Audi recommends change at 38K miles but the DL501 gearbox has a history of problems and the car is 3 years old so I decided to change it early. Everything looks good apart from the TAN. I had a good look on the web to find an expected TAN for the virgin oil (Audi/VW G052-529-A2) but failed, however it seems that ATF oil should start with a TAN of less than 1? If so can anyone suggest that my TAN is as expected or not?
Code:
Iron 23
Chromium 0
Aluminium 1
Molybdenum 0
Copper 3
Lead 0
Tin 1
Nickel 0
Silicon 14
Sodium 9
Boron 30
Vanadium 0
Calcium 58
Phosphorus 372
Zinc 15
Magnesium 2
Barium 0
Viscosity @ 40°C 34.7 cSt
Water Content 0.0 %wt
Fuel Dilution 0 %
PQ Index 19 %
Total Acid Number 2.34 mgKOH/g
Code:
Iron 23
Chromium 0
Aluminium 1
Molybdenum 0
Copper 3
Lead 0
Tin 1
Nickel 0
Silicon 14
Sodium 9
Boron 30
Vanadium 0
Calcium 58
Phosphorus 372
Zinc 15
Magnesium 2
Barium 0
Viscosity @ 40°C 34.7 cSt
Water Content 0.0 %wt
Fuel Dilution 0 %
PQ Index 19 %
Total Acid Number 2.34 mgKOH/g