Engine, Removing: Procedure
The cooling system may be under pressure. 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 suitable towel and carefully opening it.
-- Open the coolant reservoir cap -arrow-.
-- Remove the subframe without the steering gear. Refer to SUBFRAME WITHOUT STEERING GEAR, REMOVING AND INSTALLING .
-- Remove the front section of the left and right front wheel housing liners. Refer to OVERVIEW - FRONT WHEEL HOUSING LINER .
-- Disconnect the connector -1-.
-- Place the Shop Crane - Drip Tray :VAS 6208 underneath.
-- Lift the clamp -3- and remove the lower right coolant hose from the radiator and drain the coolant.
-- Remove the engine cover. Refer to ENGINE COVER, REMOVING AND INSTALLING .
-- Remove the air filter housing. Refer to AIR FILTER HOUSING, REMOVING AND INSTALLING .
-- Remove the air duct from the lock carrier. Refer to AIR DUCT ON LOCK CARRIER, REMOVING AND INSTALLING .
-- Disconnect the battery. Refer to BATTERY, DISCONNECTING AND CONNECTING .
-- Engine compartment battery: remove the battery tray -1-. Refer to BATTERY TRAY, REMOVING AND INSTALLING .
-- Luggage compartment battery: remove the air filter housing mount.
-- Disconnect the vacuum hose -2-.
-- Press the release button on the vacuum hose -1- and remove the hose from the vacuum pump.
Vehicles without Parking Heater:
-- Lift the clips -arrows- and remove the coolant hoses from the heater core for the heater.
-- Hold the coolant hoses downward and allow the coolant to drain.
Vehicles with Parking Heater:
-- Loosen the hose clamp -1-, lift the clamps -arrows- and remove the coolant hoses.
Continuation for All Vehicles:
-- Remove the connector -2- from the bracket, disconnect it and free up the wire.
-- Remove the connector -arrow- for the Oxygen Sensor 1 After Catalytic Converter -GX7- from the bracket, disconnect it and free up the wire.
-- Remove the bolt -1- and the screw-type clamp.
-- Loosen the bolt -2- and disengage the catalytic converter upward and push to the side. (Shown with the engine removed.)
The fuel system is under pressure.
Risk of injury from fuel spraying out.
- Wear protective eyewear.
- Wear safety gloves.
- Reduce the pressure: place clean cloths around the connection point and carefully open the connection point.
-- Place a cloth under the separating point to catch any escaping fuel.
-- Disconnect the fuel hose -1- and remove the hose -2- for the EVAP system. Refer to CONNECTOR COUPLINGS, DISCONNECTING .
-- Open the tab -3- and free up the hoses.
-- Remove the screw -arrow-, if applicable.
-- Loosen the hose clamps -1 and 2- and remove the coolant hoses.
-- Lift the clamp -arrow- and remove the left upper coolant hose from the radiator.
Use the Pry Lever :80 - 200 for removing the spiral clips in the following steps.
-- Disconnect the connector -1- from the Engine/Motor Control Module -J623-. Refer to Engine/Motor Control Module -J623-, REMOVING AND INSTALLING .
-- Remove the connectors -2 and 3- from the bracket and disconnect them and then free up the wires.
-- Remove the nut -4- and free up the ground wire.
Depending on the version the ground cable is attached to the starter bolt.
-- To discharge static electricity, touch a ground by hand (without gloves).
-- Do not touch connector terminals in the transmission connector with hands.
-- Disconnect the connector -2- for the Dual-Clutch Transmission Mechatronic -J743- by turning the twist lock counter-clockwise.
-- Remove the selector lever cable from the transmission and pull it out of the cable bracket. Refer to the appropriate service information .
-- Loosen the bolts -arrows- for the transmission mount approximately two turns.
-- Loosen the bolts -arrows- for the engine mount approximately two turns.
-- Loosen the hose clamps -arrows- and remove the left charge air hose -A-.
-- Disconnect the radiator fan connector -1- by sliding the retainer back in the direction of the arrow -A- and pressing the release downward.
-- Press the left and right fan shroud -B- locking tabs evenly. Disengage the fan shroud and remove downward from the radiator.
-- Loosen the hose clamp -1- and -2- and remove the right charge air hose.
-- Seal the open lines and connections with clean plugs from the Engine Bung Set :VAS 6122 .
-- Cover the radiator with the Protective Mat :VAS 531003 .
-- Loosen the hose clamps -1 and 2- and remove the air duct hose.
Vehicles with Parking Heater:
-- Loosen the clamp -1-, remove the bolt -2- and remove the parking heater muffler.
Continuation for All Vehicles:
-- Before removing the ribbed belt, mark the running direction with chalk or a felt-tip pen for reinstallation.
-- Pivot the tensioner clockwise -arrow- to release the tension on the ribbed belt.
-- Remove the ribbed belt from the A/C compressor ribbed belt pulley and release the tension on the tensioner. If necessary, remove the Locking Pin :T10060A .
Danger of frostbite from refrigerant.
- Do not open the A/C system refrigerant circuit.
-- Disconnect the connector -1- from the A/C Compressor Regulator Valve -N280-.
-- Remove the bolts -arrows-.
-- Remove the A/C compressor from the bracket with the refrigerant hoses attached and tie up to the right side. While doing so, do not bend, twist or stretch the refrigerant lines and hoses.
-- Remove the left and right drive axles from the flange shafts. Refer to DRIVE AXLE, REMOVING AND INSTALLING .
-- Tie up the drive axles to the rear.
Be careful not to damage the protective coating on the drive axle.
-- If equipped, release the connector for the Transmission Fluid Auxiliary Hydraulic Pump 1 -V475- -a- and remove the connector -b-.
Vehicles with Front Axle Differential Lock
-- Disconnect the connector -arrow- for the Differential Locks Control Module -J647-.
AWD Vehicles:
-- Remove the bolts -A- and -B- on the bevel box and remove the heat shield -1-.
-- Mark the position of the driveshaft with the flexible disc to the bevel box output flange -arrows-.
-- Remove the driveshaft from the bevel box -arrows-. Refer to DRIVESHAFT, REMOVING AND INSTALLING .
-- To loosen or tighten the driveshaft, counterhold at the rear final drive if necessary.
-- Secure the Support Bridge :T10323 with a bolt in the inside rear threaded hole for the subframe.
-- A subframe bolt is suitable for this.
-- Place a cloth -A- on the Support Bridge and place the driveshaft on it.
Continuation for All Vehicles:
-- Loosen the clamping sleeve -arrow- and push it toward the rear.
-- Remove the catalytic converter with the front exhaust pipe.
-- Remove bolt -arrow- and push the bracket for the wiring harness to the side.
-- Fasten the Adapter T10359/3 on the Engine/Gearbox Jack - Engine Support :T10359 A as shown.
-- Tighten the Pin T10359/2 onto the engine bracket with the securing element -A- from the Transmission Support :3282 .
-- Insert the Engine/Gearbox Jack - Engine Support :T10359 A in the Engine and Gearbox Jack :VAS 6931 .
-- Position the Engine/Gearbox Jack - Engine Support :T10359 A on the cylinder block. Tighten the bolt -A- with the spacer sleeve on the cylinder block. Tightening specification 20 Nm.
-- Secure the engine with the support element -B- and lift the engine with the transmission.
-- Completely remove the engine mount bolts -arrows-.
-- Completely remove the transmission mount bolts -arrows- completely.
-- Carefully lower the engine/transmission assembly. While doing so, check if all vacuum lines or wires between the engine, transmission and body are separated.