Audi Multitronic CVT (01J/0AN) · VW / Audi / Porsche · Expert rebuild service since 1987. Lifetime warranty. Free diagnostic.
2000–2009 Audi A4 (1.8T/3.0 FWD), 2000–2010 Audi A6 (2.4/2.8 FWD), 2001–2006 Audi A4 Avant FWD, 2003–2010 Audi A6 Avant FWD
| Configuration | CVT — continuously variable ratio (chain-type, not belt) |
|---|---|
| Gear Ratios | Ratio range approximately 2.40:1 (low) to 0.40:1 (high) |
| Fluid Type | VW/Audi G 052 180 A2 (Multitronic-specific ATF) |
| Fluid Capacity | 6.5 qts total, 3.0 qts service refill |
The Multitronic uses a link chain rather than a push-belt. The chain stretches with use, causing slip and eventually catastrophic failure. This is the primary Multitronic failure mode.
Symptoms: Slip under acceleration, chain whine, DTC P0776 or P0868, ratio hunting
The Multitronic mechatronic unit fails from degraded G 052 180 A2 fluid, causing limp mode and erratic ratio control.
Symptoms: Limp mode, DTC P0562 or mechatronic fault code, stuck ratio
Neglected Multitronic-specific fluid causes chain fragment contamination that scores pulley surfaces, making replacement mandatory.
Symptoms: Chain noise, vibration, ratio not varying smoothly
Multitronic rebuild replaces the chain set, both pulley assemblies if scored, mechatronic unit, and all seals. G 052 180 A2 fluid (Multitronic-specific) is used throughout. Specialized chain-tension tooling required.
Audi G 052 180 A2 Multitronic-specific ATF every 40,000 miles — NOT the same as DSG or standard ATF. The Multitronic is sensitive to fluid condition; chain failure accelerates rapidly with neglected fluid.
The Multitronic is Audi's proprietary CVT using a metal link chain instead of a push-belt. It was used in FWD A4 and A6 models from 2000–2010.
It has a mixed reputation — chain wear and mechatronic failure are common. Regular G 052 180 A2 fluid service every 40,000 miles is essential.
A full rebuild ranges $2,600–$3,400 at Chicago Transmission due to the specialized chain-type CVT architecture.
VW/Audi G 052 180 A2 — this is specific to the Multitronic and is NOT interchangeable with DSG fluid, standard ATF, or other VW/Audi specifications.
2000–2010 in FWD versions of the A4 and A6. Quattro AWD models used conventional automatics or S-Tronic dual-clutch units.
Free diagnostic, written estimate, lifetime warranty. Chicago's Multitronic (CVT) rebuild specialists since 1987.
