Engine, Removing
Special Tools And Workshop Equipment Required
- Step ladder such as Step Ladder VAS 5085
- Engine Bung Set VAS 6122
- Scissor Lift Table VAS 6131B with Scissor Lift Table - Audi Set VAS 6131/10, Scissor Lift Table - A8 Set VAS 6131/11 and Scissor Lift Table - Q7 Set VAS 6131/13
- Shop Crane - Drip Tray VAS 6208
- Hose Clip Pliers VAS 6340
- Hose Clip Pliers VAS 6362
- Engine and Gearbox Jack VAS 6931
- Used Oil Collection and Extraction Unit SMN372500
- Counterhold - Kit - Multiple Use T10172A with Counterhold - Kit - Multiple Use Adapter 1T10172A/1
- Engine/Gearbox Jack - Gearbox Support T10337
Engine/Gearbox Jack - Gearbox Support T10337 Preliminary Work:
-- Remove the rubber protector -1- from the Engine/Gearbox Jack - Gearbox Support T10337.
-- If this does not work, drill a 10.2 mm hole in the center -arrow-.
-- Cut an M12 thread in the hole.
Procedure
With lock carrier installed, engine is removed downward together with the transmission and the subframe.
During installation, cable ties must be installed at the same location.
Risk of vehicle tipping over with engine removed.
- Secure vehicle. Luggage compartment must be empty for this.
There is a risk of injury because the fuel is under very high pressure.
- The fuel pressure must be reduced to residual pressure before opening the high pressure area of the fuel injection system, refer to RELEASING PRESSURE IN HIGH PRESSURE AREA .
- To reduce remaining residual pressure, place a clean cloth around the connector and carefully loosen connector.
To be able to turn the driveshaft to remove it, shift the transmission to "N" and release the electromechanical parking brake before disconnecting the battery.
-- Position the front wheels so they are straight.
Danger of causing damage to electronic components.
- Complete the steps for disconnecting the battery.
-- Turn off the ignition and remove the key.
-- Disconnect the battery Ground (GND) cable -2-, refer to BATTERY, DISCONNECTING AND CONNECTING .
Vehicles through MY 2013:
-- Extract the power steering oil from the reservoir with the Used Oil Collection and Extraction Unit SMN372500.
All Vehicles:
-- Remove the engine cover -arrows-.
-- Remove the lock carrier cover -2-, refer to LOCK CARRIER COVER, REMOVING AND INSTALLING .
Risk of scalding due to hot steam and hot coolant.
- The coolant system is under pressure when the engine is warm.
- Cover the coolant reservoir cap with a cloth and then open it slowly to release the pressure.
-- Remove the cap -arrow- from the coolant reservoir.
-- Remove the front left and right wheel housing liners completely, refer to FRONT WHEEL HOUSING LINER, REMOVING AND INSTALLING .
-- Remove the noise insulations -1 and 2-, refer to NOISE INSULATION, REMOVING AND INSTALLING .
-- Remove the left and right front underbody panels -2-, refer to UNDERBODY TRIM PANELS, REMOVING AND INSTALLING .
-- Remove the left and right lower longitudinal member, refer to LOCK CARRIER, REMOVING AND INSTALLING .
-- Remove the driveshaft, refer to REMOVAL AND INSTALLATION or REMOVAL AND INSTALLATION .
-- Place the Shop Crane - Drip Tray VAS 6208 under engine.
-- Loosen the clamp -arrow-, remove the coolant hose from the left lower coolant pipe and let the coolant drain out.
-- Loosen the hose clamp -arrow-, remove the coolant hose from the oil cooler and drain the coolant.
-- Remove the bolt -arrow- and the bracket -1-.
-- Loosen the clamps -arrows- and remove the hoses.
-- Free up the vacuum pipe -1- and move it to the left side.
Risk of injury from fuel.
- To reduce fuel pressure, lay cloths around connecting point before opening fuel system and carefully loosen.
Danger of defects caused by dirt.
- Follow the guidelines for cleanliness when working on the fuel supply system, refer to CLEAN WORKING CONDITIONS .
