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Home >> Audi >> 2025 >> S4 Premium >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Controls, Housing (7-Speed Dual Clutch Transmission 0CK, 0CJ, 0DP, 0DN) >> 34 Controls, Housing >> MECHATRONIC >> MECHATRONIC, Removing And Installing >> Removing

MECHATRONIC, Removing And Installing: Removing

-- Remove the transmission fluid pan. Refer to Transmission Fluid Pan, Removing and Installing  .

CAUTION:

Risk of destroying due to electrostatic charge.

- Do not touch the connector terminals.

- Touch a grounded object (for example the hoist) and discharge any static electricity.

-- Disconnect the connector -1- of the Transmission Control Module -J217-. To do this, press the locking mechanism -B- and pull the locking bracket -2- in the -direction of the arrow A-.

GWWA34-11231Courtesy of AUDI OF AMERICA, LLC

-- Remove the protective cap -arrow-.

GWWA34-11335Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector using the Assembly Tool :T40305  .

GWWA34-11746Courtesy of AUDI OF AMERICA, LLC

-- Loosen the bolts a half turn in the sequence -1- through -7-.

Fig 1: Mechatronic Bolts Loosening Sequence
GWWA35-10542Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -2- and -5- and install the Oil Sump Assembly Pin : T40199  .

-- Remove the remaining bolts -1-, -3-, -4-, -6-, -7-.

-- Remove the Mechatronic.

Tip

The Mechatronic fits partially inside the transmission. If the Mechatronic must be removed, then a second technician will be needed to keep it from falling. Alternatively, the bolts -1- and -2- can be installed slightly to hold the Mechatronic in place.

-- Only set the Mechatronic down on a clean surface with the bolt head side facing downward.

GWWA34-000226Courtesy of AUDI OF AMERICA, LLC

-- Seal off the ATF channels with Covers : T40322A  -A-.