A8L Quattro Sedan W12-6.0L (BSB) (2005)
Valve Body: Service and Repair
09EA Transmission
Mechatronic Unit
‹› Always replace the Mechatronic unit if it is dirty or faulty.
‹› Automatic transmission clean working conditions, refer to => [ Clean Working Conditions ] See: Service Precautions/Clean Working Conditions.
‹› General repair instructions, refer to => [ General Repair Information ] See: Service Precautions/General Repair Information.
Removing
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Turn off the ignition and remove the key.
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Remove the ATF pan. Refer to => [ Oil Pan ] See: Fluid Pan/Service and Repair/Oil Pan.
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Remove the oil screen. Refer to => [ Oil Screen ] See: Fluid Pan/Service and Repair/Oil Screen.
There is a risk of destroying the transmission control module (Mechatronic) with static discharge.
‹› Always discharge static by touching a grounded object, for example, vehicle ground, before touching or removing the Mechatronic
unit.
‹› Never touch contacts in 16-pin connector, as the static charge could destroy the control module and thus the Mechatronic unit.
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Touch the vehicle ground with a bare hand to discharge the static electricity.
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Rotate electrical connection - arrow - counter-clockwise and remove.
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Disconnect the clip for the wiring harness connector - A -.