Engine, Removing

WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2018 Audi S8, 2018 Audi A8 Quattro, 2017 Audi S8, 2017 Audi A8 Quattro, and 2016 Audi S8. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Engine Bung Set:VAS6122
Scissor Lift Table:VAS6131B with Scissor Lift Table - Audi Set:VAS6131/10 , Scissor Lift Table - A8 Set :VAS6131/11 and Scissor Lift Table - Q7 Set :VAS6131/13
Shop Crane - Drip Tray:VAS6208
Hose Clip Pliers:VAS6340
Hose Clip Pliers:VAS6362
Used Oil Collection and Extraction Unit:SMN372500
Wrench - 21mm:T40263
Commercially available Step Ladder
Protective Eyewear
Safety Gloves

Procedure

NOTE:

The engine is removed downward together with the transmission and subframe.

During installation, the cable ties must be installed at the same location.

All bolts on suspension components with bonded rubber bushings must be tightened in curb weight position (no load).

Bonded rubber bushings have a limited range of rotation. Axle components with bonded rubber bushings must be brought into the position they will be in when driving before they are tightened (curb weight position). Otherwise, the bonded rubber bushing will have tension, which will reduce the service life.

Measure dimension -a- from the center of the wheel to the lower edge of the wheel housing before beginning work, for example, using a tape measure.

Fig 1: Dimension From Center Of Wheel To Lower Edge Of Wheel Housing

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The measurement must be performed in curb weight position (unloaded condition).

Note the measurement. This number will be needed when tightening the bolts/nuts.

WARNING:

Risk of vehicle tipping over with engine removed.

The luggage compartment must be empty to secure the vehicle.

NOTE:

To be able to turn the drive axle to remove it, shift the transmission to "N" and release the electro-mechanical parking brake before disconnecting the battery.

-- Position the front wheels so they are straight.

CAUTION:

Risk of destroying the electronic components.

Follow the steps for disconnecting the battery.

-- Switch off the ignition.

-- Disconnect the ground cable from the battery terminal. Refer to Battery, Disconnecting and Connecting .

-- Discharge the refrigerant circuit. Refer to A/C System with Refrigerant R134a.

Vehicles through MY 2013:

Fig 2: Identifying Upper Reservoir To Body

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-- Extract the power steering fluid from the reservoir -2- using the :SMN372500 .

Continuation for All Vehicles:

-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .

WARNING:

Fire hazard and risk of damage due to a missing engine cover.

The engine cover must be always be installed before the hood is closed.
The engine may not be started and the vehicle may not be driven with the hood closed without an engine cover.

Vehicles with the Engine Codes CEUA/CTGA/CTGF:

-- Remove the lock carrier cover. Refer to LOCK CARRIER .

Vehicles with the Engine Codes CGTA/CTFA/DDTA:

-- Remove the front bumper cover. Refer to BUMPER COVER, REMOVING AND INSTALLING .

Continuation for All Vehicles:

WARNING:

The cooling system is under pressure when the engine is warm. Risk of scalding due to hot steam and hot coolant.

Scalding the skin and other parts of the body is possible.

Wear safety gloves.
Wear protective eyewear.
Reduce the pressure by covering the coolant expansion tank cap with a cloth and carefully opening it.

-- Open the coolant reservoir cap -arrow-.

Fig 3: Engine At Operating Temperature

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-- Completely remove the left and right front wheel housing liners. Refer to WHEEL HOUSING LINER .

-- Remove the noise insulation. Refer to Noise Insulation, Removing and Installing .

-- Remove the left and right front underbody trim panels. Refer to Underbody Trim Panels, Removing and Installing .

-- Remove the left and right lower longitudinal members. Refer to Lock Carrier, Removing and Installing .

-- Remove the driveshaft. Refer to DRIVESHAFT ATTACHED ON TRANSMISSION SIDE .

NOTE:

Collect escaping coolant in a clean container for disposal.

Fig 4: Identifying Retaining Clamp -2-

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-- Place the :VAS6208 under the engine.

-- Disconnect the coolant hose from the radiator, to do this, lift the clips -2-.

NOTE:

Ignore -1-.

Vehicles through MY 2013:

Fig 5: Identifying Coolant Hose From Left Lower Coolant Pipe Clamp (Through MY 2013)

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-- Loosen the clamp -1- and remove the coolant hose from the left lower coolant pipe.

NOTE:

Ignore -2-.

Vehicles from MY 2014:

Fig 6: Identifying Coolant Hose From Left Lower Coolant Pipe Clamp (From MY 2014)

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-- Loosen the clamp -arrow- and remove the coolant hose from the left lower coolant pipe.

