Audi A4

Since 1994 of release

Repair and car operation



Audi А4
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ Exhaust system
+ Cooling system
+ Fuel tank and the fuel pump
+ The air filter and channels всасывания
+ Injection system
+ Coupling
+ Transmission and the main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tyres
+ The electrotechnical equipment
+ Ignition system
+ Illumination
+ The alarm equipment
+ Tools and devices
+ Heating and ventilation
+ Body details
+ Salon
Search of malfunctions
Technical characteristics
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Technical characteristics

The engine

Type
1,6
1,8
1,8 Turbo
2,6 V6
2,8 V6
Letter designation
ADP
ADR
AEB
ABC
AAH
Quantity of cylinders
4
4
4
6
6
Design
The four-clock engine рядной designs (four-cylinder) and a V-shaped design (six-cylinder) with the water
Cooling
Внутр. Diameter of the cylinder of mm
81,0
81,0
81,0
82,5
82,5
Mm piston stroke
77,4
86,2
86,4
81,0
86,5
Working volume, sm 3
1595
1781
1781
2598
2771
Compression
10,3:1
10,3:1
9,5:1
10,0:1
10,3:1
The maximum capacity of kw
74
92
110
110
128
At rpm
5300
5800
5700
5750
5500
The maximum twisting moment of Nanometer
250
140
173
210
225
At rpm
3800
3950
1750
3500
3000
Management of valves
By means of the cam-shaft located from above (ов) with тарелочными pushers and hydraulic alignment of a backlash of valves
Кол. Valves on each cylinder
2
5
5
2
2
Cam-shafts
1
2
2
2
2
Pressure of compression a bar
9–14
9–14
10–13
9–14
9–14
The minimum size a bar
7,5
7,5
7,5
7,5
7,5
Greasing system
Circulating greasing under pressure with the replaced filter in the main stream of oil
Pressure of oil at 80 °С and 2000 rpm) a bar
Minute 2,0
Minute 2,0
Minute 2,0
4,5–6,0
4,5–6,0

Cooling system

The end откр. The thermostat

Type Water circulating cooling with лопастным the pump, the thermostat, a radiator from easy metal, a broad tank and вязкостным the fan or температурнозависимым the fan with the electric drive (in cars with the strengthened cooling)
 
Клиноременный
Клиноременный
Клиноременный
Klinorebristyj belt
Drive of the water pump Apprx. °С
87
87
87
87
87
The beginning откр. The thermostat Apprx. °С
102
102
102
102
102
Зап. A cover сист. охл.:
The elevated pressure valve opens at a bar
1,2–1,5
1,2–1,5
1,2–1,5
1,2–1,5
1,2–1,5
The valve of the lowered pressure opens at a bar
0,06–0,1
0,06–0,1
0,06–0,1
0,06–0,1
0,06–0,1
Temperatures of switching of the fan of a radiator with the electric drive
See the table

Fuel system

Demanded kind of fuel ROZ
95 1)
95 1)
95 1)
) 95 2)
95 2) 3)
The fuel pump The fuel pump in a fuel tank with the electric drive

1) at 91 ROZ with small loss of capacity
2) 91 ROZ only as a last resort without full loading on the engine
3) at 98 ROZ the raised twisting moment

Gasoline injection

Пригот. A working mix
Bosch-Motronic 3.2
Bosch-Motronic 3.2
Bosch-Motronic 3.2

MPFI
Датч. давл. In an admission. коллек.
MPI
Измер. Air stream
Amendment of weight of air
Amendment of weight of air
Amendment of weight of air
3,8–4,2
Amendment of weight of air
Pressure of fuel a bar
Давл. Top l. On turns х.х.:
Vacuum. A hose подсоедин. A bar
Nearby 3,5
Nearby 3,5
Nearby 3,5
3,2–3,8
Vacuum. The hose is disconnected a bar
Nearby 4,0
Nearby 4,0
Nearby 4,0
3,8–4,2
Keeping давл. After off ignition:
Through 10 mines of minute a bar
2,5
2,5
2,5
Through 10 mines (дв. холодн.) minute a bar
2,2
2,2
Through 10 mines (дв. Hot) minute a bar
3,0
3,0
Resistance on the injection valve: at room to temperature the Ohm
14–16
11–13
11–13
13,5–17
13,5–17
Turns х. х. Rpm (are not established)
820–900
820–900
820–900
680–820
650–750
Number of turns of switching-off of rpm
6500
6800
6800
6500
6200

