Differential Assembly: Application and ID

Rear Final Drive Identification

• The Haldex clutch is installed in the final drive.

• The final drive and Haldex clutch have separate oil circuits.

• The final drive "02D" and "0AV" are equipped with the Generation II Haldex-Clutch.

• The Haldex-clutch Generation IV is already installed for the "0BR","0BS" and "0BY".

Rear final drives 02D, 0AV, 0BR and 0BY are installed in Audi A3 and Audi TT in the following transmissions:

• 6-speed manual transmission 02Q, AWD

• 6-speed manual transmission 0A6, AWD

• 6-Speed Direct Shift Automatic Transmission 02E AWD

• 7-speed DSG transmission 0BH, S-Tronic

The rear final drive 0BS is only installed in the Audi Q3 transmissions:

Allocation Rear Final Drive:

• Audi A3 => [ Code Letters, Assembly Allocation, Ratios and Capacities ] Code Letters, Assembly Allocation, Ratios and Capacities

• Audi TT from MY 2077 => [ Code Letters, Assembly Allocation, Ratios and Capacities ] Code Letters, Assembly Allocation, Ratios and Capacities

Rear Final Drive - 02D -






• The ID - arrow - on the bottom side of the final drive identifies which final drive is installed.

• Example: "rear final drive 02D"

Example of the Identifications on an Rear Final Drive "02D"






- Arrow A - Final drive part number

- Arrow B - Final drive code letters

- Arrow C - Final drive build date

• If there are no codes - arrow B - present, then use the part number - arrow A - for the allocation. Refer to the Electronic Parts Catalog (ETKA)

Example:






Additional data depend on the manufacturing.

Example of the Identification on an "0AV" Rear Final Drive






- Arrow A - Final Drive Part Number

- Arrow B - Final Drive Code Letters

• If there are no code letters present, then use the part number for the allocation. Refer to the Electronic Parts Catalog (ETKA).

- Arrow C - Final Drive Build Date

Example:






Additional data depend on the manufacturing.

Rear Final Drive"0BR" or "0BY"






• The ID - arrow - on the bottom side of the final drive identifies which final drive is installed.

• The meaning of all other identifications is on the bottom of the final drive.

Rear Final Drive "0BS"






• The ID - arrow - on the bottom side of the final drive identifies which final drive is installed.

• The meaning of all other identifications is on the bottom of the final drive.