Engine, Removing

WARNING: This page is about a different car, the 2016 Audi Q5, 2015 Audi Q5, and 2014 Audi Q5. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required

Pry Lever 80-200
Step Ladder VAS5085
Engine Bung Set VAS6122
Scissor Lift Table VAS6131B with Scissor Lift Table - Audi Set VAS6131/10 and Scissor Lift Table - Q7 Set VAS6131/13
Shop Crane - Drip Tray VAS6208
Hose Clip Pliers VAS6362
Hose Clip Pliers VAS6340
Used Oil Collection and Extraction Unit SMN372500
Locking Pin T10060A

Procedure

NOTE:

With lock carrier installed, engine is removed downward with transmission and subframe.

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

WARNING:

When working on the whole exhaust system:

Follow the safety precautions when working on the exhaust system, refer to EXHAUST SYSTEM SAFETY PRECAUTIONS .

WARNING:

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.

Reduce the fuel pressure down to residual pressure before opening high pressure area of the fuel injection system.

-- Position the front wheels so they are straight.

CAUTION:

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 -arrow-, refer to BATTERY, DISCONNECTING AND CONNECTING .

Fig 1: Identifying Battery Ground (GND)

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-- Discharge the refrigerant circuit, refer to REFRIGERANT CIRCUIT, DISCHARGING WITH SERVICE STATION .

-- Remove the lock carrier cover -3-, refer to LOCK CARRIER COVER, REMOVING AND INSTALLING .

Fig 2: Removing Expanding Clips

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-- Carefully pull the engine cover off the bolts one after the other -arrows-. Do not remove the engine cover on one side or in a jerking manner.

Fig 3: Removing Engine Cover

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WARNING:

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.

-- Open the coolant reservoir cap.

Fig 4: Identifying Coolant Reservoir Marking

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-- Remove the left and right front wheels.

-- Remove the left and right front wheel housing liner -1-, refer to WHEEL HOUSING LINER .

Fig 5: Identifying Front Wheel Housing Liner

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-- Remove the noise insulations -1 and 2-, refer to OVERVIEW - NOISE INSULATION .

Fig 6: Identifying Noise Insulation

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NOTE:

Collect escaping coolant in a clean container for disposal.

-- Place the Shop Crane - Drip Tray VAS6208 under engine.

-- Remove the drain plug -1-, drain the coolant.

Fig 7: Identifying Drain Plug

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-- Lift the clip -2- and disconnect the coolant hose from under the right of the radiator.

-- Loosen the clamp -arrow-, remove the coolant hose from the left front coolant pipe and let the coolant drain out.

Fig 8: Coolant Hose From The Left Front Coolant Pipe

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-- Disconnect the connector -1- from the Charge Air pressure Sensor -G31- /Intake Air Temperature Sensor -G42- and free up the wire.

Fig 9: Removing And Installing Charge Air Pressure Sensor -G31 - / Intake Air Temperature Sensor -G42-

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NOTE:

Ignore item -2-.

-- Remove the nut -arrow- on the right longitudinal member and free up the GND wires.

Fig 10: Disconnecting Ground Wires -Arrow- From Right Longitudinal Member

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-- Disconnect the coolant fan connectors -1 and 2- to do this, push the clamp to the rear -arrow- and push the release down.

Fig 11: Free Up Electrical Wiring Harness

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-- Free up the wiring harness.

-- Loosen the hose clamp from the air guide pipe -arrow-, remove the air duct hose and move it to the side.

Fig 12: Removing Air Guide Hose From Right Air Guide Pipe And Lay It Aside

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-- Remove the left and right bolt -1- and nut -3- and the lock carrier brace -2-.

Fig 13: Removing Bolt And Nut

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NOTE:

Follow the rules for clean working conditions when working on the transmission, refer to CLEAN WORKING CONDITIONS, GUIDELINES .

-- Place the Used Oil Collection and Extraction Unit SMN372500 under the separating points.

-- Disconnect the ATF-lines -arrow- from the right separating point on the Engine.

