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Audi 100/A61990-1997 of releaseRepair and car operation | 
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 Audi 100/A6 + 1. The maintenance instruction + 2. Maintenance service + 3. Engines + 3.2. Diesel engines - 3.3. Removal and a partition of engines - 3.3.2. Technical characteristics 3.3.2.2. The inhaling moments 3.3.3. Repair work, possible without engine dismantle + 3.3.4. Major repairs 3.3.5. Removal and engine installation 3.3.6. An engine partition + 3.3.7. A head of cylinders 3.3.8. Pistons and rods + 3.3.9. A cranked shaft 3.3.10. An intermediate shaft 3.3.11. The block of cylinders 3.3.12. Radical bearings and bearings of rods 3.3.13. Piston rings 3.3.14. The first start of the engine after a partition + 4. Cooling system + 5. Heating and ventilation + 6. Fuel system + 7. An exhaust system + 8. Systems of start, ignition + 9. Transmission + 10. Brake system + 11. Suspension brackets, a steering + 12. A body + 13. An electric equipment + 14. A good advice  | 
3.3.2. Technical characteristics
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| 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 | 
  0,05 – 0,08 mm  
  | 
| Maslosemnoe ring | 
  0,03 – 0,06 mm  
  | 
| The maximum deterioration: | |
| Kompressionnye rings | 
  0,25 mm  
  | 
| Maslosemnoe ring | 
  0,15 mm  
  | 
| 5 cylinders, diesel engine AAS: | |
| – New: | |
| Top компрессионное a ring | 
  0,09 – 0,12 mm  
  | 
| The second компрессионное a ring | 
  0,05 – 0,08 mm  
  | 
| Maslosemnoe ring | 
  0,03 – 0,06 mm  
  | 
| The maximum deterioration: | |
| Kompressionnye rings | 
  0,25 mm  
  | 
| Maslosemnoe ring | 
  0,15 mm  
  | 
| 5 cylinders, diesel engine AAT: | |
| – New: | |
| Top компрессионное a ring | 
  0,07 – 0,105 mm  
  | 
| The second компрессионное a ring | 
  0,05 – 0,075 mm  
  | 
| Maslosemnoe ring | 
  0,03 – 0,065 mm  
  | 
| The maximum deterioration: | |
| Kompressionnye rings | 
  0,25 mm  
  | 
| Maslosemnoe ring | 
  0,15 mm  
  | 
| Pistons and piston rings (continuation) | |
| 
  Trailer backlashes of piston rings 
  | |
| 4 cylinders, petrol ADR: | |
| – New: | |
| Kompressionnye rings | 
  0,15 – 0,40 mm  
  | 
| Maslosemnoe ring | 
  0,25 – 0,50 mm  
  | 
| Ring from 3 parts | 
  Less than 1,00 mm  
  | 
| The maximum deterioration: | |
| Kompressionnye rings | 
  0,80 mm  
  | 
| Maslosemnoe ring | 
  1,0 mm  
  | 
| Ring from 3 parts | 
  1,30 mm  
  | 
| 4 cylinders, petrol AAE, ABK, AAD: | |
| – New: | |
| Kompressionnye rings | 
  0,30 0,45  
  | 
| Maslosemnoe ring | 
  0,25 – 0,45 mm  
  | 
| The maximum deterioration | 
  1,0 mm  
  | 
| 4 cylinders, petrol to ASYA: | |
| – New: | |
| Kompressionnye rings | 
  0,20 – 0,40 mm  
  | 
| Maslosemnoe ring | 
