Engine, Removing, Vehicles With Manual Transmission
With lock carrier installed, engine is removed downward together with the transmission and the subframe.
Collect escaping coolant in a clean container for disposal or reuse.
During installation, cable ties must be installed at the same location.
Special tools and workshop equipment required
- Pry Lever 80-200
- Used Oil Collection and Extraction Unit SMN372500
- 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
- Puller - Gear Shaft Linkage T40160
Procedure
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.
-- Reduce the fuel pressure in the high pressure area. Refer to PRESSURE, REDUCING IN HIGH PRESSURE AREA .
-- Position the front wheels so they are straight.
Release the electro-mechanical parking brake before disconnecting the battery so the driveshaft can be rotated to remove it.
Danger of causing damage to electronic components.
- Observe the steps for disconnecting the battery.
-- Switch the ignition off and remove the ignition key.
-- Disconnect the battery Ground (GND) cable -2-. Refer to BATTERY, DISCONNECTING AND CONNECTING .
-- Discharge the refrigerant circuit. Refer to USING SERVICE STATION , and REFRIGERANT CIRCUIT .
Vehicles with Hydraulic Power Steering
-- Extract the power steering fluid from the reservoir -4- with the Used Oil Collection and Extraction Unit SMN372500.
Ignore -1, 2 and 3-.
Continuation for All Vehicles
-- Remove the engine covers -1 and 2- upward.
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.
-- Remove the left and right front wheels.
-- Remove the left and right front wheel housing liners. Refer to WHEEL HOUSING LINER .
-- Remove the noise insulation -1 and 2-. Refer to NOISE INSULATION, REMOVING AND INSTALLING .
-- Place the Shop Crane - Drip Tray VAS6208 under engine.
-- Remove the drain plug -1- and drain the coolant.
-- Lift the clip -2- and disconnect the coolant hose from the radiator.
-- Remove the coolant hose from the engine oil cooler by loosening the hose clamp -arrow- and letting the coolant drain out.
The engine is not shown in the following illustrations.
Vehicles with Left Front Coolant Pipes, Version 1
-- Loosen the hose clamps -1 and 3-, remove the left front coolant hoses from the coolant pipes and drain any remaining coolant.
Ignore item -2-.
Vehicles with Left Front Coolant Pipes, Version 2
-- Loosen the clamps -arrows-, drain any remaining coolant and then remove the coolant hoses from the left front coolant pipes.
Ignore item -1-.
Continuation for All Vehicles
-- Disconnect the connector -3- from the Charge Air Cooling Pump -V188- and free it up.
Ignore items -1 and 2-.
Vehicles with Hydraulic Power Steering
-- Place the Used Oil Collection and Extraction Unit SMN372500 under the separating point.
-- Disconnect the power steering hydraulic oil supply line -2- and return line -1- in the left front wheel housing and free them up.
-- Seal the open lines and connections with clean plugs from the Engine Bung Set VAS6122.
Vehicles with Coolant Recirculation Pump -V50-, Version 1
-- Disconnect the connector -2-.
-- Place the Shop Crane - Drip Tray VAS6208 under engine.
-- Loosen the hose clamp -1- and remove the coolant hose from the Coolant Recirculation Pump -V50-.
Ignore items -3 and 4-.
Continuation for All Vehicles
-- Disconnect the coolant fan connectors -1 and 2-, to do this, push the clamp to the rear -arrow- and push the release down.
-- Free up the wiring harness.
Vehicles with Secondary Air Injection Pump Motor -V101-, Version 1
-- Disconnect the connector -3- on the Secondary Air Injection Pump Motor -V101-.
-- Press the release buttons and remove the secondary air hose -1-.
Ignore item -2-.
Vehicles with Secondary Air Injection Pump Motor -V101-, Version 2
-- Disconnect the connector -2- from the Secondary Air Injection Pump Motor -V101- and free up the wire.
-- Press the release buttons and remove the secondary air hose -1-.
Ignore item -3-.
Continuation for All Vehicles
-- Remove the left and right bolt -1- and nut -3- and the lock carrier brace -2-.
-- Remove the nut -arrow- on the right longitudinal member and free up the Ground (GND) wires.
-- Remove the seal from the plenum chamber bulkhead.
-- Remove the plenum chamber cover. Refer to PLENUM CHAMBER COVER, REMOVING AND INSTALLING .
-- Remove the air duct -arrows-.
-- Free up the fuel hose -1- and the Evaporative Emission (EVAP) canister hose -2- on the air duct pipe.
-- Remove the vacuum hose -3- from the air guide pipe connection.
-- Remove the air guide pipe by loosening the hose clamp -4- and opening the clips -arrows-.
