Audi 100

1982-1990 of release

Repair and operation of the car




Audi 100
+ 1.1. Governing bodies and devices
- 2. Technical characteristics
   2.1. Introduction
   2.2. Technical characteristics of cars
   2.3. Technical characteristics of petrol engines
   2.4. Technical characteristics of diesel engines
   2.5. Operational liquids
   2.6. Moments of an inhaling of responsible threaded connections
   2.7. Tarirovochny data of carburetors
   2.8. Nominal and repair sizes of details and limits of admissible iznos
+ 3. Engines
+ 4. Cooling system
+ 5. Exhaust system
+ 6. Power supply system
+ 7. Transmission
+ 8. Running gear
+ 9. Steering
+ 10. Brake system
+ 11. Body
+ 12. Electric equipment










2.8. Nominal and repair sizes of details and limits of admissible iznos

GENERAL INFORMATION

Four-cylinder engines

 
inlet valve
final valve
Outer diameter of a saddle of the valve, mm
37,2
32,4
(32,8 for release DS till September, 1985)
Width of a working facet, mm
2,0
2,4
Deepening of the plane of a saddle concerning the plane of a head of the block, mm
9,2
9,7
Facet corner, hail
45
45
Corner of the top cone, hail
30
30
Diameter of an opening in the directing plugs of valves, mm
8,013 – 8,035
8,013 – 8,035
Maximum permissible gap between a core of the valve and the directing plug, mm
1,0
1,3
Diameter of a plate of the valve, mm
28,0
33,0
Diameter of a core of the valve, mm
7,97
7,95
Maximum width of a working facet, admissible at polishing, mm
3,5
is not subject to polishing
The minimum height of a plate of the valve to a facet, mm
0,5
is not subject to polishing
Length of the valve, mm:
  – the nominal
98,7 (91,0 for the NP engine)
98,5 (90,8 for the NP engine)
  – the minimum
98,2 (90,5 for the NP engine)
98,0 (90,3 for the NP engine)
Corner of a working facet of the valve, hail
45
45
Gap between cams of a camshaft and adjusting washers of pushers of valves, mm:
  – at a temperature of cooling liquid of 35 °C
0,25 ± 0,05
0,45 ± 0,05
  – at a temperature of cooling liquid of 20 °C
0,20 ± 0,05
0,40 ± 0,05
Gap between the piston and the cylinder of the engine, mm
0,03
The most admissible gap between the piston and the cylinder, mm
0,08
Diameter of cylinders, mm:
  – the nominal
81,01
  – the 1st repair
81,26
  – the 2nd repair
81,51
  – the 3rd repair
82,01
Diameter of necks of a cranked shaft, mm:
the radical
shatunny
  – the nominal
54,0-0,022 - 0,042
47,8-0,022 - 0,042
  – the 1st repair
53,75-0,022 - 0,042
47,55-0,022 - 0,042
  – the 2nd repair
53,5-0,022 - 0,042
47,3-0,022 - 0,042
  – the 3rd repair
53,2-0,022 - 0,042
47,05-0,022 - 0,042
Diameter of inserts of bearings, mm:
  – the nominal
53,96 – 53,98
47,76 – 47,79
  – the 1st repair
53,71 – 53,73
47,51 – 47,53
  – the 2nd repair
53,46 – 53,48
47,26 – 47,29
  – the 3rd repair
53,21 – 53,23
47,01 – 47,03
Maximum admissible ovality, mm
0,03
Axial gap of a cranked shaft, mm:
  – the nominal
0,07 – 0,17
  – the maximum admissible
0,25
Gap between radical inserts and necks of a cranked shaft, mm:
  – the nominal
0,03 – 0,08
  – maximum permissible
0,17
Diameter of the piston, mm:
  – the nominal
80,98
  – the 1st repair
81,23
  – the 2nd repair
81,48
  – the 3rd repair
81,98
Dredging depth in a head of the piston, mm
DR 8,1
DS, NP4,4
Length of a piston finger, mm
57 (54 releases till July, 1985)
Gap in the lock of piston rings, mm:
the compression
the oil scraper
  – the nominal
0,3 – 0,45
0,25 – 0,5
  – maximum permissible
1,0
1,0
Gap between rings and a flute in the piston, mm:
  – the nominal
0,02 – 0,05
  – maximum permissible
1,05
Maximum permissible gap between shatunny inserts and necks of a cranked shaft, mm
0,12
Maximum permissible axial gap of a rod on a neck of a cranked shaft, mm
0,37
Maximum permissible axial gap of a camshaft at the removed pushers, mm
0,15
Radial beating of necks of a camshaft, mm, no more
0,01
Diameter of necks of a camshaft, mm:
  – the nominal
26,0
  – the repair
25,75
Minimum height of a head of the block, mm
132,6
Gap between teeths of gear wheels of the oil pump, mm:
  – the nominal
0,05
  – maximum permissible
0,2
Gap between the outer diameter of gear wheels and a pump housing, mm
0,15

