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Home >> Audi >> 2020 >> S4 Prestige >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Engine Assembly [CYMC,CYRB,CYRC,CWPB,DDWA,DKNA,DKWA,DLHB,DDWB]) >> 10 Engine Assembly >> Engine, Removing And Installing >> Engine, Removing >> Engine, Removing, Vehicle With Generator

Engine, Removing, Vehicle With Generator

WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2019 Audi A4 allroad, 2019 Audi A4 Quattro, 2018 Audi A4 allroad, 2018 Audi A4 Quattro, and 2017 Audi A4 allroad. However, it is still accessible from the selected car via links, so may be relevant.

Special tools and workshop equipment required 

Procedure 

-- Observe the guidelines for clean working conditions. Refer to GUIDELINES FOR CLEAN WORKING CONDITIONS .

-- Disconnect the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .

-- Engage the 4th gear on versions with a manual transmission.

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

Fig 1: Engine Cover 2.0L TFSI
GWWA10-11902Courtesy of AUDI OF AMERICA, LLC
CAUTION:

The Cooling System Is Under Pressure When the Engine Is Warm. There Is a 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 expansion tank cap -1- by releasing the catch in direction of -arrow- if necessary.

Fig 2: Coolant Expansion Tank
GWWA19-12304Courtesy of AUDI OF AMERICA, LLC

-- Remove the front wheels. Refer to 44 WHEELS, TIRES, WHEEL ALIGNMENT .

-- Remove the noise insulation. Refer to NOISE INSULATION, REMOVING AND INSTALLING .

-- Remove the left and right wheel spoiler as well as the right front wheel housing liner. Refer to FRONT WHEEL HOUSING LINER, REMOVING AND INSTALLING .

-- Equipment version: disconnect the connector -2- for the Intake Air Switch-Over Valve -N335- and remove the water drain -1- downward in direction of -arrow-.

GWWA23-10515Courtesy of AUDI OF AMERICA, LLC

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

GWWA23-11009Courtesy of AUDI OF AMERICA, LLC

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

-- Remove the vacuum hose -3-.

GWWA24-11665Courtesy of AUDI OF AMERICA, LLC

-- Loosen the hose clamp -2- and remove the air duct hose.

-- Pull the air filter housing -1- upward.

-- Release the latch in direction of -arrow B- and open the E-box -1- in direction of -arrow A-.

GWWA10-12008Courtesy of AUDI OF AMERICA, LLC

-- Remove the nut -2- and free up the B+ wire.

-- Free up the upper wiring duct.

-- Remove the nuts -1- from the front muffler accessible from the top. (Nut -2- and bolt -3- are removed later.)

Fig 3: Threaded Connection - Front Muffler, Vehicle without Particulate Filter
GWWA26-11665Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1- for the Charge Air Pressure Sensor -G31-.

GWWA21-10922Courtesy of AUDI OF AMERICA, LLC

-- Loosen the screw-type clamp -2- and remove the air duct pipe from the Throttle Valve Control Module -J338-.

-- Place the container of the : VAS5014  or the : VAS6208  underneath.

GWWA19-12322Courtesy of AUDI OF AMERICA, LLC

-- Open the drain plug -1- on the connection and drain the coolant.

-- Loosen the left front wheel housing liner in the front area and push slightly toward the rear. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

-- Loosen the hose clamp -1- and remove the air duct hose and remove downward.

GWWA21-11082Courtesy of AUDI OF AMERICA, LLC
Fig 4: Ribbed Belt For Vehicles With Electro-Mechanical Power Steering
GWWA13-10904Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk of Destroying a Used Ribbed Belt by Reversing the Running Direction

- Mark the running direction before removal.

- Pay attention to the running direction when reinstalling.

-- Pivot the tensioner counter-clockwise in direction of -arrow- and remove the ribbed belt from the A/C compressor ribbed belt pulley.

-- Secure the tensioner using the : T10060A  .

-- Remove the A/C compressor from the bracket. Refer to A/C COMPRESSOR, REMOVING AND INSTALLING ON BRACKET .

-- Remove the left and right bolt -1- for the support bearing -2-.

GWWA10-12030Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolt -arrow- and remove the wiring duct -1- from the oil pan upper section toward the front and push it downward.

GWWA10-12044Courtesy of AUDI OF AMERICA, LLC

-- Loosen the hose clamp -arrow- and remove the air duct hose at the right from the turbocharger.

GWWA21-11086Courtesy of AUDI OF AMERICA, LLC

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

GWWA10-12010Courtesy of AUDI OF AMERICA, LLC

-- Release the retainers in direction of -arrows- and free up the wiring duct -1-.

-- Free up the wiring harness to the engine.

-- Remove the nut -arrow- and free up the ground wire.

GWWA10-12046Courtesy of AUDI OF AMERICA, LLC

-- Remove the right drive axle heat shield. Refer to DRIVE AXLE HEAT SHIELD, REMOVING AND INSTALLING .

-- Remove the left and right drive axles from the transmission. Refer to DRIVE AXLE, REMOVING AND INSTALLING .

-- Remove the nut -2- and bolt -3- for the front muffler.

Fig 5: Threaded Connection - Front Muffler, Vehicle without Particulate Filter
GWWA26-11665Courtesy of AUDI OF AMERICA, LLC
Fig 6: Identifying Bolts
GWWA26-11144Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk of Damaging the Coupling Due to Improper Handling

- Coupling must not be bent more than 10°.

- Do not load the coupling on the cable.

-- Remove the bolts -arrows-.

-- Loosen the threaded connections -arrows- and slide the clamping sleeves toward the rear.

GWWA26-11726Courtesy of AUDI OF AMERICA, LLC

-- Remove the front muffler.

