MECHATRONIC, Removing And Installing: Removing

WARNING: This page is about a different car, the 2012 Audi Q5, 2011 Audi Q5, 2010 Audi Q5, and 2009 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Clean working conditions for the automatic transmission, refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .

General repair instructions, refer to GENERAL REPAIR INFORMATION .

Always replace the Mechatronic unit if it is dirty or defective.

-- Connect the battery, refer to BATTERY, REMOVING AND INSTALLING .

-- Remove the ATF oil pan, refer to OIL PAN, REMOVING AND INSTALLING .

-- Remove the ATF strainer, refer to OIL SCREEN, REMOVING AND INSTALLING .

CAUTION:

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.

-- Touch the vehicle ground with a bare hand to discharge the static electricity.

NOTE:

To remove the Mechatronic, the wiring harness -B- with the connector -C- must first be disconnected from it. The wiring harness connector remains installed in the transmission housing.

Fig 1: Identifying Mechatronic Wire Harness

Courtesy of AUDI OF AMERICA, LLC

NOTE:

The following description shows the Mechatronic removed. The wiring harness connector is still installed in the transmission housing.

Fig 2: Locating Wiring Harness With Connector Is Attached To Mechatronics Unit

Courtesy of AUDI OF AMERICA, LLC

-- Remove the wiring harness -A- from the Mechatronic -B-. Disengage the tab -arrow-, on the back of the wiring harness, from the Mechatronic.

NOTE:

If the tab -arrow- on the backside of the wiring harness breaks off, the wiring harness must be replaced.

-- Disconnect the connector -C- from the socket -D- on the Mechatronic.

-- Carefully lay the wiring harness aside.

NOTE:

The wiring harness is connected to the installed connector and cannot be removed.

-- Remove Mechatronic bolts in reverse order. This means first bolt -14-, then -13-, ••• through -1-.

Fig 3: Identifying Mechatronic Bolt Tightening Sequence

Courtesy of AUDI OF AMERICA, LLC

NOTE:

Only the indicated bolts -14 through 1- may be loosened.

If other bolts are loosened, this may affect the function of the Mechatronic unit or it may come apart.

-- Remove the Mechatronic from the transmission.