Audi S4 Questions Maintenance & Repair
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I get a strange noise on start-up, usually noticeable when the engine is fairly warm, but sometimes from cold. Someone suggested it may be "low end rumble" but just wanted to get some more info.
Again...just got 2007 S4 Cabby...love it...However, on highway I get this turbo like whine...when I drop out of gear it is still there, so it isn't the dirve train...Could it be the Michelin tires? Or...
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