-- Remove the nut -2- from below. (The nuts -1- will be removed later.)

Fig 7: Identifying Turbocharger Catalytic Converter & Nuts
GWWA26-11207Courtesy of AUDI OF AMERICA, LLC

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

GWWA10-11774Courtesy of AUDI OF AMERICA, LLC

-- To loosen the bolts for the flywheel, counterhold the crankshaft using the : T40263  and : T40314  .

GWWA13-11145Courtesy of AUDI OF AMERICA, LLC
CAUTION:

Risk of Damaging the Engine by the Timing Mechanism Skipping

- Only let the engine turn in the direction of engine rotation.

-- Turn the crankshaft an additional 120° respectively in the direction of engine rotation -arrow-.

-- Remove the three bolts -arrow- for the flywheel -1-.

GWWA37-11222Courtesy of AUDI OF AMERICA, LLC

Vehicle with Manual Transmission: 

Fig 8: Engine To Transmission Bolts (1 through 10)
GWWA34-10493Courtesy of AUDI OF AMERICA, LLC

-- Loosen the bolt -1- using the : VAG1332/14  and : VAS6948  .

-- Remove the bolts -6 through 10- that attach the engine to the transmission.

Vehicle with Dual-Clutch Transmission: 

Fig 9: Transmission Mounting Bolts and Alignment Sleeves (4-Cylinder FSI Engine)
GWWA34-11495Courtesy of AUDI OF AMERICA, LLC

-- Loosen the bolt -1- using the : VAG1332/14  and : VAS6948  .

-- Remove the bolts -6 through 10- that attach the engine to the transmission.

Continuation for All Vehicles: 

GWWA10-12017Courtesy of AUDI OF AMERICA, LLC

-- Remove the left and right bolt -2- from the engine mount.

-- Disconnect the connector -1- for the Oxygen Sensor after Catalytic Converter -G130- -2- and free up the wires. (There are different installation positions.)

Fig 10: Oxygen Sensor 1 after Catalytic Converter -GX7- Component Location
GWWA24-11553Courtesy of AUDI OF AMERICA, LLC

-- Remove the connector -1- from the bracket and disconnect it.

GWWA24-10925Courtesy of AUDI OF AMERICA, LLC

-- Remove the Heated Oxygen Sensor -G39- -2- using a tool from the : 3337  .

-- Remove the nuts -1- and the catalytic converter upward.

Fig 11: Identifying Turbocharger Catalytic Converter & Nuts
GWWA26-11207Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the fuel hose -1-. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

GWWA10-12047Courtesy of AUDI OF AMERICA, LLC

-- Loosen the hose clamp -2- and disconnect the hose for the EVAP system.

-- Pull back the heat shield slightly.

GWWA19-12323Courtesy of AUDI OF AMERICA, LLC

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

-- Lift the clamps -arrows-, remove and free up the coolant hoses.

Fig 12: Coolant Expansion Tank.
GWWA19-12324Courtesy of AUDI OF AMERICA, LLC

-- Disconnect the connector -1- for the Engine Coolant Level Warning Switch -F66-.

-- Remove the bolt -2- and remove the coolant expansion tank -3-.

-- Lift the clamp -1 and 3-, and remove the coolant hoses.

GWWA19-11988Courtesy of AUDI OF AMERICA, LLC

Vehicle with Dual-Clutch Transmission:

-- Lift the clamp -2- and remove the coolant hose.

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

GWWA19-12325Courtesy of AUDI OF AMERICA, LLC

Vehicle with Manual Transmission:

GWWA19-12333Courtesy of AUDI OF AMERICA, LLC

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

Continuation for All Vehicles:

GWWA10-12048Courtesy of AUDI OF AMERICA, LLC

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

-- Disconnect the connector -1- from the engine control module.

-- Free up the wiring harness and place on the engine.

-- Release the retainer in direction of -arrow- and remove the vacuum hose -1-.

GWWA10-12009Courtesy of AUDI OF AMERICA, LLC

Vehicle with Manual Transmission: 

Fig 13: Engine To Transmission Bolts (1 through 10)
GWWA34-10493Courtesy of AUDI OF AMERICA, LLC

-- Remove -2 to 5- that are accessible from above that connect the engine to the transmission.

-- Remove the starter slightly from the transmission and leave it in the installation position.

Vehicle with Dual-Clutch Transmission: 

Fig 14: Transmission Mounting Bolts and Alignment Sleeves (4-Cylinder FSI Engine)
GWWA34-11495Courtesy of AUDI OF AMERICA, LLC

-- Remove the bolts -2 to 5- that are accessible from above that connect the engine to the transmission.

Continuation for All Vehicles: 

GWWA10-12037Courtesy of AUDI OF AMERICA, LLC

-- Position the : 10-222A  with the : 10-222A/22  on the left and right fender bolting edges as shown.

-- Connect the transmission and : 10-222A/11  with the : 3147  . (Shown with the engine removed.)

-- Slightly pre-tension the transmission using the spindle.

-- Engage the : 2024A  on the engine and on the : VAS6100  as shown.

GWWA10-11551Courtesy of AUDI OF AMERICA, LLC
CAUTION:

There Is a Risk of Injury from the Lifted Engine Falling.

Parts of the Body Could Be Crushed.

- Secure the mounting hooks and pins on the lifting tackle with a securing pin.

-- Lift the engine until the engine mount is free.

-- Turn the : 10-222A/11  .

CAUTION:

Risk of Damaging the Lines and Hoses and the Engine Compartment When Removing the Engine

- Make sure all connections between the engine, transmission, subframe and body have been disconnected.

-- Remove the engine from the transmission and lift it upward out of the engine compartment.