...and an interesting quote from the ZF document TE-ML_11 reference ATFs and the issue "maintenance free" issue .
"ZF 5-, 6-, 8- and 9-speed as well as the ZF 4HP20 automatic transmissions are filled maintenance-free with specially developed partially synthetic ATF oils. Maintenance-free fills are intended for normal operating conditions. Especially driving at very high operating temperatures can result in accelerated aging or increased wear of ATF oils. In case of above-average operating conditions, such as:
- frequent freeway driving in the upper speed range
- offensive, sporty driving style
- frequent trailer operation
it is recommended to refresh (change) the oil of the automatic transmission every 100,000 km or no later than after 8 years.
In each case, only released ATF oil may be used for oil changes. And oil changes must be performed in accordance with therelevant specifications."
__________________
2002 D2 S8 – Ming Blue, Valcona leather, Vavona wood insert, solar sunroof (to be fitted), Heated rear seats, extended leather pack, 18” Avus, ski hatch, Bose, auto dim rear view mirror, rear blind.
|