-- Fold down the boot -1- and disconnect the fuel line.
-- First push the hose coupling -2- downward -arrow A-, then press the release buttons -arrow B-.
-- Remove the hose coupling with the release buttons pressed.
-- Loosen the clamp -3- and remove the Evaporative Emission (EVAP) canister hose.
-- Remove the left and right upper longitudinal member -2-, refer to OVERVIEW - LOCK CARRIER .
-- Loosen the clamps -arrows- and remove the air guide pipe.
Ignore item -1-.
-- Disconnect the connector -3- from the Mass Airflow Sensor -G70-.
-- Disconnect the air guide hose -4- and remove the right filter housing upward.
-- If equipped, remove vacuum hose -2- and free up -arrow-
-- Release the catches to remove the change-over valve -1- from the air filter housing, if equipped.
-- Remove the plenum chamber cover -2-, refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .
-- Release the cover -2- and swivel it to the side -arrow-.
-- Remove the nut -4- and free up the positive cable.
-- Remove the nut -3- and remove the positive cable -1-.
-- Open the tabs -1 and 3- and swivel the positive terminal -2- out of the mount.
-- Remove the bolts -arrows- and the engine compartment E-box cover -1-.
-- Disconnect the connectors -1, 2 and 3- and free up the wires.
-- Release the retainers -arrows- and remove the relay carrier with the fuse panel -4-.
-- Open the release -5- and remove the condenser -6-.
-- Disengage and free up the engine wiring harness on the engine compartment E-box and then lay it on the engine.
-- Disconnect the connector -arrow- from the right cylinder head and free up the electric wire.
-- Lift the clamp -arrow- and remove the right rear coolant hose from the engine.
-- Disconnect the right, upper coolant hose from the radiator, to do this, lift the retaining clip -1-.
Ignore item -2-.
-- Loosen the clamps -arrows- and remove the coolant hoses from the thermostat housing.
-- Loosen the clamps -arrows- and remove the left air guide pipe.
-- Remove the connector -1- (if required) from the bracket.
-- Remove the nuts -arrows- and the bracket with the connectors from the plenum chamber bulkhead.
-- Open the retainers -arrows- and remove Engine Control Module 2 -J624- -1-. Then free up the electric wiring harness.
-- Release the retainers -arrows- and free up the left and right wiring harness on the plenum chamber bulkhead.
-- Disconnect the connectors -1- from the bracket.
Vehicles from MY 2014:
-- Free up the coolant hose -2-.
Ignore item -1-.
All Vehicles:
-- Remove the tower brace, refer to TOWER BRACE, REMOVING AND INSTALLING .
-- Open the clamps -arrows-, remove the Engine Control Module -J623- -2- and lay it on the engine.
Ignore items -1, 3 and 4-.
-- Remove the bolt -4- for the battery positive cable -3- and the bolt -2- for the GND cable -1- and free up the cables.
Vehicles with Parking Heater:
-- Remove the bolt -arrow- from the mount.
All Vehicles:
-- If equipped, disconnect the connector -1- for the Right Electrohydraulic Engine Mount Solenoid Valve -N145- and free up the wire.
Ignore item -2-.
Vehicles without Auxiliary Heater:
-- Loosen the clamp -arrow- and remove the coolant hose from the right longitudinal member.
Vehicles with Parking Heater:
-- Remove the coolant hoses, to do this, loosen the hose clamps -arrows-.
All Vehicles:
-- Pivot the tensioner clockwise -arrow- to release the tension on the ribbed belt.
-- Remove the ribbed belt from the tensioning element and release the tension on the tensioning element.
A vehicle through MY 2013 is illustrated.
Vehicles through MY 2013:
-- Place the Used Oil Collection and Extraction Unit SMN372500 under the separating point.
-- Loosen the clamp -arrow- and remove the hydraulic hose.
-- Seal the open lines and connections with clean plugs from the Engine Bung Set VAS 6122.
-- Loosen the bolts -arrows- on the power steering pump ribbed belt pulley. Counterhold the pulley using the Counterhold - Kit - Multiple Use T10172A with the Counterhold - Kit - Multiple Use Adapter 1T10172A/1.
