audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Separating engine from gearbox - vehicles with manual gearbox > < Removing and installing engine - Vehicles with front-wheel drive
4-cyl TDI®-Engine, Mechanical Components
Removing and installing engine - Vehicles with front-wheel drive
Removing

Notes:

  • ◆ The engine is removed from underneath together with the gearbox.
  • ◆ Collect drained coolant in a clean container for re use or disposal.
Important
  • ◆ Measures to be taken prior to disconnecting the battery: =>Electrical System; Repair group 27
  • ◆ Always switch off the ignition before connecting or disconnecting the battery, otherwise the engine control unit may be damaged.
  • ‒ Refer to coding on vehicles with encoded radio/radio navigation system (RNS); if necessary, interrogate.
  • ‒ With the ignition switched off disconnect the battery earth strap.
 
A10-0929
  • ‒ → Remove oil dipstick -1- from guide tube.
  • ‒ Remove engine cover -arrows-.
  • ‒ Reinsert dipstick in guide tube.
Important
Hot steam can escape when opening cap on expansion tank: Cover cap with a cloth and open carefully.
  • ‒ Open the cover of the coolant expansion tank
 
A10-0458
  • ‒ → If installed, remove the headlight range control bracket in top right of wheel housing -arrows-.
 
A10-0930
  • ‒ → Remove air duct pipe from right longitudinal member -arrows-.

 
A37-0198
  • ‒ → Remove noise insulation from centre, left and right sides -arrows-
 
A17-0215
  • ‒ → Detach electrical connector from oil level sender -arrow-.
  • ‒ Move wiring to the top.

 
A19-0276
  • ‒ Place drip tray V.A.G 1306 below engine.

Vehicles with drain plug:

  • ‒ → Turn drain plug -1- on radiator anti-clockwise, fit auxiliary hose to connection if necessary.

All models:

  • ‒ Pull off retaining clip -2- for bottom coolant hose and detach coolant hose from radiator.
 
A10-0932
  • ‒ → Also disconnect coolant hose on oil cooler -arrow-, and drain off remaining coolant.

Note:

Illustration shows an engine with code ASZ.

 
A10-0933
  • ‒ → Remove air duct hose -1- from air duct pipe.
  • ‒ Detach connector of air mass meter -3-.
  • ‒ Unscrew bolts -4- and -5-.
  • ‒ Remove vent hose -2- off air cleaner housing.
  • ‒ Remove air cleaner housing.
 
A10-0116
  • ‒ Remove the battery.
  • ‒ → Remove battery carrier -arrows-.

 
A10-0416

Vehicles with manual gearbox:

Detach both gear selector cables from gearbox as follows:

  • ‒ → Mark installation position of threaded rods -1- of both gear selector cables with a waterproof felt-tip pen.
  • ‒ Pull the spring with the knurled piece in direction of arrow -2- towards spherical joint and then turn knurled piece clockwise to secure in engaged position -arrow 3-.
  • ‒ Detach both gear selector cables.
 
A10-0419
  • ‒ → Remove cable counterhold from gearbox and place to one side
    -arrows-

Vehicles with engine code ATD, AXR:

  • ‒ Unclip the clutch slave cylinder hose at the cable support bracket.

 
N34-0719
  • ‒ → Remove gearbox strut -arrows A- from gearbox.
 
A30-0048
  • ‒ → Remove clutch slave cylinder -arrows- and secure with wire, do not open cable system.
Important
Do not depress clutch pedal after removing slave cylinder.

 
A10-0937

Vehicles with engine code ASZ:

  • ‒ → Clamp off pressure line to clutch slave cylinder using a hose clamp 3094.
  • ‒ Pull retainer upwards -arrow- and disconnect pressure line from hose connector -1-.
Important
Do not depress clutch pedal after removing slave cylinder.
 
A10-0935

Vehicles with engine code ASZ, ATD:

  • ‒ → Detach coolant hose -1- from engine.

All models:

  • ‒ Detach connectors from glow plugs (coolant) -Q7 -Item 2-.
  • ‒ Disconnect vacuum line -3- from tandem pump.
  • ‒ Unplug connector -4- at coolant temperature sender -G62.
  • ‒ Disconnect coolant hose to radiator heat exchanger from coolant pipe (rear of engine).
 
A10-0924
  • ‒ Detach the heat protection sleeve at the speedometer sender -G22.
  • ‒ → Detach connector -arrow- from speedometer sender -G22 from gearbox, lay wiring aside.
 
A37-0195
  • ‒ → Unscrew earth wire -1- from flange engine/gearbox.
  • ‒ Disconnect leads -3- and -4- to the starter.
  • ‒ Take connector -2- out of bracket.
  • ‒ Detach wiring from starter bracket.
  • ‒ Unplug connector for reversing light switch on gearbox.

 
A10-0938

Vehicles with engine code ASZ:

  • ‒ → Detach power steering line from gearbox -arrows-.
 
A10-0977

All models:

  • ‒ → Detach coolant hose between engine and radiator -arrows-.

 
A10-0939
  • ‒ → Detach coolant hoses -arrows- from front of engine.
 
