Audi A6 C6 CVT Transmission Fluid Replacement

Описание: Regarding Audi A4 and A5, the CVT (Continuously Variable Transmission) is commercially known as Multitronic.
​An important distinction: Audi used CVT exclusively for front-wheel-drive (FWD) models. If the car is a Quattro (all-wheel drive), it will never have a CVT; instead, it would use a Tiptronic (torque converter) or S-tronic (dual-clutch/DSG).
​Here are the models that use the same or very similar CVT technology:
​Audi Models with Multitronic
​Since this technology was co-developed by LuK and Audi specifically for their longitudinal engine layout, it is primarily found within the Audi brand:
• ​Audi A4: From generations B6 and B7 to B8 (roughly from 2001 to 2015).
• ​Audi A5: All front-wheel-drive versions (Coupe, Sportback, Cabriolet) produced between 2007 and 2015.
• ​Audi A6: Generations C5, C6, and C7 (FWD versions). In the A6, the gearbox was often reinforced to handle the higher torque of the 2.7 and 3.0 TDI engines.
• ​Audi A8: Found in some rare front-wheel-drive configurations (mainly in older generations like the D3).
​Is it used by other brands?
​The short answer is no, not directly. While CVT transmissions are common among Japanese manufacturers (Toyota, Nissan, Honda, Subaru), they use different designs (usually involving a push-belt).
​Audi's Multitronic is unique because it uses a specialized tension chain (pull-chain), which allows it to handle significantly higher torque compared to the belt-driven CVTs used by other brands at the time.
​Reliability Note
​If you are considering a purchase:
• ​Early versions (pre-2008): Had a reputation for being problematic (electronic control unit failures and mechanical wear).
• ​Later versions (post-2010): Found in the A4 B8 and A5, these were significantly improved.
• ​Maintenance: Changing the specialized CVT oil every 60,000 km (approx. 37,000 miles) is absolutely critical for its lifespan.
​How to identify it?
• ​Check the Drivetrain: If the car is FWD and automatic, it is almost certainly a Multitronic.
• ​Driving feel: It feels like a "motorboat" or "trolley"—the RPMs stay steady at one point while the speed increases smoothly without any gear-shift interruptions.

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