-- Vehicles without dynamic steering: remove the bolts -1 and 2-, remove the hydraulic line and set aside.
-- Vehicles without dynamic steering: disconnect the connector -2-.
-- Remove the threaded connection -1- and bolt -3-, pull out the hydraulic pipe and move it to the side.
-- Seal the open lines and connections with clean plugs from the Engine Bung Set VAS 6122.
-- Remove the bolts -arrows- and the power steering pump -1-.
-- Free up the wiring harness -2-.
-- Remove the bolts -arrows-.
It is necessary to lift the vehicle slightly in order to remove the bolt -right lower arrow-.
Ignore item -1-.
-- Install the Scissor Lift Table - Audi Set - Mounting Pin VAS 6131/10-2 in the Engine/Gearbox Jack - Gearbox Support T10337.
-- Attach the Engine and Gearbox Jack VAS 6931 to the engine (as illustrated) and lift the engine just enough until it is possible to remove the bolt.
-- Remove the power steering pump bracket.
Push the bushing -1- to the left with a screwdriver -arrow- if the power steering pump bracket does not come off.
Place a cloth underneath to catch the draining hydraulic fluid.
-- Loosen the clamp -arrow- and remove the hydraulic hose.
-- Seal the open lines and connections with clean plugs from the Engine Bung Set VAS 6122.
All Vehicles:
-- Disconnect the left and right connector -arrow- from the Left Front Level Control System Sensor -G78- /Right Front Level Control System Sensor -G289- and free up the wire.
-- Disconnect the left and right connector -arrow- from the Right Front ABS Wheel Speed Sensor -G45- /Left Front ABS Wheel Speed Sensor -G47-.
-- Remove the brake caliper and with the brake hose still connected, inside the wheel housing using wire, refer to BRAKE CALIPER, REMOVING AND INSTALLING .
Risk of damaging brake pistons.
- Do not operate brake pedal with brake caliper removed.
-- Remove the nut -2- and the bolt -1-.
-- Remove the upper control arm upward from the wheel bearing housing -arrows-.
-- Repeat the procedure on the other side of the vehicle.
-- Remove the left and right stabilizer bar bolt -1-.
-- Remove the left and right nuts -3-.
The bolt -2- will be removed later.
-- Remove the left and right bolt -3- from the transmission mount brace.
Ignore items -1 and 2-.
If the Engine and Transmission are Going to be Separated:
-- Only version 2 connector: disconnect the connector and free up the wire.
- Transmission Mount Valve 1 -N262-
- Transmission Mount Valve 2 -N263-
-- Remove the subframe crossbrace, refer to SUBFRAME CROSSBRACE, REMOVING AND INSTALLING .
The suspension components could be damaged.
- Do not rest the vehicle on its wheels if the subframe mount, the steering gear or the subframe crossbrace are not installed correctly.
Use a cloth to catch any leaking coolant.
-- Loosen the clamp -3- and remove the coolant hose.
-- Free up the wiring harness on the ATF cooler.
-- Remove the bolts -arrows- and then tie up the ATF cooler -1- to the side with the hose/line assembly -2- still connected.
-- Disconnect the connector -2- from the Engine Speed Sensor -G28-.
-- Free up the wiring harness on the transmission.
Ignore item -1-.
-- Remove the lower cover -1- from the transmission -arrow-.
-- Counterhold the crankshaft with the Counterhold - Kit - Multiple Use T10172A with Counterhold - Kit - Multiple Use Adapter 1T10172A/1 to loosen the torque converter bolts.
When mounting, turn the crankshaft only in the direction of engine rotation -arrow-.
-- Remove the six torque converter bolts -arrow- while turning the crankshaft 60° further in the direction of engine rotation.
If the Engine and Transmission are NOT Going to be Separated:
-- Remove the bolts -1 and 6-.
Engine Removal Continuation:
-- Remove the steering intermediate shaft from the steering gear push them upward, refer to STEERING INTERMEDIATE SHAFT, REMOVING AND INSTALLING .
A vehicle through MY 2013 is illustrated.
