Rear Final Drive Identification

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The 0BC rear final drive unit is used with the following transmissions:

6-Speed Manual Transmission 0B2 AWD
6-Speed Manual Transmission 0B4 AWD
7-Speed DSG Transmission 0B5 AWD
6-Speed Automatic Transmission 0B6 AWD
8-Speed Automatic Transmission 0BK AWD
8 speed automatic transmission 0BW AWD (only Q5 hybrid)

Allocation Rear Final Drive

Audi A5 Coupe from MY 2008 TRANSMISSION ALLOCATIONS, RATIOS AND CAPACITIES

Location on Rear Final Drive

Fig 1: Final Drive 0AR, Identification And Date Of Construction Location

Courtesy of AUDI OF AMERICA, LLC

Final Drive 0BC -arrow 1- and 0AR

Engine code and build date -arrow 2-

Final Drive 0BC -arrow- and 0AR

Fig 2: Identifying Final Drive 0AR & Identification And Date Of Construction

Courtesy of AUDI OF AMERICA, LLC

NOTE:

"0AR" can always be found on the rear final drive housing. Changes to the housings is what differentiate the "0BC" and "0AR" final drives.

They can also be distinguished by the location of the threaded holes -arrows- for securing the crossmember on the rear final drive.

Fig 3: Locating Final Drive Threaded Holes

Courtesy of AUDI OF AMERICA, LLC

The final drive "0BC" has 4 threaded holes -arrows- in the housing for securing the crossmember There is also an additional threaded hole for securing the final drive to the subframe under the flange/driveshaft.

Rear Final Drive Code Letters and Build Date

Fig 4: Identifying Rear Final Drive Code Letters And Build Date

Courtesy of AUDI OF AMERICA, LLC

Example:	JKS	15	03	07
	I	I	I	I
	Code letters	Day	Month	Production year -2007-

Additional data can be ignored.

NOTE:

When installing a new rear final drive unit, the final drive code, the PR number and the vehicle engine code must be verified. This is the only way to assure the correct allocation.