Fig 14: ATF Pipes Union Nuts

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-- Seal the open lines and connections with clean plugs from the Engine Bung Set VAS6122.

-- Remove the bolts -arrows-.

Fig 15: Identifying Air Duct Components

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-- Remove the air guide -1- and intermediate flange -2- from the air filter housing.

-- Disconnect the connector -1- from the Mass Airflow Sensor -G70-.

Fig 16: Identifying Mass Airflow Sensor

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-- Remove the air guide hose with Mass Air Flow Sensor -G70- by loosening hose clamp -2- and opening clips -arrows-.

-- Disconnect the vacuum line -1-.

Fig 17: Disconnect Vacuum Line

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-- Remove the air filter housing, disconnect and free up the cable from the backside of the connector -2- at the Air Filter Bypass Door Valve -N275-.

Fig 18: Identifying Fuel Hoses

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CAUTION:

There is a risk of contamination.

Follow the guidelines for cleanliness when working on the fuel supply system, refer to CLEAN WORKING CONDITIONS .

-- Loosen the clamps and remove the fuel hoses.

Blue fuel hose
White fuel hose
Yellow fuel hose

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

Fig 19: Identifying Clamp

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-- Loosen the clamp -3- and remove the air guide hose.

Fig 20: Connector At The Throttle Valve Control Module, Screw Clamp & Air Guide Hose

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NOTE:

Ignore items -1 and 2-.

CAUTION:

Risk of damaging refrigerant lines and hoses.

Do not stretch, kink or bend refrigerant lines and hoses.

-- Remove bolt -2-, remove the refrigerant line from the Air Conditioning (A/C) compressor and set aside.

Fig 21: Disconnect Connector For A/C Compressor Regulator Valve

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-- Seal the open lines and connections with clean plugs from the Engine Bung Set VAS6122.

NOTE:

Ignore items -1 and 3-.

-- Open the clamp -arrow- and disconnect the coolant hose.

Fig 22: Coolant Hose Clamp -Arrow-

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-- Disconnect the connector -1- and free up the wire.

Fig 23: NOx Sensor Control Module -J583- -2-

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-- Remove nut -arrow-, free up NOx Sensor Control Module -J583- -2- and set it on the engine.

-- Remove the bolt -1- and nut -2- and -arrow- and remove the tower brace with the bracket for the NOx sensor -G295-.

Fig 24: Identifying Strut Tower Brace, Bolts -1- And Nuts -2-

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-- Remove the plenum chamber cover -2-, refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .

Fig 25: Identifying Clips -1- & Remove Plenum Chamber Cover -2-

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-- Release the retainer -arrow A- and open the cover -arrow B-.

Fig 26: Opening Terminal Box Cover

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-- Remove the nuts -1 through 4- for the electrical wires.

Fig 27: Terminals Wire Junction 2 -TV22

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-- Remove the connector -5- from the bracket and disconnect it.

-- Remove the bolt -6- and the Terminal 30 Wire Junction 2 -TV22- from the tower brace -arrow-.

-- Disconnect the connector from the Brake Booster Pressure Sensor -G294- -arrow-.

Fig 28: Brake Booster Pressure Sensor -G294- Component Location

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-- Remove the foam piece -1-.

Fig 29: Removing Left And Right Foam Block

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NOTE:

Ignore item -2-.

-- Release the retainers from the wheel housing side using a 5.5 mm wrench -1- and remove the wiring bushing -2- upward.

Fig 30: Release Retainers From Wheel Housing Side Using A 5.5 Mm Open End Wrench And Remove Wiring Bushing Upward

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-- Free up the wiring harness -3- to the generator and starter using the Pry Lever 80-200.

-- Open the catch -arrow-, free up the wiring harness and open the wiring duct -1-.

Fig 31: Opening Wiring Duct

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-- Disconnect the coolant hose -1-.

Fig 32: Disconnect Vacuum Connection

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-- Disconnect the vacuum connection -2- from the plenum chamber bulkhead by remove the vacuum hose -3- on the back side -arrow-.