Five-cylinder engines

 
inlet valve
final valve
Outer diameter of a saddle of the valve, mm
37,2
30,8
Width of a working facet, mm
2,0
2,0
Deepening of the plane of a saddle concerning the plane of a head of the block, mm
9,6
9,0
Facet corner, hail
45
45
Corner of the top cone, hail
30
30
Diameter of an opening in the directing plugs of valves, mm
8,013 – 8,035
8,013 – 8,035
Maximum permissible gap between a core of the valve and the directing plug, mm
1,0
1,3
Diameter of a plate of the valve, mm
38,0
33,0
Diameter of a core of the valve, mm
7,97
7,95
Maximum width of a working facet, admissible at polishing, mm
3,5
is not subject to polishing
The minimum height of a plate of the valve to a facet, mm
0,5
is not subject to polishing
Length of the valve, mm:
  – the nominal
91,0
90,8
  – the minimum
90,05
90,3
Corner of a working facet of the valve, hail
45
45
Gap between cams of a camshaft and adjusting washers of pushers of valves, mm:
  – at a temperature of cooling liquid of 35 °C
0,25 ± 0,05
0,45 ± 0,05
  – at a temperature of cooling liquid of 20 °C
0,20 ± 0,05
0,40 ± 0,05
The maximum admissible gap between the piston and the cylinder, mm
0,07
Diameter of the cylinder, mm:
  – engines of 1,9 l and 2,2 l:
     • the nominal
79,51
     • the 1st repair
79,76
     • the 2nd repair
80,01
     • the 3rd repair
80,51
  – engines of 2,0 l and 2,3 l:
     • the nominal
81,01 (82,51 for dvig. NF)
     • the 1st repair
81,26 (82,76 for dvig. NF)
     • the 2nd repair
81,51 (83,01 for dvig. NF)
Diameter of inserts of bearings, mm:
the radical
shatunny
  – the nominal
57,96 – 57,98
45,96 – 45,98
(47,76 – 47,78 engines of 2 l since July, 1983 other not a turbo since July, 1984)
  – the 1st repair
57,71 – 57,73
45,71 – 45,73
(47,51 – 47,53
engines of 2 l
since July, 1983 other not a turbo since July, 1984)
  – the 2nd repair
57,46 – 57,48
45,46 – 45,48
(47,26 – 47,28
engines of 2 l
since July, 1983 other not a turbo since July, 1984)
  – the 3rd repair
57,21 – 57,23
45,21 – 45,23
(47,01 – 47,03
engines of 2 l
since July, 1983 other not a turbo since July, 1984)
Axial gap of a cranked shaft, mm:
  – the nominal
0,07 – 0,18 (0,07 – 0,23 since 1984)
  – the maximum admissible
0,25
The most admissible gap between radical inserts and necks of a cranked shaft, mm
0,16
Diameter of the piston, mm:
  – engines of 1,9 l and 2,2 l:
     • the nominal
79,48
     • the 1st repair
79,73
     • the 2nd repair
79,98
     • the 3rd repair
80,48
  – engines of 2,0 l and 2,3 l:
     • the nominal
80,98 (82,48 for dvig. NF)
     • the 1st repair
81,23 (82,74 for dvig. NF)
     • the 2nd repair
81,48 (82,98 for dvig. NF)
Gap in the lock of piston rings, mm:
  – the nominal
0,25 – 0,5
  – maximum permissible
1,0
Gap between a ring and a flute in the piston, mm:
  – the nominal
0,02 – 0,08
  – maximum permissible
0,1
Maximum permissible gap between shatunny inserts and necks of a cranked shaft, mm
0,12
Maximum permissible axial gap of a rod on a neck of a cranked shaft, mm
0,4
Maximum permissible axial gap of a camshaft at the removed pushers, mm
0,15
The minimum height of a head of the block (between surfaces), mm
132,75