-- Release the retainers -arrows A- and pull the sleeve -1- on the emergency release cable in direction of -arrow B-.
-- Disengage the rear section of the emergency release cable from the front section of the emergency release cable -arrow C-.
-- Remove the connector -1- (if equipped) from the bracket and disconnect.
-- Remove the fuel injectors connector -2- to the steering gear and disconnect it.
Prepare Scissor Lift Platform:
-- Equip the Scissor Lift Table VAS 6131B with the Scissor Lift Table - Audi Set VAS 6131/10 and Scissor Lift Table - A8 Set VAS 6131/11, and Scissor Lift Table - Q7 Set VAS 6131/13 as follows:
| Platform Coordinates | Components from the Scissor Lift Table - Audi Set VAS 6131/10, Scissor Lift Table - A8 Set VAS 6131/11 and Scissor Lift Table - Q7 Set VAS 6131/13 | |||
|---|---|---|---|---|
| B4 | /13-4 | /10-4 | /10-5 | /10-10 |
| G4 | /13-4 | /10-4 | /10-5 | /10-13 |
| B6 | /10-1 | /10-2 | /10-5 | /10-11 |
| G6 | /10-1 | /10-2 | /10-5 | /10-11 |
| A8+C8 | /13-6 | |
/13-2 | |
| F8+H8 | /13-5 | /13-2 | ||
| D14 | /10-1 | /10-3 | /10-5 | /11-1 |
| G14 | /10-1 | /10-4 | /10-5 | /11-1 |
-- First manually secure the mounting elements to the scissor lift table.
-- Position the Scissor Lift Table VAS 6131B horizontally.
- Note bubble level (sight glass) on support platform.
-- Guide the Scissor Lift Table VAS 6131B under the engine/transmission subassembly.
-- Attach mounting elements from Scissor Lift Table - Audi Set VAS 6131/10 and Scissor Lift Table - Q7 Set VAS 6131/13 on the left of the subframe, as shown in illustration.
-- Attach mounting elements from Scissor Lift Table - Audi Set VAS 6131/10 and Scissor Lift Table - Q7 Set VAS 6131/13 at right of subframe as shown in illustration.
-- Attach the mounting elements from the Scissor Lift Table - Audi Set VAS 6131/10 at the left and right rear on the subframe crossbrace front connecting points as shown in the illustration.
-- Position mounting elements from the Scissor Lift Table - Q7 Set VAS 6131/13 at the lower left and right on the wheel bearing housing as shown in the illustration.
-- Attach mounting elements from the Scissor Lift Table - Audi Set VAS 6131/10 and Scissor Lift Table - A8 Set VAS 6131/11 at the left and right rear of the tunnel crossmember, as shown in the illustration.
-- Rotate the mounting element spindles upward until all the mounting pins come into contact with the mounting points.
-- Attach mounting element base plates to Scissor Lift Table VAS 6131B and tighten to 20 Nm.
-- Mark the location of the subframe and engine carrier to the longitudinal members using a felt-tip pen.
-- Remove the left and right bolts -1, 2 and 3- from the subframe in steps.
-- Remove the bolts from the tunnel crossmember -arrows-.
Risk of damaging hose and wiring connections as well as engine compartment.
- Make sure all the hoses and lines between the engine, transmission, subframe and body have been disconnected.
- Carefully guide the engine/transmission sub-assembly with subframe out of engine compartment while lowering.
-- Next lower engine/transmission subassembly with Scissor Lift Table VAS 6131A only by dimension -a-.
- Dimension -a- = 100 mm maximum.
Refrigerant can cause serious personal injury.
- Do not open the air conditioning refrigerant circuit.
-- Remove the connector -1- from the bracket and disconnect it.
Risk of damaging refrigerant lines and hoses.
- Do not stretch, kink or bend refrigerant lines and hoses.
-- Remove the bolts -arrows-. Then remove the Air Conditioning (A/C) compressor from the bracket and tie it up on the left side.
-- Lower the engine/transmission subassembly more.
-- Remove the Scissor Lift Table VAS 6131B with engine/transmission assembly from under the vehicle.