Engine, Installing

Procedure

Install in the reverse order of removal while noting the following:

Vehicles with dual clutch transmission: always replace the needle bearing in the crankshaft after the engine and transmission have been separated. Refer to CRANKSHAFT NEEDLE BEARING, REPLACING .
Replace bolts that were tightened with an additional turn after removing them.
Replace the self-locking nuts and bolts, gaskets, seals and O-rings after removing.
Only remove the plugs or caps just before installing the respective lines.
Secure all hose connections with hose clamps that match the ones used in series production. Refer to the Parts Information.
Check the vacuum hoses for damage before the assembly and replace if necessary.
During installation, all cable ties must be installed at the same location.
Used coolant cannot be used again.

-- Attach the transmission to the engine. Refer to TRANSMISSION, INSTALLING .

-- Lift the engine/transmission assembly using the Engine/Gearbox Jack - Engine Support: T10359 .

-- Guide the engine/transmission assembly into the body.

-- Install the bolts -arrows- for the engine mount by hand all the way.

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-- Install the bolts -arrows- for the transmission mount -1- by hand all the way.

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-- Remove the Engine/Gearbox Jack - Engine Support: T10359A from the engine.

-- Adjust the assembly mount. Refer to ASSEMBLY MOUNT, ADJUSTING .

-- Install the drive axles. Refer to OVERVIEW - DRIVE AXLE .

-- Attach the driveshaft to the bevel box. Refer to the appropriate Service Information .

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

-- Install the control lines for Particulate Filter Differential Pressure Sensor -G1037-. Refer to OVERVIEW - HEATED OXYGEN SENSOR .

-- Install the A/C compressor. Refer to OVERVIEW - A/C COMPRESSOR .

-- Install the ribbed belt. Refer to RIBBED BELT, REMOVING AND INSTALLING .

-- Install the front air duct pipe. Refer to FRONT AIR DUCT PIPE, REMOVING AND INSTALLING .

-- Install the fan shroud. Refer to FAN SHROUD, REMOVING AND INSTALLING .

-- Electrical connections and routing. Refer to COMPONENT LOCATION OVERVIEW - RELAY PANELS, FUSE PANELS AND E-BOXES and the appropriate Wiring Diagram.

-- Install the air guide hoses. Refer to OVERVIEW - CHARGE AIR HOSE CONNECTIONS .

-- Install the gearshift lever cable and adjust. Refer to OVERVIEW - SHIFT MECHANISM .

-- Connect the fuel line and the EVAP system hose. Refer to CONNECTOR COUPLINGS, DISCONNECTING .

-- Install the catalytic converter. Refer to CATALYTIC CONVERTER, REMOVING AND INSTALLING .

-- Install the connection for the turbocharger. Refer to OVERVIEW - TURBOCHARGER .

-- Install the battery tray. Refer to BATTERY TRAY, REMOVING AND INSTALLING or connect the battery, refer to BATTERY, DISCONNECTING AND CONNECTING .

-- Install the air filter housing bracket. Refer to Fig 2 and Refer to Fig 1.

Fig 1: Audi TT From 2015: Air Filter Housing Bracket

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Fig 2: Audi A1 From 2018: Air Filter Housing Bracket

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-- Install the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .

-- Install the air guide. Refer to OVERVIEW - AIR FILTER HOUSING .

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

-- Install the subframe. Refer to OVERVIEW - SUBFRAME .

-- Install the wheel housing liner. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .

-- Install the underbody trim panel. Refer to OVERVIEW - UNDERBODY TRIM PANELS .

-- Fill engine oil, or check the fluid level. Refer to ENGINE OIL .

-- Follow all steps after connecting the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .

CAUTION:

There is a risk of destroying the control modules due to excessive voltage.

- Do not use a battery charger to jump start!

-- Connect the coolant hoses with the connector coupling. Refer to Fig 3.

Fig 3: Connect the Connector Coupling

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-- Fill with coolant. Refer to COOLANT, FILLING USING Cooling System Charge Kit: VAS 6096 [DNNA, DNNB, DNND, DNVB] .

Tightening Specifications

The tightening specifications only apply to lightly greased, oiled, phosphated or blackened nuts and bolts.
Additional lubricants, such as engine or transmission oil are permissible, although lubricants containing graphite are not.
Do not use any ungreased parts.
Tightening specification tolerance: ±15%.

Component		Nm
Bolts and nuts	M6	10
	M7	15
	M8	20
	M10	40
	M12	65