  0,2–0,50 mm  
  | 
| The maximum deterioration | 
  1,0 mm  
  | 
| 5 cylinders, petrol AAR, AAN: | |
| – New: | |
| Kompressionnye rings | 
  0,02 – 0,07 mm  
  | 
| Maslosemnoe ring | 
  0,02 – 0,06 mm  
  | 
| The maximum deterioration | 
  0,15 mm  
  | 
| 4 cylinders, diesel engine 1Z, AHU: | |
| – New: | |
| Kompressionnye rings | 
  0,20 – 0,40 mm  
  | 
| Maslosemnoe ring | 
  0,25 – 0,50 mm  
  | 
| The maximum deterioration | 
  1,0 mm  
  | 
| 5 cylinders, diesel engine AAS: | |
| – New: | |
| Kompressionnye rings | 
  0,20 – 0,40 mm  
  | 
| Maslosemnoe ring | 
  0,25 – 0,50 mm  
  | 
| The maximum deterioration: | |
| Top компрессионное a ring | 
  1,20 mm  
  | 
| The second компрессионное a ring | 
  0,60 mm  
  | 
| Maslosemnoe ring | 
  1,20 mm  
  | 
| 5 cylinders, diesel engine ABP, AAT, AEL: | |
| – New: | |
| Top компрессионное a ring | 
  0,25 – 0,45 mm  
  | 
| The second компрессионное a ring | 
  0,20 – 0,40 mm  
  | 
| Maslosemnoe ring | 
  0,25 – 0,50 mm  
  | 
| The maximum deterioration | 
  1,0 mm  
  | 
| 
  Valves 
  | |
| Diameter of a rod of the valve: | |
| The inlet: | |
| ADR | 
  5,95-5,97 mm  
  | 
| AAE, ABK, AAD, AAR, 1Z, AHU, AAS, ABP, AAT, AEL, AAN | 
  7,97 mm  
  | 
| ACE | 
  6,97 mm  
  | 
| The final: | |
| ADR | 
  5,94 – 5,95 mm  
  | 
| AAE, ABK, AAD, AAR, 1Z, AHU, AAS, ABP, AAT, AEL, AAN | 
  7,95 mm  
  | 
| ACE | 
  6,94 mm  
  | 
| The maximum deviation of a head of the valve: | |
| The inlet: | |
| ADR | 
  0,8 mm  
  | 
| AAE, ACE, ABK, AAD, AAR, AAN | 
  1,0 mm  
  | 
| 1Z, AHU, AAS, ABP, AAT, AEL | 
  1,3 mm  
  | 
| The final: | |
| ADR | 
  0,8 mm  
  | 
| AAE, ACE, ABK, AAD, AAR, AAN | 
  1,3 mm  
  | 
| 1Z, AHU, AAS, ABP, AAT, AEL | 
  1,3 mm  
  | 
| 
  Camshaft 
  | |
| The maximum free wheeling: | |
| The inlet: | |
| AAE, ACE, ABK, AAD, AAR, 1Z, AHU, AAS, ABP, AAT, AEL, AAN | 
  0,15 mm  
  | 
| ADR | 
  0,20 mm  
  | 
| Palpation (all types) | 
  0,01 mm  
  | 
| The maximum lubricant backlash (all models) | 
  1,10мм  
  | 
| 
  Intermediate shaft 
  | |
| The maximum free wheeling: | |
| ADR, AAE, ACE, ABK, AAD, 1Z, AHU | 
  0,25 mm  
  | 
| 
  The block of cylinders 
  | |
| Diameter of the cylinder: | |
| ADR: | |
| The standard | 
  81,01 mm  
  | 
| Increased, after the first расточки | 
  81,26 mm  
  | 
| Increased, after the second расточки | 
  81,51 mm  
  | 
| The maximum deterioration of the cylinder | 
  0,10 mm  
  | 
| AAE, ACE, ABK, AAD, AAR, AAN: | |
| The standard | 
  82,51 mm  
  | 
| Increased, after the first расточки | 
  82,76 mm  
  | 
| Increased, after the second расточки | 
  83,01 mm  
  | 
| The maximum deterioration of the cylinder | 
  0,08 mm  
  | 
| 1Z, AHU, AAS: | |
| The standard | 
  79,51 mm  
  | 
| Increased, after the first расточки | 