Continuation for All Vehicles:

Fig 7: Identifying Nut & Bolts

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WARNING:

The fuel system is under pressure.

Risk of injury from fuel spraying out.

Wear protective eyewear.
Wear safety gloves.
Reduce the pressure: place clean cloths around the connection point and carefully open the connection point.

-- Place a clean cloth around the connection location and loosen the union nuts -arrows- and reduce the fuel pressure at the same time counterhold on the hex fitting of the corresponding connection.

NOTE:

Do not change the shape of the high pressure pipe.

-- Fold down the protective boot -1- and disconnect the fuel line.

Fig 8: Disconnecting Fuel Line

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-- First push the hose coupling -2- downward in direction of -arrow A-, then press the release buttons in direction of -arrow B-.

-- Remove the hose coupling with the release buttons pressed.

-- Loosen the hose clamp -3- to remove the EVAP canister hose.

Vehicles with the Engine Codes CEUA/CTGA/CTGF:

Fig 9: Air Guide Pipe And Clamps

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-- Loosen the hose clamps -arrows- to remove the air duct pipe.

Vehicles with the Engine Codes CGTA/CTFA/DDTA:

Fig 10: Air Guide Pipe And Clamps

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-- Loosen the hose clamps -arrows- to remove the left and right air duct pipe.

Continuation for All Vehicles:

Fig 11: Identifying Secondary Air Hose And Air Filter Housing

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-- Remove the left and right upper longitudinal members. Refer to LOCK CARRIER .

-- Press the release buttons on both sides to remove the air duct hose -1-.

-- Press down the left and right locking mechanism -arrow A- and slide it toward the rear -arrow B-.

-- Remove the air filter housing -2- upward.

Vehicles with the Engine Codes CGTA/CTFA/DDTA:

-- Repeat the procedure on the other side of the vehicle.

Continuation for All Vehicles:

-- Remove the plenum chamber cover. Refer to BULKHEAD .

-- Remove the bolts -arrows- and remove the engine compartment E-box cover -1-.

Fig 12: Identifying Engine Compartment E-Box Cover Bolts

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-- Disconnect the connectors -1, 2 and 3- and free up the wires.

Fig 13: E-Box Connectors

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-- Release the retainers in direction of -arrows- and remove the relay panel with the fuse panel -4-.

-- Release the retainer -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.

-- Release the cover -2- and pivot it to the side in direction of -arrow-.

Fig 14: Identifying Cover

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-- Remove the nut -4- and free up the positive cable.

-- Remove the nut -3- and remove the positive cable -1-.

-- Release the tabs -1 and 3- and pivot the positive terminal -2- out of the mount.

Fig 15: Identifying Positive Terminal

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-- Open the clamp -arrow- to remove the coolant hose.

Fig 16: Removing Coolant Hose Opening Clamp

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-- Remove the coolant hoses by loosening the hose clamps -1 and 2-.

Fig 17: Identifying Clamp

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-- Open the clip -1- and disconnect the upper right coolant hose from the radiator.

Fig 18: Identifying Retaining Clip

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NOTE:

Ignore -2-.

-- Remove the vacuum hose -1- from the vacuum reservoir -2-.

Fig 19: Identifying Vacuum Reservoir And Bolts

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NOTE:

Ignore -3-.

-- Press the release buttons -3- to remove the secondary air injection hose.

Fig 20: Identifying Secondary Air Injection Hose, Clamps And Connector

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-- Disconnect the connector -2-.

-- Free up the secondary air injection hose -1- and press it downward.

NOTE:

Ignore the -arrows-.

-- Remove the coolant hoses by loosening the hose clamps -1, 2 and 3-.

Fig 21: Locating Hose Clamps

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-- Loosen the clamp -arrow- to remove the vacuum hose.

Fig 22: Identifying Vacuum Hose Clamp

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-- Remove the tower brace. Refer to SUSPENSION STRUT AND UPPER CONTROL ARM .

-- Open the clips in direction of -arrows-, remove the Engine Control Module -J623- -2- and lay it on the engine.

Fig 23: Component Location Engine Control Module -J623-

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NOTE:

Ignore -1, 3, and 4-.

Vehicles with Parking Heater:

Fig 24: Identifying Bolt

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-- Remove the bolt -arrow- from the bracket.

Continuation for All Vehicles:

Fig 25: Identifying Battery Cables And Bolts

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-- Remove the bolt -4- for the battery positive cable -3- and the bolt -2- for the ground cable -1- and free up the wires.

Vehicles with the Engine Codes CGTA/CTFA/DDTA:

Fig 26: Identifying Left Radiator Air Guide

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-- Unclip the left and right air ducts -1-.

