A8 Quattro Sedan V8-4.2L (BGK) (2006)
Differential Fluid - A/T: Service and Repair
Separate or Combined Oil Systems, Differentiation
Separate or Combined Oil Systems, Differentiation
Transmission with combined oil system:
‹› The oil spaces in the front final drive and transfer case are combined together via the return line - 2 -, supply line - 4 - and protective pipe - 5 -.
‹› The side shaft runs in gear oil in the protective pipe.
‹› An additional transmission oil cooler - 1 - for the transfer case - 3 - and front final drive - 6 - is attached to the transmission.
Transmission with separated oil system:
‹› These do not have return and supply lines and transmission oil cooler
‹› The protective pipe is free of oil, the transfer case and the front final drive as sealed with a shaft seal to side shaft.