Moment transfer

Coupling One-disk dry coupling with a hydraulic drive
Disk of coupling Ш mm
210
228
228
240
240
Механ. A transmission (a drive on forward wheels)
012
012
012
012
012
Letter designation
CTD
CPD
CTE
CTG
CTJ
Transfers 1st
3,500
3,500
3,500
3,500
3,500
2nd
2,118
2,118
2,118
1,842
1,842
3rd
1,300
1,429
1,300
1,300
1,300
4th
0,943
1,029
1,029
0,943
0,943
5th
0,789
0,838
0,838
0,789
0,789
Backing
3,444
3,444
3,444
3,444
3,444
The main transfer
4,556
4,111
3,700
3,889
3,700
Type
1,6
1,8
1,8 Turbo
2,6 V6
2,8 V6
Механ. A transmission (quattro)
01А
01А
01А
01А
Letter designation
CPU
CTF
CTH
CTK
Transfers 1st
3,500
3,778
3,500
3,500
2nd
2,118
2,176
1,842
1,842
3rd
1,300
1,429
1,300
1,300
4th
0,943
1,029
0,943
0,943
5th
0,789
0,789
0,789
0,789
Backing
3,444
3,444
3,444
3,444
The main transfer
4,556
3,889
4,111
3,889
The main transfer behind (quattro)
01Н
01Н
01Н
01Н
Letter designations
СКК
СКН
CKJ
CKH
Transfer
4,556
3,889
4,111
3,889
Automatic transmission (a drive on forward wheels)
01N.A
01N.A
01V.F
01V.E
Letter designation
CUW
CUW
CJU
CJV
Transfers 1st
2,717
2,717
3,665
3,665
2nd
1,551
1,551
1,999
1,999
3rd
1,000
1,000
1,407
1,407
4th
0,679
0,679
1,000
1,000
5th
0,742
0,742
Backing
2,111
2,111
4,096
4,096
The main transfer
4,444
4,444
2,727
2,727

Running gear

Suspension bracket of forward wheels With four cross-section levers of an independent suspension bracket for each wheel, amortisation racks and the stabilizer
Steering Реечное steering сервоуправление
Suspension bracket of back wheels The interfaced axis with amortisation racks and the stabilizer
Forward приводquattro With two cross-section levers of an independent suspension bracket for each wheel, amortisation racks and the stabilizer
Tyres and rims See the table

Brake system

Foot brake

74-110 kw
128 kw
 
Hydraulic two-planimetric brake system with a diagonal arrangement of contours, the vacuum brake amplifier, four-channel system of antiblocking with electronic control of brake effort
Forward brakes
One-piston support disk brake with automatic adjustment
Brake disks
The all-metal
With internal ventilation
Diameter of brake disks of mm
280 (Lucas), 288 (ATE)
288
Thickness торм. Disks new/minute mm
13/11 (Lucas) and 15/13 (АТЕ)
25/23
Thicknesses. торм. The overlays, new/minute mm
14/2 (without a bearing plate)
14/2 (without a bearing plate)
Back brakes
One-piston support disk brake with automatic adjustment of a lay brake
Diameter of a brake disk of mm
245
245
Thicknesses. торм. Disks new/minute mm
10/8
10/8
Thickness of overlays new/minute mm
12/2 (without a bearing plate)
12/2 (without a bearing plate)

Electric system

The accumulator 12 В/36 А·час, 12 В/44 А·час or 12 В/70 А·ч
The generator 14 В/70 А/980 Vt, 14 В/90 А/1260 Vt or 14 В/120 А/1680 Vt
Klinovoj belt and-or клиноребристый a belt The Help see at malfunctions
System of ignition of 1,6 l of 74 kw Bosch Motronic, with the distributor of the ignition, one coil of ignition and detonation adjustment
1,8 l of 92 kw Bosch Motronic, without the distributor with two two-functional coils of ignition and detonation adjustment
1,8 l Turbo of 110 kw Bosch Motronic, without the distributor with four separate coils of ignition and detonation adjustment
2,6 l of 110 kw MPFI, without the distributor with three two-functional coils of ignition and detonation adjustment
2,8 l of 128 kw MPI, without the distributor with three two-functional coils of ignition and detonation adjustment
Spark plugs See the table

Refuelling volumes, l

The engine
1,6 l without/with filter replacement/oh
2,8/3,3
1,8 l without/with filter replacement/oh
3,4/3,9
The six-cylinder engine
Without/with filter replacement/oh
4,5/5,0
System of cooling with heating
The four-cylinder engine
7,0
The six-cylinder engine
6,0
Fuel tank
Forward drive
62
quattro
60
System of washing of glasses
3,5
System of washing of glasses and headlights
6,5
Mechanical transmission
Forward drive
2,25
quattro
2,75
The main transfer behind quattro
1,9
Automatic transmission
New refuelling at a 4-step transmission
5,4
New refuelling at a 5-step transmission
9,0
The main transfer at a 4-step transmission
1,0
The main transfer at a 5-step transmission
075