Coupling

The maximum admissible beating of the conducted disk, mm
0,5
The maximum admissible deflection of a press disk (an inner edge to external), mm
0,3
Maximum free wheeling of a pedal of coupling (hummock drive), mm
15
Coupling pedal height (hydraulic drive), mm
10 mm higher than a brake pedal

Transmission (transfer numbers)

Transfer
Transmission 014
QN
4X
The main
4,11
4,11
The 1st
3,46
3,36
The 2nd
1,79
1,79
The 3rd
1,07
1,07
The 4th
0,7
0,7
Backing
3,17
3,17

Transfer
Transmission 013
3T
HE
HF
The main
4,11
4,11
4,11
The 1st
3,46
3,46
3,46
The 2nd
1,79
1,79
1,79
The 3rd
1,07
1,13
1,13
The 4th
0,78
0,83
0,83
The 5th
0,6
0,68
0,68
Backing
3,17
3,17
3,17

Transfer
Transmission 093 3Q
The main
5,22
The 1st
2,84
The 2nd
1,52
The 3rd
0.9
The 4th
0,64
The 5th
0,48
Backing
3,16

Transfer
Transmission 016
AAZ
3V
3K
5N
3U
The main
3,89
3,89
3,89
4,11
4,11
The 1st
3,6
3,6
3,6
3,6
3,6
The 2nd
2,13
2,13
2,13
2,13
1,86
The 3rd
1,46
1,46
1,36
1,46
1,19
The 4th
1,07
1,07
0,97
0,97
0,84
The 5th
0,86
0,83
0,78
0,73
0,64
Backing
3,5
3,5
3,5
3,5
3,5

Transfer
Transmission 012
QN
The main
3,888
The 1st
3,545
The 2nd
2,105
The 3rd
1,429
The 4th
1,029
The 5th
0,838
Backing
3,5
Limit wear of a ring of the synchronizer (all transmissions), mm
0,5

Automatic transmission


Automatic KP
087
089
Main transfer
3,08; 3,25; 3,45 (depending on engine model)
3,42
1st transfer
2,71
2,71
2nd transfer
1,5
1,5
3rd transfer
1,0
1,0
Backing
2,43
2,43
Maximum diameter of the plug of the hydrotransformer, mm
34,12
Maximum admissible ovality of the plug, mm
0,03

Drive of forward wheels

Model
Half shaft length (without CV JOINTS), mm
the right
the left
With the 4th cylinder engines
  – with mechanical transmission
579,2
540,7
  – with automatic transmission
540,7
598,5
With 5-cylinder engines:
  – with mechanical transmission
550,9
550,9
  – with automatic transmission
529,1
582,8

Forward brake

Diameter of a disk, mm
256,0 (276 since January, 1986)
Thickness of disks, mm
not ventilated
the ventilated
  – the nominal
13,0
22,0 (25,0 since January, 1986)
  – maximum permissible
20,0
23,0 (25,0 since January, 1986)
The most admissible beating of a disk, mm
0,06
Minimum thickness of a brake shoe, mm
7,05

Back drum brake

Diameter of a drum, mm:
  – the nominal
230,0
  – maximum permissible
231,0
The most admissible radial beating of a drum, mm
0,1
The most admissible lateral beating of a drum, mm
0,2
The most admissible thickness of an overlay of a brake shoe, mm
2,5
Diameter of the piston of the wheel brake cylinder
17,46

Back disk brake

Diameter of a disk, mm
245,0
Thickness of a disk, mm:
  – the nominal
10,0
  – maximum permissible
8,0
The most admissible beating of a disk, mm
0,06
Minimum thickness of a brake shoe, mm
7,0