Engine — removal and installation (Audi 80 B3)

1. Remove the hood as described in Section 11.

2. Disconnect the negative battery cable.

3. Unscrew and remove the mudguard from under the engine.

4. Place a suitable container under the pan, then unscrew the drain plug (photo) and drain the engine oil. Clean, install and tighten the plug.



5. Drain the cooling system as described in Section 2.

6. Remove the fuel injection system components as described in Section 3.

7. On models equipped with power steering, remove the pump as described in Section 10, but do not disconnect the hoses, move the pump to the side.

8. On models equipped with air conditioning, remove the compressor as described in Section 11, but do not disconnect the coolant pipes, move the block to the side.

9. Remove the radiator grille as described in Section 11. Also unscrew the front upper radiator cover (photo).



10. Remove the front bumper as described in Section 11.



11. Release the hood latch control cable (Section 11), then unscrew and remove the crossbar from the front of the engine compartment (photo).



12. Remove the auxiliary radiator (where is there).

13. On manual transmission models, remove the clutch slave cylinder as described in Section 5, but do not disconnect the pipe, move the cylinder to the partition.

14. Remove the lower cross member.

15. Remove the inlet hose cover.

16. Where necessary, remove the right headlight and the right lock mounting plate.

17. Disconnect the electrical wiring from the air flow sensor and the idle air control valve.

18. Disconnect the air filter heater hose, remove the air filter housing with the air flow sensor and air duct.

19. Note the direction and location of the engine wiring harness, then disconnect the wires and remove the harness (photo). To avoid confusing the wires when connecting, mark them with adhesive tape.



20. Unscrew the ground cable from the battery holder suspension and cylinder head.



21. Remove the distributor cover.

22. Disconnect the heater hoses at the bulkhead.

23. Remove the fuel pressure regulator.

24. Remove the speed control unit.

25. Isolate and then disconnect all vacuum hoses.

26. Remove the radiator as described in Section 2.

27. Disconnect the fuel supply and return hoses at the bulkhead.

28. Unscrew the ignition timing sensor and the speed sensor.

29. Disconnect the coolant hoses from the oil radiator, cylinder head and cylinder block.

30. Apply the parking brake, jack up the front of the vehicle and support it on axle stands.

31. Remove the exhaust outlet pipe as described in Section 3.

32. Unscrew and remove the front transmission cover.

33. Remove the starter as described in Section 12.

34. Unscrew the temperature reflector from the right drive shaft. Also unscrew the front engine support beam.

35. On automatic transmission models, remove the bolts securing the torque converter to the drive plate, working through the hole in the front cover. You will need to crank the engine to access each bolt. Also disconnect the kickdown cable.

36. Loosen and remove the lower bolts securing the transmission to the engine.

37. Lower the front of the car to the ground.

38. Attach the winch, lift the engine slightly. The winch must be placed centrally above the engine.

39. Support the transmission with a jack.

40. Loosen and remove the remaining bolts securing the transmission to the engine, noting the location of the hangers and ground strap.

41. Unscrew and remove the right engine mounting bracket, then the left engine mounting bracket.



42. Raise the engine slightly, place the jack again under the transmission.

43. Move the engine away from the transmission. On models with automatic transmission, make sure the torque converter remains in the transmission grooves.

44. Lift the engine out of the engine bay, being careful not to damage surrounding parts. Move the engine forward and lower it to the floor.

45. On automatic transmission models, ensure that the torque converter remains in its original position by bolting a piece of metal to one of the mounting bolt holes.

46. Installation is the reverse of removal. However, before starting the engine, make sure it is filled with oil and that the cooling system is full. Before tightening the engine mount brackets, rock the engine by hand to ensure proper alignment. Adjust the accelerator cable and, if equipped, the kickdown cable as described in Section 3.

Engine disassembly - general description

Cm. Part A, Chapter 7 from this Section.

Auxiliary parts - removal and installation

Cm. Part A, Chapter 8 from this Section, with the following difference: Oil Filter (Chapter 28).

(The original article is located on the online resource AUDImanual.ru)