-- Remove refrigerant lines -A and C- from refrigerant line with Inner Heat Exchanger -B-, refer to REFRIGERANT LINE WITH INNER HEAT EXCHANGER , also see UNDERHOOD COMPONENTS .

Fig 33: Clean Refrigerant Lines In Area Of Quick-Release Coupling Connectors

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-- Remove the nut -3- and the bolt -2-.

Fig 34: Removing Filler Neck -1- With Filler Tube From Washer Fluid Reservoir & Opening In Body -Arrow-

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-- Remove the filler neck -1- with the filler tube from the washer fluid reservoir and the opening in the body -arrow-.

-- Remove the bolts -1, 2 and 4- and remove the E-box cover -3- in the engine compartment -arrow-.

Fig 35: Identifying E-Box Cover & Bolts

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-- Remove the nut -5- and free up the ground cable.

-- Release the retainers -A arrows- and remove the engine control module -arrow B-.

Fig 36: Release Retainers And Remove Engine Control Module

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-- If equipped disconnect the connector -2-.

Fig 37: Disconnect Electrical Connector If Applicable

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-- Disconnect the connectors -4- and the wire -3-.

-- Open the tabs -arrow- and Fuse Panel B -SB- -1-.

-- Disengage the engine wiring harness from the E-box and free it up.

-- Release the retainers -arrows A- and remove the wiring bushing -1- upward -arrow B-.

Fig 38: Release Retainers And Removing Wiring Bushing

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-- Remove the nut -2- and free up the Ground (GND) cable.

-- Lay the wiring harness on the engine and secure the Engine Control Module (ECM) so that it cannot fall.

-- Disconnect the electrical connectors -1- at the left and right on the front speed sensors -2-.

Fig 39: ABS/Electronic Stabilization Program Speed Sensor Assembly Overview

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-- If installed: disconnect the connector -1- from the Left Front Level Control System Sensor -G78- and from the Right Front Level Control System Sensor -G289- and free up the wires -arrow-.

Fig 40: Disconnect Electrical Connector On Left Front Level Control System Sensor

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-- Free up the connector -2- on the bracket by pulling the retainer back -arrow A- and turning the connector approximately 90° clockwise -arrow B-.

Fig 41: Free Up Electrical Connector

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-- Free up the electrical wiring -3- and brake line -4- on the bracket.

-- Remove the bolts -1- and secure the brake caliper, with the brake hose still connected, inside the wheel housing.

CAUTION:

Risk of damaging brake pistons.

Do not operate brake pedal with brake caliper removed.

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

Fig 42: Identifying Nut And Bolt

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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 bolts -1-.

Fig 43: Identifying Left And Right Stabilizer Bar Bolt

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

NOTE:

The bolts -2- will be removed later.

CAUTION:

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 were not installed correctly.
Do not support the vehicle on the subframe or the subframe crossbrace, for example, by a floor jack or similar device.

-- Remove the subframe crossbrace, refer to OVERVIEW - SUBFRAME, CROSSBRACE, STABILIZER BAR, COUPLING ROD AND SUBFRAME SHIELD .

Fig 44: Locating Power Steering Hydraulic Line

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NOTE:

Ignore item -1-.

-- Remove the left and right bolts -arrows- and the heat shield -1-.

Fig 45: Locating Left Bolts & Heat Shield

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-- Release the safety catch -arrow-, push the retainer down and disconnect the connector from -2- from the Power Steering Control Module -J500-.

Fig 46: Identifying Connector

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-- Free up the wiring harness.

NOTE:

Ignore item -1-.

-- Remove the steering intermediate shaft from the steering gear and push the splines together, refer to STEERING INTERMEDIATE SHAFT, REMOVING AND INSTALLING .

Fig 47: Locating Universal Joint Bolt

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-- Disconnect the connector -2-.

Fig 48: Reducing Agent Injector -N474-

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-- If the engine and transmission are to be separated, free up the wires.

-- Loosen the clamp -3- and remove the Reducing Agent Injector -N474-.

-- Free up the SRC-line and the crossmember and tie up the Reducing Agent Injector -N474- to the left side.

