MECHATRONIC, Removing And Installing, Transmission Generation 2: Installing

Fig 1: Identifying New O-Rings Installed Into Grooves

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• Always replace the Mechatronic if it is dirty or faulty.
• When installing use the complete repair kit.

-- Install new O-rings -1 and 3- into the grooves in the oil pipes.

-- Install the ATF line -2- into the Mechatronic.

-- Check the oil pipes for damage and make sure they fit securely inside the Mechatronic.

-- If still not present, install the four :T40199  hand-tight, as shown.

Fig 2: Identifying Four T40199 Installed

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• The :T40199  prevent the Mechatronic from tilting when it is being installed. Also, the oil pipes on the back of the Mechatronic will not get damaged.
• The spring clip on the back of the Mechatronic prevents the Mechatronic from being mounted flush on the transmission housing.
• It is recommended to have a second technician help when installing the Mechatronic.

• Secure the lever -3- for the parking lock in the vertical position with a cable tie -arrow-.

  Courtesy of AUDI

-- Mount the Mechatronic on the transmission housing.

Fig 3: Identifying Claw And Selector Slider

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• The claw -2- on the emergency release must fit behind the pin in the selector slider -1- in direction of -arrow-.

-- Install the bolts -1 through 4- by hand until the bolt heads make contact.

Fig 4: Mechatronic Without Auxiliary Hydraulic Pump

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-- Remove the four :T40199  .

-- Tighten the bolts on the Mechatronic in the specified tightening sequence. Refer to OVERVIEW - MECHATRONIC .

-- If equipped, install the auxiliary hydraulic pump. Refer to TRANSMISSION FLUID AUXILIARY HYDRAULIC PUMP, REMOVING AND INSTALLING .

-- If equipped, install the hydraulic pulse memory. Refer to HYDRAULIC PULSE MEMORY WITH Accumulator Solenoid -N485-, REMOVING AND INSTALLING .

Further installation is performed in reverse order of removal. Note the following:

-- Install the new connector housing -2- with the tab downward and then turn it in the opposite direction of -arrow-.

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-- Make sure the connector locks and is secure.

-- Tighten the bolt -1-.

-- Remove the cable tie -arrow-.

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-- Install the transmission fluid pan. Refer to the appropriate Service Information. .

-- Fill with ATF. Refer to the appropriate Service Information. .

-- Connections and routing. Refer to the appropriate Wiring Diagram.