Quote:
Originally Posted by Clavurion
In these GM boxes original Texaco oil from factory is brown not red.
Why not change the whole oil content by flushing?
The main culprit on these boxes is torque converter lock up clutch wearing out. After the clutch material is worn out metal shavings will do the rest. For my E39 530d with the same GM box I renewed the torque converter as preventative maintenance after 300t km. Oil and filter changed by flushing every 120t km. Now 400t km on the clock with no problems.
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Good input, thank you. So from my reading and researching, flushing is almost always a kiss of death if the abused oil is keeping the clutches from slipping. I have read several of your posts as being very knowledgeable so I value your opinion. I have not seen in any of my reading the color of Dexron III being brown so this is good information to consider. I guess I could duplicate the test with clear brown, dark brown or black.
*Edit was that the Texaco ETL 8072B