NOTE:

Ignore -item 1-.

Vehicles with Automatic Transmission:

Fig 49: Ball Socket And Securing Clips

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-- Remove the ball socket -1- on the selector lever cable from the selector shaft lever using the Pry Lever 80-200.

-- Press the securing clips -2- off and remove the selector lever cable from the transmission.

NOTE:

Do not bend or kink the selector lever cable.

All Vehicles:

Fig 50: Counterholding Driveshaft Using T10172 And T10172/5

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-- Remove the driveshaft, refer to DRIVESHAFT, REMOVING AND INSTALLING .

Prepare the Scissor Lift Table:

Fig 51: Identifying Scissor Lift Platform VAS6131

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-- Equip the Scissor Lift Table VAS6131B with the Scissor Lift Table - Audi Set VAS6131/10 and Scissor Lift Table - A8 Set VAS 6131/11, and Scissor Lift Table - Q7 Set VAS6131/13 as follows:

Platform Coordinates	Components from the Scissor Lift Table - Audi SetVAS6131/10, as well as the Scissor Lift Table - A8 Set VAS6131/11 and Scissor Lift Table - Q7 Set 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	/13-6	-	-	/13-2
C13	/10-1	/10-4	/10-5	/10-7
F13	/10-1	/10-4	/10-5	/11-1

-- Next fasten mounting elements to scissor lift table by hand.

-- Position the Scissor Lift Table VAS6131B horizontally.

Note bubble level (sight glass) on support platform.

-- Guide the Scissor Lift Table VAS6131B under the engine/transmission subassembly.

Fig 52: 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-.

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

-- Attach mounting elements from the Scissor Lift Table - Audi Set VAS6131/10 and Scissor Lift Table - Q7 Set VAS6131/13 at the left and right on the front of the subframe as shown in the illustration.

Fig 53: Attach At Left And Right Front Of Subframe

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-- Ensure threaded spindles are completely installed.

-- Attach the mounting elements from the Scissor Lift Table - Audi Set VAS6131/10 at the left and right rear on the subframe crossbrace front connecting points as shown in the illustration.

Fig 54: Attach At Left And Right Front Of Subframe

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-- Position mounting elements from the Scissor Lift Table - Q7 Set VAS6131/13 at the lower left and right on the wheel bearing housing as shown in the illustration.

Fig 55: Attach At Lower Left And Right Of Wheel Bearing Housing

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-- Attach mounting elements from the Scissor Lift Table - Audi Set VAS6131/10 and Scissor Lift Table - A8 Set VAS 6131/11 at the left and right rear of the tunnel crossmember, as shown in the illustration.

Fig 56: Attaching VAS 6131/10 And VAS 6131/11 At Left And Right Rear Of Tunnel Crossmember

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-- 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 VAS6131B and tighten to 20 Nm.

-- Mark the location of the subframe to the longitudinal members using a felt-tip pen.

Fig 57: Identifying Subframe Bolts

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

NOTE:

The bolts -1- have already been removed.

-- Remove the bolts from the tunnel crossmember -arrows-.

Fig 58: Identifying Crossmember & Bolts

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

Fig 59: Identifying Left And Right Stabilizer Bar Bolt

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NOTE:

The bolts -1- and nuts -3- have already been removed.

CAUTION:

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.

Vehicles with S tronic transmission:

Fig 60: Engine And Gearbox Jack VAS 6931

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-- Next lower engine/transmission subassembly with Scissor Lift Table - Q7 Set VAS6131A only by dimension -a-.

Dimension -a- = 100 mm maximum.

-- Remove the ball socket -2- on the selector lever cable from the selector shaft lever using the Pry Lever 80-200.

Fig 61: Identifying Selector Lever Cable

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-- Press the securing clips -1- off and remove the selector lever cable from the transmission.

NOTE:

Do not bend or kink the selector lever cable.

All Vehicles:

-- Lower the engine/transmission assembly.

-- Remove the Scissor Lift Table VAS6131B with engine/transmission assembly from under the vehicle.