-- Press the release buttons, remove the air filter housing and remove the secondary air hose -arrow-.
-- Disconnect the vacuum connection -2- from the plenum chamber bulkhead. Remove the vacuum hose -1- on the back.
-- Disconnect the connector -3- from the EVAP Canister Purge Regulator Valve 1 -N80- and disconnect the vacuum hose -4-.
-- Disengage the EVAP Canister Purge Regulator Valve 1 -N80- from the bracket and lay it aside with the hoses connected.
-- Disconnect the vacuum hose leading to the Leak Detection Pump -V144- -arrow-.
Vehicles with Version 1
Risk of injury from fuel.
- To reduce fuel pressure, lay cloths around connecting point before opening fuel system and carefully loosen.
There is a risk of contamination.
- Follow the guidelines for cleanliness when working on the fuel supply system. Refer to CLEAN WORKING CONDITIONS .
-- Remove the fuel supply line from the high pressure pump -arrow- and lay it aside.
-- Seal the open lines and connections with clean plugs from the Engine Bung Set VAS6122.
Vehicles without the Coolant Recirculation Pump -V50- :
-- Lift the clamp -arrow- and remove the coolant hose leading to the back of the heater core on the engine.
To provide a better illustration, component location is shown from behind with engine removed.
Vehicles with the Coolant Recirculation Pump -V50- :
-- Lift the clamp -arrow - and disconnect the coolant hose at the plenum chamber bulkhead.
Continuation for All Vehicles
-- Disconnect the vacuum hose -1- and free it up.
Ignore items -2 and 3-.
Vehicles with Version 2
Risk of injury from fuel.
- To reduce fuel pressure, lay cloths around connecting point before opening fuel system and carefully loosen.
There is a risk of contamination.
- Follow the guidelines for cleanliness when working on the fuel supply system. Refer to CLEAN WORKING CONDITIONS .
-- Press the release buttons and disconnect the fuel hose -1-.
-- Seal the open lines and connections with clean plugs from the Engine Bung Set VAS6122.
Ignore the -arrows-.
-- Lift the clamp -2- and remove the coolant hose leading to the heater core on the plenum chamber bulkhead.
Ignore item -1-.
Continuation for All Vehicles
-- Open the clamp and remove the right front coolant hose -arrow- from the front coolant pipe.
-- Loosen the clamp -arrow- and remove the coolant hose.
Ignore items -1 and 2-.
-- Open the clamp -arrow- and remove the coolant hose from the front coolant pipe
Vehicles with Hydraulic Power Steering
-- Remove the coolant hoses -1 and 2- from the coolant expansion tank.
-- Remove the bolts -arrows-, disconnect the connector from the Engine Coolant Level Warning Switch -F66- and remove the coolant expansion tank.
-- Disconnect the connector -arrow- from the power steering pump, if applicable.
-- Press the hydraulic hose down slightly.
Continuation for All Vehicles
Danger of causing damage to the refrigerant lines and hoses.
- Do not bend, twist or stretch the refrigerant lines and hoses.
-- Remove the bolts -arrows- and the refrigerant lines from the Air Conditioning (A/C) compressor.
-- Seal the open lines and connections with clean plugs from the Engine Bung Set VAS6122.
-- Release the retainer in direction of -arrow A- and open the cover in direction of -arrow B-.
-- Remove the nut -1- from the electric wires.
-- Remove the connector -2- from the bracket and disconnect it.
-- Remove the bolt -3- and the Terminal 30 Wire Junction 2 -TV22- from the tower brace -arrow-.
-- Release the retainers from the wheel housing side using a 5.5 mm wrench -1- and remove the wiring bushing -2- upward.
-- Free up the wiring harness -3- to the generator and starter using the Pry Lever 80-200.
-- Wiring duct version 1: unlock the retainer and free up the wiring duct in direction of -arrow B- and pull the duct forward in direction of -arrow A-.
-- Wiring duct version 2: unlock the retainer in direction of -arrow-, free up the wiring harness and open the wiring duct -1-.
-- Remove the nut -1- and tilt in direction of -arrow A- the washer fluid reservoir filler neck -2- upward slightly.
-- Remove the filler neck with the filler tube from the washer fluid reservoir and the opening in the body in direction of -arrow B-.
-- Remove the bolts -1- and nuts -2- and the tower brace -3-.
-- Remove the bolts -arrows- and the engine compartment E-box cover.
-- Remove the nut -1- and free up the wire.
-- Release the retainers in direction of -A arrows- and remove the Engine Control Module (ECM) in direction of -arrow B-.
-- Disconnect the connector -2-, if equipped.
-- Disconnect the connectors -4- and remove the nut -3- for the electrical wire.
-- Release the retainers in direction of -arrow- and remove the relay carrier with the fuse holder -1-.
