Audi 100/A6

1990-1997 of release

Repair and car operation

Audi 100/A6
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Engines
+ 3.2. Diesel engines
+ 3.3. Removal and partition of engines
+ 4. Cooling system
+ 5. Heating and ventilation
- 6. Fuel system
   + 6.1.2. Technical characteristics
   + 6.2. Multipoint system of injection of fuel
   + 6.3. System of injection of MPI/MPFI (6-cylinder engines)
   - 6.4. Power supply system of diesel engines
      6.4.2. Technical characteristics
      6.4.3. Air filter
      6.4.4. Rope of an accelerator and elements of a pedal of an accelerator
      6.4.5. Fuel level sensor
      6.4.6. Fuel tank
      + 6.4.7. The injecting pump
      6.4.8. Speed of idling and maximum speed of operation of the AAS engine
      6.4.9. Mode of fast idling (AAS engine)
      6.4.10. Residual volume of fuel (AAS engine)
      6.4.11. Fuel injectors
      6.4.12. Control system of operation of the diesel engine
      6.4.13. Inlet collector
   6.5. Device of service of heating
   6.6. Diagnostics of malfunctions of system of heating
   6.7. Conditioner: not only "pluses", but also "minuses"
   6.8. Rules of service of the conditioner
+ 7. Exhaust system
+ 8. Systems of start, ignition
+ 9. Transmission
+ 10. Brake system
+ 11. Suspension brackets, steering
+ 12. Body
+ 13. Electric equipment
+ 14. Good advice

6.4.2. Technical characteristics

GENERAL INFORMATION

Operating procedure of cylinders
4-cylinder engines	1–3–4–2
5-cylinder engines	1–2–4–5–3
Maximum speed of operation of the engine
1Z and AHU	5200 rpm
AVR, AAT and AEL	5500 rpm
AAS	4800 ± 100 rpm
Speed of idling
1Z and AHU (is not regulated)	780-900 rpm
AVR (is not regulated)	800-840 rpm
AAT and AEL (is not regulated)	710-820 rpm
AAS	800-900 rpm
The injecting pump
Advancing of injection of fuel:
– control value:
• ABP	0,28-0,42 mm
• AAT and AEL	0,18-0,32 mm
• AAS	0,93-1,07 mm
– adjusting value:
• 1Z and AHU	0,70 ± 0,02 mm
– preliminary value:
• АВР	0,42 mm
• AAT and AEL	0,32 mm
– final value:
• АВР	0,35 ± 0,02 mm
• AAT and AEL	0,25 ± 0,02 mm
• AAS	1,00 ± 0,02 mm
Injectors
Pressure of opening	New injectors	The minimum admissible
1Z, AHU and AAT	190-200 Bar	170 Bar
АВР	190-195 Bar	165 Bar
AAS	130-138 Bar	120 Bar

Moments of an inhaling of carving connections

Fixing bolt of a back asterisk of a camshaft (AVR, AAT and AEL)	50
Fastening of the valve of adjustment of pressure	45
Locking valve (1Z and AHU)	20
Locking valve (AVR, AAT and AEL)	40
Connections of fuel tubes (1Z and AHU)	25
Connections of fuel tubes (AVR, AAT and AEL)	30
Fuel tank	20
Nut of a natyazhitel of a driving belt of the injecting pump (AVR, AAT and AEL)	45
Bolts of connections of a banjo of the injecting pump (1Z and AHU)	25
Bolts of connections of a banjo of the injecting pump (AVR, AAT and AEL)	20
Fastening of the injecting pump (AVR, AAT and AEL)	20
Fastening and fixing arm of the injecting pump (1Z and AHU)	25
Fixing arm of the injecting pump (AVR, AAT and AEL)	45
Asterisk of the injecting pump	45
Adjusting cap of the injecting pump (AVR, AAT and AEL)	20
Casing of the injecting pump	10
Injectors (AAS)	70
Fixing bolts of injectors (1Z, ABP, AAT and AEL)	20
Connections of a hose of the return pipeline on the injecting pump	28
Valve of system of start of the engine	12