NOTE:

Ignore -2-.

-- Free up the wiring harness -arrows-.

Fig 27: Identifying Bolts And Connecting Brace

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-- Remove the bolts -1 and 2- and then remove the connecting brace.

-- Remove the bolts -arrows- and the air guide -2-.

Fig 28: Removing Engine Oil Cooler

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-- Remove the bolt -1-, remove the right engine oil cooler and tie it up to the engine.

Vehicles through MY 2013:

Fig 29: Identifying Hydraulic Hose And Clamp

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-- Place the :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:VAS6122 .

NOTE:

Place a cloth underneath to catch the draining hydraulic fluid.

Fig 30: Identifying Clamps

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-- Loosen the hose clamps -arrow- to free up and disconnect the hydraulic hoses.

-- Seal the open lines and connections with clean plugs from the :VAS6122 .

-- Remove the bolts -1 and 2-.

Fig 31: Identifying Bolts

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Vehicles from MY 2014:

Fig 32: Identifying Ground Cable, Bolt Connector And Nut

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-- Remove the bolt -1- and free up the ground cable on the left longitudinal member.

-- Remove the nut -3- and disconnect the connector -2-.

Continuation for All Vehicles:

Fig 33: Component Location Engine Coolant Temperature Sensor on Radiator

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-- Disconnect the connector -3-.

-- Open the clamp -1- and remove the coolant hose.

NOTE:

Ignore -2-.

Vehicles with the Engine Codes CEUA/CTGA/CTGF:

Fig 34: Identifying Air Guide Clips

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-- Unclip the air duct -2- in the lower area and press it slightly to the right side.

NOTE:

Ignore -1-.

-- Place the :VAS6208 underneath.

Fig 35: Identifying Clamp

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-- Loosen the hose clamp -arrow- and remove the coolant hose.

Continuation for All Vehicles:

Fig 36: Remove Bolts -1 and 2-

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CAUTION:

Risk of damaging the refrigerant lines and hoses.

Do not bend, twist or stretch the refrigerant lines and hoses.

-- Remove the bolts -1 and 2- and remove the refrigerant lines from the A/C compressor.

-- Seal the open lines and connections with clean plugs from the :VAS6122 .

-- Disconnect the connector -arrow- on the left and right from the Left Front Level Control System Sensor -G78- / Right Front Level Control System Sensor -G289- and free up the wires.

Fig 37: Identifying Left And Right Connector

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-- Disconnect the connector -arrow- from the Left and Right Front ABS Wheel Speed Sensors -G45- / -G47-.

Fig 38: Identifying Speed Sensor Connector

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-- Remove the brake caliper and secure it with the brake hose still attached inside the wheel housing with wire. Refer to WHEEL HOUSING LINER .

CAUTION:

Risk of damaging the brake pistons.

Do not operate the brake pedal when the brake caliper is removed.

-- Remove the nut -2- and the bolt -1-.

Fig 39: Disconnecting Upper Control Arm From Wheel Bearing Housing

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-- 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-.

Fig 40: Identifying Left And Right Stabilizer Bar Bolt

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-- Remove the left and right nuts -3-.

NOTE:

The bolt -2- will be removed later.

-- Remove the left and right bolts -3-.

Fig 41: Identifying Left And Right Bolt And Transmission Mount Brace

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NOTE:

Ignore -1 and 2-.

If the Engine and Transmission Should Then Be Separated:

Fig 42: Identifying Transmission Mount Valve Connectors

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-- Only version 2 connectors: disconnect the connectors and free up the wires.

Transmission Mount Valve 1 -N262-
Transmission Mount Valve 2 -N263-

-- Remove the subframe crossbrace. Refer to Subframe Crossbrace, Removing and Installing .

CAUTION:

There is a risk of damaging the suspension components.

If the subframe mount, steering gear or subframe crossbrace are not installed correctly, do not rest the vehicle on its wheels.

NOTE:

Place a cloth underneath to catch any leaking coolant.

Fig 43: Clamp And Coolant Hose

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-- Loosen the hose clamp -3- and remove the coolant hose.

-- Free up the wiring harness on the ATF cooler.

-- Remove the bolts -arrows- and tie up the ATF cooler -1- to the side with the hose/line assembly -2- still connected.

Vehicles through MY 2013:

Fig 44: Engine Speed Sensor -G28-

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-- Disconnect the connector -2- from the Engine Speed Sensor -G28-.

-- Free up the wiring harness on the transmission.

NOTE:

Ignore -1-.

Continuation for All Vehicles:

Fig 45: Identifying Transmission Lower Cover

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-- Remove the lower cover -1- from the transmission in direction of -arrow-.

