[Biturbos4] S4 Avant - turbo problem?

[Michael Kuriger]

I have K03's still. 

Mike

Fabryce wrote:

>Thats premature failure for sure..
>
>Does the car have k0-4;s on it or the K0-3s?
>
>
>There is no reason why real K0-4s should fail with a chip.
>Unless who ever installed them, didn't install them correctly.........
>
>Fabryce Kutyba
>Hartmann  Motorsports
>www.hartmann-motorsports.com
>949-475-2500
>----- Original Message ----- 
>From: "Michael Kuriger" <michael at isuzu-mods.com>
>To: "Robin Gibson" <robingibson at cowanlinn.co.uk>
>Cc: <biturbos4 at audifans.com>
>Sent: Thursday, November 20, 2003 9:00 AM
>Subject: Re: [Biturbos4] S4 Avant - turbo problem?
>
>
>  
>
>>it's probably time to replace the turbos again.  My brand new turbos I
>>had put on a few weeks ago just blew out again!  I can't believe how
>>shitty they are with a chip.  I mean, 1500 miles is a bit early for
>>    
>>
>failure.
>  
>
>>Mike
>>
>>Robin Gibson wrote:
>>
>>    
>>
>>>Hi
>>>
>>>Over the last 1000 miles I have noticed some unusual engine noises;  at
>>>      
>>>
>low revs on light throttle, there is a low-pitched whistle or drone which
>sounds like one of the turbos getting up to speed slowly.  On more throttle
>or once the turbos are spinning, the noise is not apparent.  At higher revs
>(above 5000), there is a high-pitched buzz/chattering sound.  Neither noise
>would mean much to anyone who doesn't drive an S4 regularly.
>  
>
>>>The engine is slightly slow to pick up at low revs, but feels generally
>>>      
>>>
>ok above 2000rpm or on heavy load.  I replaced the turbos about 20,000 miles
>ago after the manifold developed hairline cracks, but the noises this time
>sound quite different.  I suspect maybe a wastegate problem or perhaps an
>air leak somewhere
>  
>
>>>Has anyone experienced this before?  I have read many emails discussing
>>>      
>>>
>boost gauges and the VAG COM; would a turbo or hose problem show up with
>either of these, and is it easy enough to rig up something temporary to
>check?
>  
>
>>>I'd greatly appreciate any advice anyone can offer, as I have mentioned
>>>      
>>>
>it to my dealer but he doesn't want to know until something blows up.  Might
>suit him, but I don't fancy waiting...
>  
>
>>>Ta
>>>
>>>Robin Gibson
>>>1999 S4 Avant abt 310
>>>
>>>e-mail: robingibson at cowanlinn.co.uk
>>>
>>>_______________________________________________
>>>Biturbos4 mailing list
>>>Biturbos4 at www.audifans.com
>>>http://www.audifans.com/mailman/listinfo/biturbos4
>>>
>>>
>>>
>>>      
>>>
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>>    
>>
>
>  
>