost then let go quickly, if you hear a coooo noise or something like sounds like a stall, the turbo could be on the way out

    Check that the econ light doesnt stay on permanently - this could indicate just a simple fuse blown or a dodgey throttle body

    Overall, pretty bullet proof cars, mine (parents now) has 90k+ on the clock and going strong!

  4. #3
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    Head cracking on early 2005 model BKD engines. There was a sticky on this site with the engine numbers to look out for but cannot find it now.
    06 Audi 2.0 PD140 Sport TDI Quattro S-LINE.
    Old engine 330 bhp @ flywheel 263 bhp @ wheel 490 lb torque. Audidriver write up HERE
    Now stripped and playing with an uprated Cryo treated engine fitted with bigger turbo,water/methanol,uprated injectors etc etc.Wanting 400 bhp and 500 lb torque.

    Other car 500+ bhp MK4 Golf R32 turbo.

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    NHN
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    Urrrm a cooooo noise, can you be a tad more explanatory Andy as my new hybrid has a kind of spinning down air noise when I stick foot down then let go quickly, you referring to this?

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

    PARKING SYSTEMS - DIAGNOSTICS - FAULT FINDING - BODYWORK - PAINTWORK

  6. #5
    devonmikeyboy's Avatar
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    Quote Originally Posted by NHN View Post
    Urrrm a cooooo noise, can you be a tad more explanatory Andy as my new hybrid has a kind of spinning down air noise when I stick foot down then let go quickly, you referring to this?
    Nope thats normal mate.
    06 Audi 2.0 PD140 Sport TDI Quattro S-LINE.
    Old engine 330 bhp @ flywheel 263 bhp @ wheel 490 lb torque. Audidriver write up HERE
    Now stripped and playing with an uprated Cryo treated engine fitted with bigger turbo,water/methanol,uprated injectors etc etc.Wanting 400 bhp and 500 lb torque.

    Other car 500+ bhp MK4 Golf R32 turbo.

  7. #6
    NHN
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    As always Mike, thanks for your input mate.

    Its just my old turbo didnt do this & the new hybrid isnt even custom mapped yet, so wondered why it was doing this now as never experienced it before on my car.

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

    PARKING SYSTEMS - DIAGNOSTICS - FAULT FINDING - BODYWORK - PAINTWORK

  8. #7
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    As long as it sounds like THIS it`s the waste gate opening. Your hearing it now as the new turbo even though not mapped is making more boost which makes more noise when the waste gate opens. Your running about 1.6 bar peak at the moment. You should have come for a ride in my car when it was running 2.2bar peak new rebuild hopefully running 3 bar peak.

    Turbo compressor surge sounds the same but is totally different thing which you don`t want to hear your turbo doing as HERE .
    06 Audi 2.0 PD140 Sport TDI Quattro S-LINE.
    Old engine 330 bhp @ flywheel 263 bhp @ wheel 490 lb torque. Audidriver write up HERE
    Now stripped and playing with an uprated Cryo treated engine fitted with bigger turbo,water/methanol,uprated injectors etc etc.Wanting 400 bhp and 500 lb torque.

    Other car 500+ bhp MK4 Golf R32 turbo.

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    Check how it starts when Hot and cold!
    Oh count how many rattles!
    If Aircon works
    Check display between to speedo and rev counter hasn't got pixels gone or a line down it .
    If it's a 3 door check the front seats that they will fold over and slide forward / Mine would never slide forward then folded.

  10. #9
    NHN
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    Quote Originally Posted by devonmikeyboy View Post
    As long as it sounds like THIS it`s the waste gate opening. Your hearing it now as the new turbo even though not mapped is making more boost which makes more noise when the waste gate opens. Your running about 1.6 bar peak at the moment. You should have come for a ride in my car when it was running 2.2bar peak new rebuild hopefully running 3 bar peak.

    Turbo compressor surge sounds the same but is totally different thing which you don`t want to hear your turbo doing as HERE .
    I think its the 1st so will do some checks tomorrow.

    OEM RETROFITS - CRUISE CONTROL - SAT NAV - BLUETOOTH - AMI - HEADLIGHT SYSTEMS

    PARKING SYSTEMS - DIAGNOSTICS - FAULT FINDING - BODYWORK - PAINTWORK

 

 

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