-- Position the :T40272 onto the :T40263 .

Fig 46: Identifying Crankshaft Turning Tool T40272

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-- Attach the crankshaft turning tool to the bolts on the vibration damper.

The semi-round countersink -arrow A- on the :T40272 must face the semi-round countersink -arrow B- on the vibration damper.

NOTE:

Ignore the notch on the :T40272 .

-- Counterhold the crankshaft to loosen the torque converter bolts using the :T40272 and the :T40263 .

NOTE:

When turning the crankshaft, only turn it in the direction of engine rotation -arrow-.

-- Remove the six torque converter bolts -arrow- by turning the crankshaft 60° further in the direction of engine rotation.

Fig 47: Identifying Clutch Module First Bolt Installation Location

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If the Engine and Transmission should NOT be Separated:

Fig 48: Identifying Crossbrace Nut And Bolts

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-- Remove the bolts -1 and 6-.

Continuation of Engine Removal:

-- Remove the steering intermediate shaft from the steering gear and the push the splines together. Refer to Steering Intermediate Shaft, Removing and Installing .

-- Remove the nuts -1- and the bolts -2- and then remove the left front muffler.

Fig 49: Identifying Left Front Muffler Nuts And Bolts

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-- Remove the nuts -4- and the bolts -3- and then remove the right front muffler.

-- Release the retainers in direction of -A arrows- and slide the sleeve -1- on the emergency release cable in the direction of the -arrow B-.

Fig 50: Identifying Emergency Release Cable

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-- Disengage the rear section of the emergency release cable from the front section of the emergency release cable in direction of -arrow C-.

-- Remove the connector -2- from the bracket and disconnect it.

Fig 51: Removing Connector From Bracket

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NOTE:

Ignore -1-.

Scissor Lift Table, Preparing:

Fig 52: Scissor Lift Chart

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-- Equip the :VAS6131B with the :VAS6131/10 and :VAS6131/11 , and :VAS6131/13 as follows:

Table Coordinates	Components from the :VAS6131/10 , :VAS6131/11 and :VAS6131/13
B4	/13-4	/10-4	/10-5	/13-1
G4	/13-4	/10-4	/10-5	/13-1
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
B14	/10-1	/10-4	/10-5	/10-7
G14	/10-1	/10-4	/10-5	/11-1

-- Secure the mounting elements to the scissor lift table by hand.

-- Position the :VAS6131B so it is level.

Note the bubble level (sight glass) on support platform.

-- Guide the :VAS6131B under the engine/transmission subassembly.

Fig 53: Identifying Subframe Bolts

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WARNING:

The subframe could cause an accident if it is not secured.

Do not loosen the subframe bolts -2 and 3- yet.

-- Remove the left and right subframe bolt -1-.

-- Attach mounting elements from the :VAS6131/10 and :VAS6131/13 at the left and right on the front of the subframe as shown.

Fig 54: Attach At Left And Right Front Of Subframe

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-- Make sure the threaded spindles are completely screwed in.

-- Attach the mounting elements from the :VAS6131/10 at the left and right rear on the subframe crossbrace front connecting points as shown.

Fig 55: Attach At Left And Right Front Of Subframe

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-- Attach the mounting elements from the :VAS6131/13 to the bottom of the wheel bearing housing on the left and right sides as shown.

Fig 56: Attach At Lower Left And Right Of Wheel Bearing Housing

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-- Attach the mounting elements from the :VAS6131/10 and :VAS6131/11 to the tunnel crossmember on the left and right sides at the rear as shown.

Fig 57: Attaching Mounting Elements (4 Of 4)

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-- Rotate all of the mounting element spindles upward until all the mounting pins come in contact with the mounting points.

-- Tighten the mounting element base plates to 20 Nm on the :VAS6131B .

-- Mark the installation position of the subframe and tunnel crossmember to the longitudinal members using a felt-tip pen.

Fig 58: Identifying Subframe Bolts

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-- Remove the left and right subframe bolts -2 and 3- in stages.

-- Remove the tunnel crossmember bolts -arrows-.

Fig 59: Identifying Crossmember & Bolts

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-- Remove the left and right bolts -2-.

Fig 60: Identifying Left And Right Stabilizer Bar Bolt

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CAUTION:

Risk of damaging the hose and line connections as well as the engine compartment.

Make sure all the hose and line connections between the engine, transmission, subframe and body have been disconnected.
Carefully guide the engine/transmission assembly with the subframe out of engine compartment when lowering.

-- Lower the engine/transmission assembly using the :VAS6131B .

-- Remove the :VAS6131B with the engine/transmission assembly under the vehicle.