-- Disengage the engine wiring harness at the engine compartment E-box and free it up.
-- Release the retainers in direction of -A arrows- and remove the wiring bushing -2- upward in direction of -arrow B-.
-- Remove the Ground (GND) pin -1- and free up the wiring harness.
-- Lay the wiring harness on the engine and secure the ECM so that it cannot fall.
-- Disconnect the connector -1- on the left and right from the front speed sensors -2-.
-- If equipped, 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 wire -arrow-.
-- Free up the connector -2- on the bracket by pulling the retainer back in direction of -arrow A- and turning the connector approximately 90° clockwise in direction of -arrow B-.
-- 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 line still connected, inside the wheel housing using wire.
Risk of damaging brake pistons.
- Do not operate brake pedal when the brake caliper is removed.
-- Remove the nut -2- and the bolt -1-.
-- Remove the upper control arm upward from the wheel bearing housing in direction of -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 bolts -2- will be removed later.
-- 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.
Audi A5 Cabriolet/Sportback
-- Remove the diagonal braces. Refer to OVERVIEW - SUBFRAME .
Vehicles with Electro-Mechanical Power Steering
-- Release the safety catch -arrow-, push the retainer down and disconnect the connector from -2- from the Power Steering Control Module -J500-.
-- Free up the wiring harness.
Ignore item -1-.
Continuation for All Vehicles
-- Remove the left and right bolts -arrows-, if applicable, and the heat shield -1-.
-- Remove the bolts -arrows- and the front crossmember, if applicable.
-- Remove the left front muffler nuts -arrows-.
-- Remove the right front muffler nuts -arrows-.
The decoupling elements in the front muffler could be damaged.
- Do not bend decoupling element in front muffler more than 10°.
-- Loosen the clamping sleeves -1 and 2-, slide them back and remove the left and right front mufflers.
Vehicles with A Bolted Driveshaft
-- Remove the driveshaft from the transmission. Refer to DRIVESHAFT, REMOVING AND INSTALLING for 0BC, 0BD, 0BE and 0BF, or 39 FINAL DRIVE, DIFFERENTIAL for 0BF and 0BE - with Sport Differential .
-- Slide the driveshaft toward the rear final drive; the CV joints can move axially.
-- Secure the driveshaft to the side.
Vehicles with an Attached Driveshaft
-- Remove the driveshaft. Refer to DRIVESHAFT, REMOVING AND INSTALLING for 0BC, 0BD, 0BE and 0BF, or 39 FINAL DRIVE, DIFFERENTIAL for 0BF and 0BE - with Sport Differential .
Continuation for All Vehicles
-- Remove the steering intermediate shaft from the steering gear push them upward. Refer to STEERING INTERMEDIATE SHAFT, REMOVING AND INSTALLING .
-- Remove the bolt -2- and secure the clutch slave cylinder sideways in the engine compartment.
Risk of damaging the clutch slave cylinder.
- Do not operate the clutch pedal anymore after slave cylinder has been removed.
-- Remove the gearshift rod nut -1-.
-- Position the Puller - Gear Shaft Linkage T40160 and remove the gearshift rod -1-.
Prepare Scissor Lift Platform
-- Equip the Scissor Lift Table VAS6131B with Scissor Lift Table - Audi Set VAS6131/10 and Scissor Lift Table - Q7 Set VAS6131/13 as follows:
| Table Coordinates | Parts from Scissor Lift Table - Audi SetVAS6131/10 and Scissor Lift Table - Q7 SetVAS6131/13 | |||
|---|---|---|---|---|
| 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 |
| C14 | /10-1 | /10-3 | /10-5 | /10-13 |
| F14 | /10-1 | /10-3 | /10-5 | /10-10 |
-- First manually secure the mounting elements to the scissor lift table.
-- 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.
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.
-- 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.
-- 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.
-- Remove the noise insulation retaining clips from the crossmember.
-- Attach mounting elements from the Scissor Lift Table - Audi Set VAS6131/10 at the left and right rear of the 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 VAS6131B and tighten to 20 Nm.
-- Mark the location of the subframe and tunnel crossmember to the longitudinal members using a felt-tip pen.
-- Remove the left and right subframe bolts -2 and 3- in a diagonal sequence in stages.
-- Remove the bolts -arrows- on the tunnel crossmember.
-- Remove the left and right bolts -2-.
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 VAS6131B only by dimension -a-.
- Dimension -a- = 100 mm maximum.
-- Remove the bolts -1 and 3- for the gearshift rod and push rod.
Ignore item -2-.
-- Lower the engine/transmission subassembly more.
-- Remove the Scissor Lift Table VAS6131B with engine/transmission assembly from under the vehicle.