Repair of a gasoline engine 1.4 l car Audi A2

Engine number and characteristics
Engine number Engine characteristics Letter designations AUA BBY Working volume 1390 1390 Power kW at rpm 55/5000 55/5000 Torque Nm at rpm 126/3800 126/3800...

Removal and installation the engine
Removal To remove the 1.4 l engine on the Audi A2, the following preparatory operations must be performed: the noise-insulating casing must be removed. In the...

Fastening the gearbox to the engine
1, 3 M12xb5 80 2 1) M12X135 80 4 M10x50 40 5 M12x80 80 A Centering bushings 1) Additionally, a starter for the gearbox. Installation is in the reverse order,...

Removal and installation engine mounts
Remove the engine hood. Remove the solenoid valve 1 of the absorber "N80" pos. "1" with the bracket from the air duct. Remove the air duct "2", for this...

Removal and installation the engine mount
Removal Remove the noise-insulating casing, loosen the fasteners for this. Unscrew the bolts and remove the heat shield of the right drive shaft. Unscrew the...

Poly V-belt — design description
Poly V-drive: 1. Crankshaft belt pulley. Ensure proper fixation 2. Bolt with washer for poly V-belt and toothed belt pinion for crankshaft. Replace, insert...

Ancillary Bracket — Tightening Sequence and Torque
Tighten the "arrow" bolts for the auxiliary unit bracket in 2 stages as follows: tighten the bolts by hand until they stop, tighten them crosswise with a...

Removal and installation a poly V-belt
Remove the soundproofing casing by loosening the fasteners. Caution! Risk of destruction if a used poly V-belt is rotated in the opposite direction. Before...

Removal and installation the poly V-belt tensioner
Removal Remove the engine hood. Remove the oil dipstick from the guide tube. Remove the guide tube "1" of the oil level dipstick; to do this, press the locking...

Removal and installation the crankshaft belt drive pulley
Removal Remove the poly V-belt. Unscrew the bolt for the poly V-belt pulley and the toothed belt gear, to do this, fix the poly V-belt pulley with the support...

Removal and installation the additional units bracket
Removal Remove the engine hood. Remove the poly V-belt. Disconnect connector "1" of the electromagnetic clutch on the air conditioning compressor. Unscrew the...

Toothed Belt Drive — Design Description
Toothed belt drive: 1. Bolt. Replace, 12 Nm 2. Lower timing belt cover 3. Bolt 4. Rear timing belt cover 5. Bolt, 10 Nm 6. Bolt, 50 Nm 7. Roller for main drive...

Checking the valve timing
Remove the engine hood. Remove the noise-insulating casing, loosen the fasteners for this. Remove the upper toothed belt cover, open the clamps "arrows" for...

Removal and installation the toothed belt for the main drive
Removal Remove the engine hood. Remove the poly V-belt. Remove the upper toothed belt cover, to do this, open the clamps "arrows". Set the crankshaft in the...

Removal and installation a toothed belt for a coupled drive
Removal Remove the toothed belt for the main drive. Unscrew bolt "1" for the toothed belt tension roller. Turn the tension roller with a socket Allen key...

Checking the tension roller of the toothed belt for the main drive
Removal Remove the engine hood. Remove the crankshaft poly V-belt pulley. Remove the lower cover for the toothed belt, to do this, unscrew the bolts "arrows"...

Checking the Timing Belt Tensioner Roller for the Coupled Drive
Removal Remove the engine mount. Remove the upper timing belt cover by opening the clamps "arrows". Unscrew the bolts "arrows" and remove the engine support...

Sealing flange and flywheel — design description
Sealing flange and flywheel: 1 Bolt. Replace 2. Crankshaft timing belt sprocket. There should be no oil on the mating surfaces between the timing belt drive...

Installing an intermediate shield
Connect the upper intermediate shield to the flange "arrow A" and slide it onto the bushings "arrow B".

Engine speed sensor
Loosen the bolt for the engine speed sensor with a torque of 4.5 Nm.

Replacing the crankshaft seal
Engine installed. Remove the toothed belt for the main drive. Remove the toothed belt gear for the crankshaft. To insert the lip seal puller, screw the bolt...

Removal and installation the flywheel
Removal The gearbox is removed. Remove the clutch pressure plate. Use the "3067" locking tool to unscrew the bolts. Unscrew the bolts and remove the flywheel....

Removal and installation the sealing shaft from the gearbox side
The gearbox is removed. For better understanding, the procedure is shown with the engine removed. Pressing out the flange with the sensor wheel from the...

Cylinder head — design description
Instructions: Lubricate all supporting and working surfaces during installation work. Cylinder head: 1. Cylinder head. There should be no oil or grease on the...

Modification of the cylinder head sealing surface
Cylinder head machining (flat grinding) allowed only up to the minimum size. Minimum size "a" = 108.25 mm.

Sequence and tightening torque of cylinder head bolts
Replace the cylinder head mounting bolts. Tighten the bolts in the sequence "1...10" in 4 stages as follows: tighten the bolts by hand until they stop. Tighten...

Removal and installation of the cylinder head
Removal Drain the coolant. Remove the intake manifold. Set the crankshaft to "TDC" and secure the camshafts with the "T10016" camshaft lock. Put the "10.222 A"...

Camshaft housing — design description
Instructions: Lubricate all supporting and working surfaces during installation work. Camshaft housing: 1. Bolt. Replace. 20 Nm + 90° 2. Intake camshaft 3....

Removal and installation the camshaft housing
Removal Remove the timing belt for the mating drive. Unscrew the bolt "arrow up" for the rear cover "1" of the toothed belt. Unscrew the "arrow" bolts and put...

Removal and installation camshafts
Removal Remove the camshaft housing. Unscrew the "arrow" screws and remove the cover. Remove the camshafts from the housing. Installation Installation is in...

Valves — design description
1. Inlet valve. Not subject to processing, only lapping is allowed 2. Exhaust valve. Not subject to processing, only lapping is allowed 3. Cylinder head 4. Oil...

Valve seat machining
Instructions. If grinding does not achieve a perfect working surface of the valve seats, the seats must be machined. When repairing engines with leaky valves,...

This section is available on russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian

Share information:

Audi A2(1999-2005)