Audi 100/A6

1990-1997 of release

Repair and car operation

3.3.2.1. Codes of engines

THE GENERAL DATA

Codes of engines

4-cylinder petrol engines
1781 sm3, инжекторная system Bosch Motronic 3.2, 92 kw	ADR
1984 sm3, инжекторная system Bosch Mono-Motronic, 74 kw	AAE
1984 sm3, инжекторная system Bosch KE-Motronic, 103 kw	ACE
1984 sm3, инжекторная system Volkswagen Digifant, 85 kw	ABK
1984 sm3, инжекторная system Bosch KE-Motronic, 85 kw	AAD
5-cylinder petrol engines
2226 sm3, инжекторная system Motronic, 169 kw	AAN
2309 sm3, инжекторная system Bosch KEIII Jetronic, 98 kw	AАR
The 4-cylinder diesel engine
1896 sm3, direct injection, turbo-supercharging, 66 kw, 1Z	AHU
5-cylinder diesel engines
2370см3, direct injection, normal всасывание, 64 kw	AAS
2460см3, direct injection, турбонагнетатель, 85 kw, ABP	AAT
2460см3, direct injection, турбонагнетатель, 103 kw	AEL
Head of cylinders
The maximum deformation of a surface of a head of cylinders:
All types of engines except diesel engines AAS, AAT, ABP, AEL	0,1 mm
Diesel engines AAS, AAT, ABP, AEL	0,2 mm
The minimum height of a head of cylinders:
Petrol engine ADR	139,25 mm
Petrol AAE, ABK, AAD	132,6 mm
Petrol ACE,	118,1 mm
Petrol AAR, AAN	132,75 mm
Diesel engines	Repeated processing is impossible
Selection of a lining of a head of cylinders (a diesel engine 1Z, AHU):
Ledge of the piston 0,91 – 1,00 mm	1 aperture
Ledge of the piston 1,01 – 1,10 mm	2 apertures
Ledge of the piston 1,11 – 1,10 mm	3 apertures
Selection of a lining of a head of cylinders (diesel engine AAS):
Ledge of the piston 0,66 – 0,86 mm	1 aperture (a thickness of 1,53 mm)
Ledge of the piston 1,01 – 1,10 mm	2 aperture (1,57 mm)
Ledge of the piston 1,11 – 1,20 mm	3 aperture (1,61 mm)
Selection of a lining of a head of cylinders (diesel engine ABP, AAT, AEL):
Ledge of the piston 0,76 – 0,01 mm	1 aperture (a thickness of 1,53 mm)
Ledge of the piston 1,02 – 1,05 mm	2 aperture (1,57 mm)
Ledge of the piston 1,06 – 1,13 mm	3 aperture (1,61 mm)
The minimum distance from the centre of a rod of the valve to a head surface:	The inlet valve / the Final valve
– Petrol ADR	33,2 mm / of 33,0 mm
– Petrol AAE, ABK, AAD, AAR, AAN	33,8 mm / of 34,1 mm
– Petrol ACE	34,4 mm / of 34,7 mm
– Diesel engines	35,8 mm / of 36,1 mm
Pistons and piston rings
Diameter of the piston:
– Petrol ADR:
The standard	80,985 mm
Increased, after the first расточки the cylinder	81,235 mm
Increased after the second расточки	81,485 mm
The maximum deviation	0,04 mm
– Petrol AAE, ACE, ABK, AAD, AAR, AAN:
The standard	82,480 mm
Increased, after the first расточки the cylinder	82,730 mm
Increased after the second расточки	82,980 mm
The maximum deviation	0,04 mm
– A diesel engine 1Z, AHU:
The standard	79,170 mm
Increased, after the first расточки the cylinder	79,720 mm
Increased after the second расточки	79,970 mm
The maximum deviation	0,04 mm
– Diesel engine AAS:
The standard	79,480 mm
Increased, after the first расточки the cylinder	79,730 mm
Increased after the second расточки	79,980 mm
The maximum deviation	0,04 mm
– Diesel engine ABP, AAT, AEL:
The standard	80,960 mm
Increased, after the first расточки the cylinder	81,210 mm
The maximum deviation	0,04 mm
Backlash between piston rings and flutes of rings:
4 cylinders, petrol ADR:
– New:
Kompressionnye rings	0,02 – 0,07 mm
Maslosemnoe ring	0,02 – 0,06 mm
The maximum deterioration	0,12 mm
4 cylinders, petrol AAE, ABK, AAD:
– New:
Kompressionnye rings and маслосъемное a ring	0,02 – 0,50 mm
The maximum deterioration	0,15 mm
4 cylinders, petrol ACE:
– New:
Kompressionnye rings	0,02 – 0,07 mm
Maslosemnoe ring	0,02 – 0,06 mm
The maximum deterioration	0,15 mm
5 cylinders, petrol AAR, AAN:
– New:
Kompressionnye rings	0,02 – 0,07 mm
Maslosemnoe ring	0,02 0,06 mm
The maximum deterioration	0,12 mm
4 cylinders, diesel engine 1Z, AHU:
– New:
Top компрессионное a ring	0,06 – 0,09 mm
The second компрессионное a ring