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My 2016 2ss vert just had the a8 serviced for the shudder. Notes from the tech say the condition has improved, not resolved. In retrospect, it looks like they are still doing the old fix until the new one is released.
WHILE MONITOR SCAN TOOL DATA DURING TEST DRIVE, FOUND THE TC SLIP SPEED WOULD SUDDENLY INCREMENT AS CONDITION OCCURRED, INDICATING A LIKELY SHUDDER OF THE TORQUE CONVERTER. FOUND BULLETIN #16-NA-175 REGARDING TORQUE CONVERTER SHUDDER. USED PERISCOPE TO CONFIRM ISSUE LIES WITH TORQUE CONVERTER. FOLLOWED INSTRUCTIONS OUTLINED IN BULLETIN AND REMOVED TRANSMISSION PAN, DRAINED AND CLEANED OUT THE TRANSMISSION COOLER LINES, AND REASSEMBLED VEHICLE. FILLED TRANSMISSION FLUID TO SPECIFICATION AND TEST DROVE. CONDITION HAS IMPROVED. RECOMMEND TO CUSTOMER TO DRIVE 200 MILES AND RE-EVALUATE CONCERN.
PARTS 9 1935565 FLUID 8.80
9 1935565 FLUID 8.80
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