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  1. #1
    Veteran Member Three Rings Fink_tha_Audi's Avatar
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    Jun 14 2008
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    29925
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    99.5 Audi A4 1.8t Q
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    Dover, Delaware

    How to tell if you have turbo failure?

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    Well went to the exhaust shop today to weld up where there were clamps and they told me that my car had some rattling sound coming down the downpipe, that it could be from the turbo. So is there any way to tell if there is any problem with my gt2871r. I will post up a sound clip or something for you guys to listen to. Any suggestion or comments would be great.

  2. #2
    Registered Member Two Rings GDT's Avatar
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    Nov 05 2008
    AZ Member #
    34970
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    08 A3 3.2 S LINE
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    SAN MARCOS CA

    Re: How to tell if you have turbo failure?

    So I went to trade in my 2.0t and the sales manager said that i had a turbo failure. He said that he could hear it when i pulled in the lot. So the rattling you heard yeah thats a turbo prob. Better have it taken care of bro

  3. #3
    Veteran Member Four Rings ghost6303's Avatar
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    Nov 03 2008
    AZ Member #
    34881
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    98A41.8TQM
    Location
    CT

    Re: How to tell if you have turbo failure?

    just take the intake pipe off and see if the shaft has any play in it. most turbos sound like a dentist drill when they are on the way out and the sound normally gets worse as time goes on. a "rattle" could be anything.

  4. #4
    Veteran Member Three Rings Fink_tha_Audi's Avatar
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    Jun 14 2008
    AZ Member #
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    99.5 Audi A4 1.8t Q
    Location
    Dover, Delaware

    Re: How to tell if you have turbo failure?

    Quote Originally Posted by ghost6303 View Post
    just take the intake pipe off and see if the shaft has any play in it. most turbos sound like a dentist drill when they are on the way out and the sound normally gets worse as time goes on. a "rattle" could be anything.
    Yea it definitely does not sound like a "dentist drill", I guess it when I rev it up and like rpm come down is when you will hear the most. But ill doing to do what you told, just see if the shaft wiggles right?

  5. #5
    Senior Member Three Rings erikas3's Avatar
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    Feb 08 2008
    AZ Member #
    25041
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    2003 Jetta GLI 24V
    Location
    Tinley Park, IL

    Re: How to tell if you have turbo failure?

    It's likely the wastegate assembly rattling.. That's what mine was like before I changed the turbo.
    1998.5 Audi A4 1.8T (Hibiscus Red)
    Soon to be BT...

  6. #6
    Registered Member One Ring
    Join Date
    Sep 15 2008
    AZ Member #
    33057
    My Garage
    97 A4 1.8T Quattro
    Location
    huntersville, NC

    Re: How to tell if you have turbo failure?

    my car has a rattle, had a guy from the dealer check it out and turns out to be my heat shield. but it does get kinda annoying

  7. #7
    Veteran Member Three Rings Fink_tha_Audi's Avatar
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    Jun 14 2008
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    99.5 Audi A4 1.8t Q
    Location
    Dover, Delaware

    Re: How to tell if you have turbo failure?

    Quote Originally Posted by erikas3 View Post
    It's likely the wastegate assembly rattling.. That's what mine was like before I changed the turbo.
    Is there any way to check that without taking the whole thing apart.

  8. #8
    Senior Member Three Rings xraycer2012's Avatar
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    May 28 2008
    AZ Member #
    29304
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    An Audi
    Location
    South Bay
    Items for Sale

    Re: How to tell if you have turbo failure?

    Quote Originally Posted by price View Post
    my car has a rattle, had a guy from the dealer check it out and turns out to be my heat shield. but it does get kinda annoying
    I had a rattle too and it was a heatshield, that's probably what it is. and you could only really hear it when the revs dropped
    '14 S4

  9. #9
    Veteran Member Three Rings Fink_tha_Audi's Avatar
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    Jun 14 2008
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    99.5 Audi A4 1.8t Q
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    Dover, Delaware

    Re: How to tell if you have turbo failure?

    Quote Originally Posted by xraycer2012 View Post
    I had a rattle too and it was a heatshield, that's probably what it is. and you could only really hear it when the revs dropped
    I have no heatshield.

  10. #10
    Registered Member Two Rings
    Join Date
    Nov 07 2008
    AZ Member #
    35031
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    '97 A4 2.8QM
    Location
    Mountains of Colorado

    Re: How to tell if you have turbo failure?

    Quote Originally Posted by Fink_tha_Audi View Post
    I have no heatshield.
    You should get one from Blink Tek Design, check em out at www.blinktekdesign.com

    Otherwise, rattles can be a number of things, you may have play in the turbo, could be metal klinking together elsewhere in the car, have you personally scoped the sound out?
    '97 Audi A4 Quattro, 2.8L 12V V-6, 5-Speed Manual. ~The Daily Driver
    '96 Chevy Camaro Z/28, 350(5.7L) LT-1 V-8, 3-Speed Auto. ~The Weekend Warrior
    "Take it Easy...And if its Easy, Take it Twice." -KajunAudillac

  11. #11
    Veteran Member Four Rings B5A4Kevin's Avatar
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    Apr 06 2008
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    27370
    Location
    Brandon, FL

    Re: How to tell if you have turbo failure?

    i have the blinktek shield and love it. my commute to work is 45min to 1.5hrs depending on traffic. its a mix of stop and go and 80+. when i get home the EM/Turbo are hot as balls (not glowing), and the filter is still ambient. the shield turns your HAI into a CAI.



    Current whip:

    99.5 A4 1.8T quattro Sport.

    RIP:
    Brilliant Black 06 A3 2.0T 6-spd

    Brilliant Black 01 A4 1.8T QMS

    Pearl White 99 A4 1.8t QMS

  12. #12
    Senior Member Three Rings erikas3's Avatar
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    Feb 08 2008
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    2003 Jetta GLI 24V
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    Tinley Park, IL

    Re: How to tell if you have turbo failure?

    Quote Originally Posted by Fink_tha_Audi View Post
    Is there any way to check that without taking the whole thing apart.
    Sadly, no there isn't.. You need to take the downpipe off of the turbo..
    Basically what happens is the flap that opens/closes the gate gets loose (like in my case) will break off and you will not be able to produce any boost.
    When I was researching this, I saw that it was fairly common with K03's..
    1998.5 Audi A4 1.8T (Hibiscus Red)
    Soon to be BT...



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