BMW X6 M (E71) Technical Problem # 270112 Date: 120401
Drivetrain - Oil Leak From Transfer Case
SI B27 01 12
Intermediate and Special Transmission
April 2012
Technical Service
SUBJECT
Oil Leak from Transfer Case
MODEL
E70 (X5)
E71 (X6)
F25 (X3)
SITUATION
Oil is leaking from the transmission area, or oil seepage is noticed from the transmission/transfer case area during a service.
CAUSE
The leak can be misdiagnosed as a transmission fluid leak from either the mechatronics sleeve or transmission oil pan. The leak is actually coming
from the transfer case (input or output shaft seal).
PROCEDURE
Before attempting to perform any repairs, check the fluid level in both the transmission and transfer case.
If the level is low in the transfer case, repair as necessary.
For transfer case repairs, only use the defect codes related to VTG (Construction Group 27) when submitting claims for eligible and covered repairs.
Drivetrain - Oil Leak From Transfer Case
SI B27 01 12
Intermediate and Special Transmission
April 2012
Technical Service
SUBJECT
Oil Leak from Transfer Case
MODEL
E70 (X5)
E71 (X6)
F25 (X3)
SITUATION
Oil is leaking from the transmission area, or oil seepage is noticed from the transmission/transfer case area during a service.
CAUSE
The leak can be misdiagnosed as a transmission fluid leak from either the mechatronics sleeve or transmission oil pan. The leak is actually coming
from the transfer case (input or output shaft seal).
PROCEDURE
Before attempting to perform any repairs, check the fluid level in both the transmission and transfer case.
If the level is low in the transfer case, repair as necessary.
For transfer case repairs, only use the defect codes related to VTG (Construction Group 27) when submitting claims for eligible and covered repairs.
