Transmission, Removing, TFSI Engine, AUDI Q8, AUDI Q7, From Product Improvement
Special tools and workshop equipment required
Support:T90003 -1- Preparing:
-- The bracket -arrow- must be turned so that the longer side faces upward, as shown.
Removing
-- Position the front wheels so they are in the straight-ahead position.
-- Disconnect the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .
-- Remove the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING (3.0L) , AIR FILTER HOUSING, REMOVING AND INSTALLING (4.0L) .
-- Remove the noise insulations. Refer to OVERVIEW - NOISE INSULATION .
-- Remove the subframe crossbrace. Refer to SUBFRAME CROSSBRACE, REMOVING AND INSTALLING .
-- Remove the steering intermediate shaft from the steering gear and then push the splines together. Refer to STEERING INTERMEDIATE SHAFT, REMOVING AND INSTALLING .
-- Remove the front exhaust pipe with the bracket. Refer to the appropriate Service Information .
-- Remove the transmission mount. Refer to TRANSMISSION MOUNT, REMOVING AND INSTALLING (3.0L) , TRANSMISSION MOUNT, REMOVING AND INSTALLING (4.0L) .
-- Remove the subframe shield. Refer to SUBFRAME SHIELD, REMOVING AND INSTALLING .
Vehicles with Active Suspension
-- Remove the stabilizer bar. Refer to STABILIZER BAR, REMOVING AND INSTALLING .
Vehicles Without Active Suspension
-- Remove the nuts -arrows- and remove the stabilizer bar.
-- Remove the bolts -1 and 2-.
There is a risk of damaging the boots by handling incorrectly.
Do not touch the steering gear on the boot.
-- Push the steering gear slightly to the side in direction of -arrow A- and remove it upward in direction of -arrow B-.
-- Secure the steering gear with cable tie on the subframe and do not remove it completely.
Risk of damaging the steering gear.
Do not hang the steering gear on the wires.
Continuation for All Vehicles
-- Remove the driveshaft. Refer to DRIVESHAFT, REMOVING AND INSTALLING .
-- Remove the bolts -arrows- and remove the heat shield from the right drive axle.
-- Remove the bolts -arrows- and the left drive axle heat shield.
-- Remove the left and right input shaft from the transmission. Refer to the appropriate Service Information .
-- Remove the ATF cooler. Refer to ATF COOLER, REMOVING AND INSTALLING .
-- Release and disconnect the right connector on the transmission -1-.
-- Free up the wiring harness -2- -arrows-.
There is a risk of destroying the transmission control module (Mechatronic) with static discharge.
- Always "discharge" the static electricity before working with connectors. Do this by touching a grounded object, for example vehicle ground, the heater or the hoist.
- Do not touch connector terminals in the transmission connector with hands.
-- Unclip, release and disconnect the connectors -1-.
-- Unclip the wiring harness -2- -arrows- and free up.
-- Turn the twist lock counter-clockwise -arrow- and release the front connector -1- from the transmission.
-- Remove the bolts -arrows-, then tie the Transmission Coolant Valve -N488- -1- together with the bracket -2- to the side.
-- Remove the right coolant pipe from the transmission. Refer to COOLANT PIPES, REMOVING AND INSTALLING (3.0L) , COOLANT PIPES, REMOVING AND INSTALLING (4.0L) .
Vehicles with Pump for Transmission Fluid Cooling -V478- Over the Transmission to the Right.
-- Remove the heat shield for the Pump for Transmission Fluid Cooling -V478-. Refer to ELECTRIC COOLANT PUMP, REMOVING AND INSTALLING (3.0L) , ELECTRIC COOLANT PUMP, REMOVING AND INSTALLING (4.0L) .
Continuation for All Vehicles
-- Remove the particulate filter on vehicles with particulate filter. Refer to PARTICULATE FILTER, REMOVING AND INSTALLING (3.0L) , PARTICULATE FILTER, REMOVING AND INSTALLING (4.0L) .
-- Remove the catalytic converter on vehicles without particulate filter. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING (3.0L) , CATALYTIC CONVERTER, REMOVING AND INSTALLING (4.0L) .
-- Release the retainers in direction of -arrows A- and slide the sleeve -1- on the emergency release cable in the direction of -arrow B-.
-- Disengage the rear emergency release cable from the front emergency release cable in direction of -arrow C-.
-- Remove the lower cover -1- from the transmission in direction of -arrow-.
-- Counterhold the crankshaft to loosen the torque converter bolts.
Turn the crankshaft only in the direction of engine rotation.
-- Remove the six bolts -arrow- for the torque converter from the drive plate -1-. To do so turn the crankshaft respectively a 60° additional turn in the direction of engine rotation.
-- Remove the engine/transmission connecting bolts -2 to 11-.
Ignore -item A-.
Risk of leaks in the transmission fluid pan.
- The Support:T90003 must not be set on the ATF pan.
-- Position the Support: T90003 -2- on the Engine and Gearbox Jack:VAS6931 -1- with the mounting blocks under the transmission -4- and on the tunnel crossmember -5-.
- Mount the front bracket on the left transmission side behind the opening for the torque converter on the transmission housing.
-- Secure the transmission with the tensioning strap -3- on the Support:T90003 .
-- Remove the bolts from the tunnel crossmember -arrows-.
-- Remove the last bolt connecting the starter to the transmission at the same time separate the transmission in steps from the engine.
-- Lower the transmission carefully using the Engine and Gearbox Jack:VAS6931 .