A10-0940
  • ‒ → Remove coolant hose -2- and set aside.
  • ‒ Separate fuel feed pipe -3- and fuel return pipe -1- and set aside.
  • ‒ Lay aside wiring at air duct hose.
  • ‒ Where necessary, detach the housing cover at rear of right headlamp.
  • ‒ Remove air duct pipe -arrows-.

 
A13-0083

Note:

Mark the running direction with chalk or a felt-tipped pen before removing the ribbed belt. If the belt runs in the opposite direction when it is refitted, this can cause breakage.

  • ‒ → To slacken ribbed belt, turn tensioner in direction of arrow.
 
N13-0701
  • ‒ → Lock ribbed belt tensioner using mandrel T10060.
  • ‒ Remove ribbed belt.

 
A13-0361
  • ‒ → Detach connector -2-.
  • ‒ Unscrew wire -1- from alternator.
  • ‒ Unbolt wiring clamp.
 
A13-0375
  • ‒ → Unscrew the bolts -arrows- and remove alternator.

 
A10-0941

Vehicles with air conditioner:

  • ‒ → Detach electrical connector -1- for solenoid clutch on air conditioner compressor.
Important
The air conditioner refrigerant circuit must not be opened.
  • ‒ Screw out bolts -arrow- for air conditioner compressor.
  • ‒ Suspend air conditioner compressor together with connected coolant hoses from engine bonnet lock.
 
A10-0942

All models:

  • ‒ Unplug connector console from glow plugs.
  • ‒ → Detach the following connectors:
  •     1 -    Oil pressure switch -F1
  •     2 -    Hall sender -G40
  •     3 -    Engine speed sender -G28
  •     4 -    Fuel temperature sender -G81

 
A15-0587
  • ‒ → Open the knurled nut -arrow- and unplug central connector.
  • ‒ Lay wiring aside.
 
A26-0615

Vehicles with engine code AXR:

  • ‒ → Detach connector -arrow- at intake manifold flap motor.

 
A10-0943

All models:

  • ‒ → Disconnect vacuum hoses -1 ... 3- at rear of intake manifold.

Note:

Illustration shows an engine with code ASZ, ATD.

 
A10-0944
  • ‒ → If installed, detach connector for heating resistor (crankcase venting) -N79 -Item 1-.
  • ‒ Detach vacuum hose -2- to solenoid valves.

Note:

Illustration shows an engine with code ASZ, ATD.

 
A10-0125
  • ‒ → Loosen bolts -arrows- of assembly mounting on engine by 2 turns.
 
A10-0126
  • ‒ → Loosen bolts -arrows- of assembly mounting on gearbox by 2 turns.

 
A34-0252

Vehicles with engine code ATD, AXR:

  • ‒ → Detach power steering line from gearbox -arrows-.
 
A10-0936

All models:

  • ‒ Detach pulley from power steering vane pump.
  • ‒ → Detach vane pump for power steering -arrows-. Do not open hydraulic connections.
  • ‒ Suspend vane pump for power steering from lock carrier.

 
A10-0921
  • ‒ → Unbolt heat shield for right drive shaft -arrows-.
 
A26-0431
  • ‒ → Unbolt bracket for exhaust system from assembly mounting
    -arrows-.

 
A26-0432

Note:

The isolating element in front exhaust pipe must not be deflected more than 10 °to avoid damage.

  • ‒ → Unscrew securing bolts -arrows- of front exhaust pipe/turbocharger.
 
V26-0733
  • ‒ → Detach the exhaust system at the clamping sleeve -arrows-.
  • ‒ Remove the front exhaust pipe.

 
N34-0712
  • ‒ → First remove bolts-A- and then bolts -B- from pendulum support.
  • ‒ Detach pendulum support.
 
A10-0923
  • ‒ → Unbolt right connecting rod at wishbone -arrows-.
  • ‒ Unscrew drive shaft on left and right from gearbox flange.
  • ‒ Push engine forward and at the same time swivel right drive shaft towards front.

 
A02-0069
  • ‒ → Pull release tabs -arrows- and remove air intake grille.
  • ‒ Suspend right drive shaft at towing eye -1- using a wire loop.

Note:

Protect bumper from scratches by using an adhesive tape.

  • ‒ Move left drive shaft towards rear and attach to anti-roll bar using a wire loop.
 
N10-0056
  • ‒ → Attach engine mounting T10012 with securing nut and bolt tightened to approx. 20 Nm to cylinder block.
  • ‒ Insert engine/gearbox lifter V.A.G 1383 A in engine mounting T10012 and lift slightly.

 
A10-0125

Note:

To unscrew bolts for assembly mounting use stepladder VAS 5085.

  • ‒ → Loosen bolts -arrows- of assembly mounting on engine...
 
A10-0126
  • ‒ → ...and from gearbox.

Notes:

  • ◆ Check that all hoses and wiring connections between engine, gearbox and body have been detached.
  • ◆ Carefully guide engine/gearbox assembly when lowering to avoid damages.
  • ◆ Make especially sure that there is free movement to vacuum unit of turbocharger.
  • ‒ Pull engine/gearbox assembly as far forward as possible, and lower gradually.

Separating engine from gearbox - vehicles with manual gearbox > < Removing and installing engine - Vehicles with front-wheel drive