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Home >> Audi >> 2013 >> A4 Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Rear Final Drive 0BC, 0BD, 0BE & 0BF - General & Technical Data (Sedan)) >> 00 General, Technical Data >> Identification >> Final Drive Identification >> Final Drive Identification, 0BC

Final Drive Identification, 0BC

WARNING: This page is about a different variant/trim than selected.

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

Rear Final Drive Allocation

Layout on Rear Final Drive

Fig 1: Final Drive 0AR, Identification And Date Of Construction Location
GWWA00-10121Courtesy of AUDI OF AMERICA, LLC

Final drive 0BC -arrow 1- and 0AR

Engine code and production date -arrow 2-

Final Drive 0BC -arrow- and 0AR

Fig 2: Final Drive 0AR & Identification And Date Of Construction
GWWA00-10122Courtesy of AUDI OF AMERICA, LLC
NOTE:

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

Another characteristic is the location of the threaded holes -arrows- for securing the crossmember on the rear final drive.

Fig 3: Locating Final Drive Threaded Holes
GWWA00-10302Courtesy of AUDI OF AMERICA, LLC

The final drive "0BC" has four threaded holes -arrows- for the crossmember mounting in the final drive housing. 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
GWWA00-10301Courtesy of AUDI OF AMERICA, LLC
Example: JKS 15 03 07
  I I I I
  Codes 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 to assure the correct allocation.