Engine, Removing: Procedure
- 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.
-- Remove the cap -arrow- from the coolant reservoir.
-- Remove the engine cover, refer to ENGINE COVER .
-- Drain the coolant, refer to COOLANT, DRAINING AND FILLING .
-- Remove the air filter housing, refer to AIR FILTER HOUSING .
-- Remove the battery tray, refer to [For transmission(s) 0A4, 02E, 09G, 02Q] Battery, Starter, Generator, Cruise Control .
-- Remove the radiator, refer to RADIATOR .
-- To prevent damage, cover the charge air cooler using suitable workshop equipment.
-- Loosen the hose clamps -1- and -3-.
-- Disconnect the connector from the Charge Air Pressure Sensor - G31- -arrow-.
-- Remove the bolts -2- and -4- and remove the lower air guide pipe -5-.
-- Remove the vacuum hose -3- from the connector -arrow- and remove the vacuum line -2-.
-- Press the vacuum hose release buttons -2- and remove from the vacuum pump -1-.
-- Lift the clamps -arrows-, remove the coolant hoses from the heater heat exchanger.
-- Hold the coolant hoses downward and drain the coolant.
-- Remove the front left and right wheel housing liners. .
Vehicles with secondary air injection system
-- Open the release -arrows- and remove the lines -1- from the Secondary Air Injection Pump Motor -V101- -2-.
Continuation for all vehicles
-- Remove the catalytic converter, refer to CATALYTIC CONVERTER WITH FRONT EXHAUST PIPE .
-- Disconnect the hose couplings -1- and -2- as shown in the above graphic. . Loosen the hose clamp from the expansion tank -3-.
-- Loosen the nuts -arrows- and disconnect the battery positive cables -1- from the E-box -2-.
Vehicles with secondary air injection system
-- Squeeze the locking ring on both side and remove the connecting pipe -1-.
-- Carefully unclip the secondary air system bracket -4-.
-- Unclip clip -3- and remove both secondary air lines.
Continuation for all vehicles
-- Remove the ground connection -2- and free up the cable guide -1-.
-- Release and disconnect the connectors -3-.
-- Open the cable guide -1- locking devices -arrows- and lay the wiring harness on the engine.
-- Disconnect and remove the connector -arrow-.
-- Unclip the wiring harness from the bracket -1-.
-- Remove the selector lever cable from the transmission.
-- Remove the bolts -arrows- and set the selector lever cable -2- with cable bracket -1- aside.
EVAP canister in the engine compartment
-- Remove the vent line -arrow-, refer to the above graphic. .
-- Release the tab -3- in the direction of the -arrow- and remove the EVAP canister -1- upward.
-- Lay the EVAP canister -1- on the engine with the line attached -2-.
Continuation for all vehicles
-- Remove the bolt -4- and rotate the windshield washer fluid reservoir filler tube -2- forward.
-- Open the clip -3- and remove the connector -5- from the coolant expansion tank -1-.
-- Remove the bolts -arrows- and place the coolant expansion tank -1- on top of the engine with the hoses connected.
-- Loosen the bolt -1- for the engine mount -2- approximately two turns.
-- Remove the bolts -2- on the transmission mount -1- two turns.
-- Pivot the tensioner in direction of -arrow- to relieve tension on ribbed belt.
-- Secure the tensioning system using Locking Pin T10060A.
- Before removing ribbed belt, marking running direction with chalk or felt-tip pen for reinstallation later.
-- Remove the ribbed belt from the A/C compressor ribbed belt pulley and release the tension on the tensioning device.
-- Disconnect the connector -1- on the A/C Compressor Regulator Valve -N280-.
-- Remove the bolts -arrows-.
- Do not open the air conditioning refrigerant circuit.
- Do not stretch, kink or bend refrigerant lines and hoses.
-- Remove the A/C compressor from the bracket with the refrigerant hoses attached.
-- Remove the left and right drive axle, refer to Drive Axle Overview .
Vehicles with coolant auxiliary cooler
-- Remove the nuts -arrows- from the coolant auxiliary cooler bracket -2-.
-- Unclip the air guide on the coolant auxiliary cooler.
-- Remove the coolant auxiliary cooler -1- with the bracket -2- and attached coolant hoses and secure to engine.
Continuation for all vehicles
-- Remove the connector -arrow- from the After-Run Coolant Pump -V51- -1-.
-- Remove the nut -3- and remove the After-Run Coolant Pump -V51- -1- from the bracket -2-.
-- Operate the release -arrow- and remove the coolant hose -1- from the controller housing.
-- Remove the bolts -arrows- and move the bracket to the side.
-- Remove the bolt -arrow- for the bracket -1-.
-- Lightly push the wires -2- upward.
-- Position the Engine/Gearbox Jack - Adapter T10359/3 on the Engine/Gearbox Jack - Engine Support T10359 from above and secure it.
-- Tighten Engine/Gearbox Jack - Pin T10359/2 with support element -A- from the Transmission Support 3282 to the engine bracket.
-- Position the Engine/Gearbox Jack - Engine Support T10359 on the Engine/Gearbox Jack VAG1383A and bring it into position with the engine/transmission assembly.
-- After the Engine/Gearbox Jack - Engine Support T10359 is positioned correctly, install the bolt -A- with the spacer sleeve on the Engine/Gearbox Jack - Engine Support T10359.
-- Secure the engine bracket on engine using the securing element -B- from the Transmission Support 3282 and slightly lift the engine/transmission subassembly.
-- Carefully remove the bolts -1- for the engine mount -2-.
-- Remove the bolts -2- completely.
- Make sure all the vacuum lines or electric wires between the engine, the transmission and the body are loosened.
- Carefully lower and guide the engine/transmission subassembly out of the engine compartment.
-- Carefully lower the engine/transmission sub-assembly in direction of -arrow 1-.
-- Carefully guide the engine/transmission sub-assembly forward and out to the left in direction of -arrow 2-.