  79,76 mm  
  | 
| Increased, after the second расточки | 
  80,01 mm  
  | 
| The maximum deterioration of the cylinder: | |
| 1Z, AHU | 
  0,10 mm  
  | 
| AAS | 
  0,08 mm  
  | 
| ABP, AAT, AEL: | |
| The standard | 
  81,01 mm  
  | 
| Increased, after the first расточки | 
  81,26 mm  
  | 
| The maximum deterioration of the cylinder | 
  0,08 mm  
  | 
| 
  Rods  
  | |
| Lateral backlash of the bottom head of a rod: | |
| AAE, ACE, ABK, AAD, 1Z, AHU | 
  0,37 mm  
  | 
| ACE, AAR, AAS, ABP, AAT, AEL, AAN | 
  0,4 mm  
  | 
| 
  Cranked shaft 
  | |
| Depth of the aligning needle bearing | 
  1,5 mm  
  | 
| Free wheeling: | |
| Face value: | |
| Petrol ADR, AAR, AAN | 
  0,07 – 0,23 mm  
  | 
| Petrol AAE, ABK, AAD | 
  0,017 – 0,17 mm  
  | 
| Petrol ACE | 
  0,07 – 0,17 mm  
  | 
| Diesel engine 1Z, AHU | 
  0,07 – 0,17 mm  
  | 
| Diesel engine AAS, ABP, AAT, AEL | 
  0,07 – 0,18 mm  
  | 
| The maximum deterioration: | |
| Petrol ADR | 
  0,30 mm  
  | 
| Petrol AAR, AAN | 
  0,25 mm  
  | 
| Petrol AAE, ABK, AAD, ACE | 
  0,25 mm  
  | 
| Diesel engine 1Z, AHU | 
  0,37 mm  
  | 
| Diesel engine AAS, ABP, AAT, AEL | 
  0,25 mm  
  | 
| Lubricant backlash of the radical bearing: | |
| Petrol ADR, AAE, ACE, ABK, AAD | 
  0,17 mm  
  | 
| Petrol AAR, AAN | 
  0,10 mm  
  | 
| Diesel engine 1Z, AHU | 
  0,17 mm  
  | 
| Diesel engine AAS, ABP, AAT, AEL | 
  0,16 mm  
  | 
| Diameter of a neck of the radical bearing: | |
| 4 cylinders, petrol ADR, AAE, ACE, ABK, AAD: | |
| The standard | 
  54,00 mm  
  | 
| Reduced, after the first grinding | 
  53,75 mm  
  | 
| Reduced, after the second grinding | 
  53,50 mm  
  | 
| Reduced, after the third grinding | 
  53,25 mm  
  | 
| 5 cylinders, petrol AAR, AAN: | |
| The standard | 
  58,00 mm  
  | 
| Reduced, after the first grinding | 
  57,75 mm  
  | 
| Reduced, after the second grinding | 
  57,50 mm  
  | 
| Reduced, after the third grinding | 
  57,25 mm  
  | 
| 4 cylinders, diesel engine 1Z, AHU: | |
| The standard | 
  54,00 mm  
  | 
| Reduced, after the first grinding | 
  53,75 mm  
  | 
| Reduced, after the second grinding | 
  53,50 mm  
  | 
| Reduced, after the third grinding | 
  53,25 mm  
  | 
| 5 cylinders, diesel engine AAS, ABP, AAT, AEL: | |
| The standard | 
  58,00 mm  
  | 
| Reduced, after the first grinding | 
  57,75 mm  
  | 
| Reduced, after the second grinding | 
  57,50 mm  
  | 
| Reduced, after the third grinding | 
  57,25 mm  
  | 
| Diameter of a neck of a rod: | |
| All engines: | |
| The standard | 
  47,80 mm  
  | 
| Reduced, after the first grinding | 
  47,55 mm  
  | 
| Reduced, after the second grinding | 
  47,30 mm  
  | 
| Reduced, after the third grinding | 
  47,05 mm  
  | 
| The maximum ovality  | 
  0,03 mm  
  |