DL501 Transmission parts, repair guidelines, problems, manuals

Transmission general data

The rear-driven model of 7-speed DSG7 with "wet" clutch - DL501 has been installed on Audi Q5-Q7, A4 Allroad, A5 Cabriolet, A6-A7 since 2008. This gearbox is also named as OB5. It operates with engines up to V8 4.0l (diesel) and transmits the torque up to 550 Nm at maximum speed.

Number of gearsTransmission TypeDriveTorque (Nm)ATF (full capacity) LATF (change) LATF type
7DCTFWD/AWD5507,56,7G 052 529 A2

Technical issues and repair guidelines

VAG DL501 (0B5) gearbox is structurally divided into two compartments - "mechanical" where the hypoid oil is used for mechanical gearboxes, and an "automatic" part with double clutch frictions and the valve body, where "intelligent" oil is used specially for DL501 - G 052 529 A2.

Typical problems

Chips from the drum harm both the filter and components of the gearbox, and the electrics. All gearboxes including 7-speed DL501 have issues with Mechatronics.The gearbox operation with metal chips in oil leads to rapid wear-out of solenoids. As far as the hardware of this gearbox is concerned, the main component to be replaced is the whole clutch drum.

Which cars run with this gearbox?