[BiturboS4] S4 Blown Turbos - Update - Audi's Preliminary Diagnosis
michael at isuzu-mods.com
Mon Apr 21 10:23:23 EDT 2003
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mine were replaced by audi and have different (radiator style) clamps on
them now as well....
California Fields wrote:
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>JY, whether you have OEM clamps or twist-ties or whatever on the BPV hoses
>makes no difference. Don't let Audi make that as an excuse. As long as the
>hose is clamped down on the tube, no pressure is escaping. Tell them you took
>out your BPVs once to inspect them...and you put them back with a different
>clamp. That's not illegal!
>Carter Fields, San Francisco
>2001.5, GIAC-X, Miltek 3" cat-back, Strat. shifter, Strat. DVs, A-pillar boost
>>From: j y
>>Subject: [BiturboS4] S4 Blown Turbos - Update - Audi's Preliminary Diagnosis
>>Date: Thu, 17 Apr 2003 00:18:32 -0700 (PDT)
>>To The List,
>>Well, I made that visit to my local Audi dealer today
>>and I must admit, it was like going to the doctor to
>>get a flu shot. You don't want that BIG needle headed
>>your way - cause u know it's gonna hurt.
>>To make a long story short - the official Audi
>>diagnosis is blown impellers (spelling?) - both
>>They have no clue as to how this could happen and want
>>to break down the engine. They speculate that
>>something got into the intake system but cannot figure
>>out how it could have gotten by the intercoolers and
>>damage both impellers. The siren (like a police car)
>>sound that I hear are the distorted impellers
>>according to the Audi tech.
>>I inquired whether this impeller damage could have
>>been as a result of excessive heat causing warpage and
>>breaking off of the impeller blade(s) on the turbos?
>>He would not say yes/or no. His answer was the same
>>"need to break down the engine and investigate."
>>Since there have been documented problems with the oil
>>inlets on Y2K and early 2001 S4s - I figured that
>>excessive heat damage due to inadequate oil flow was a
>>Anyway, "the 'ballpark' estimate to replace two turbos
>>with direct replacements + labor will about $6500"
>>according to the Service Mgr.
>>Again, the Service Mgr said "Audi's policy is to go
>>50/50 with customers out of warranty as goodwill." He
>>said "that Audi's rationale behind this is a
>>pro-rating based on a 100k mi expected engine life."
>>Thus, I have 52k mi on my S4 - so Audi considers my
>>engine to be 50% depreciated based on a 100k mi
>>I understand this but I still have a personal problem
>>if the damaged impellers are a result of excessive
>>heat or manufacturer's defect.
>>I left my S4 at the dealer and said "that I would
>>think about Audi's 50/50 offer." I will be asking for
>>something in writing from the dealership confirming
>>this 50/50 proposition.
>>On another note, I replaced the Stratmosphere DVs with
>>the OEM Bosch DVs before going to the dealer. Well,
>>they noticed that the DVs had been swapped out -
>>beause the OEM clamps on the Bosch DVs cannot be
>>gotten in the aftermkt and I didn't keep the orginal
>>So, no OEM clamps on the Bosch DVs leaves one open for
>>questioning at the dealer. Regardless, this little
>>incident did not change their proposal to me.
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