Audi A4

since 1994 release

Repair and operation of the car


A4 Audi
+ Running gear
+ Regular servicing
+ Engines
+ Turbo-supercharging
+ System of an exhaust
+ Cooling system
+ Fuel tank and fuel pump
+ Air filter and channels of absorption
+ System of injection
+ Coupling
+ Transmission and main transfer
+ Suspension bracket of wheels and steering
+ Brakes
+ Wheels and tires
+ Electrotechnical equipment
+ System of ignition
+ Lighting
+ Alarm equipment
+ Tools and devices
+ Heating and ventilation
+ body Details
+ Salon
Search of malfunctions
Technical characteristics



Technical characteristics

Engine

Type
1,6
1,8
1,8 Turbo
2,6 V6
2,8 V6
Alphabetic reference
ADP
ADR
AEB
ABC
AAH
Number of cylinders
4
4
4
6
6
Design
The four-clock engine of a line design (four-cylinder) and a V-shaped design (six-cylinder) with the water
cooling
Vnutr. 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, cm 3
1595
1781
1781
2598
2771
Compression
10,3:1
10,3:1
9,5:1
10,0:1
10,3:1
Maximum power of kW
74
92
110
110
128
at rpm
5300
5800
5700
5750
5500
Maximum torque of Nanometer
250
140
173
210
225
at rpm
3800
3950
1750
3500
3000
Control of valves
By means of the cam-shaft(s) located from above with tarelochny pushers and hydraulic alignment of a gap of valves
Stake. valves on each cylinder
2
5
5
2
2
Cam-shafts
1
2
2
2
2
Pressure of compression of bars
9–14
9–14
10–13
9–14
9–14
Minimum size of bars
7,5
7,5
7,5
7,5
7,5
Lubrication system
Circulating greasing under pressure with the replaced filter in the main stream of oil
Oil pressure at 80 °C and 2000 rpm) bar
Min. 2,0
Min. 2,0
Min. 2,0
4,5–6,0
4,5–6,0

Cooling system

End otkr. thermostat

Type Water circulating cooling with the bladed pump, the thermostat, a radiator from light metal, a broad tank and the viscous fan or the temperaturnozavisimy fan with the electric drive (in cars with the strengthened cooling)
 
Klinoremenny
Klinoremenny
Klinoremenny
Klinorebristy belt
The drive of the water pump Apprx. °C
87
87
87
87
87
Beginning otkr. the thermostat Apprx. °C
102
102
102
102
102
Zap. cover sist. chilled:
The valve of an elevated pressure opens at 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 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

Fuel system

The demanded type of ROZ fuel
95 1)
95 1)
95 1)
) 95 2)
95 2)3)
Fuel pump The fuel pump in a fuel tank with the electric drive

1) at 91 ROZ with small loss of power
2) 91 ROZ only as a last resort without full load of the engine
3) at 98 ROZ raised torque

Gasoline injection

Prigot. working mix
Bosch-Motronic 3.2
Bosch-Motronic 3.2
Bosch-Motronic 3.2

MPFI
Datch. davl. in an admission. kollek.
MPI
Izmir. air stream
Amendment of mass of air
Amendment of mass of air
Amendment of mass of air
3,8–4,2
Amendment of mass of air
Pressure of fuel of bars
–
–
–
–
–
Davl. topl. on turns h.kh.:
vacuum. hose podsoyedin. bar
About 3,5
About 3,5
About 3,5
–
3,2–3,8
vacuum. the hose is disconnected bar
About 4,0
About 4,0
About 4,0
–
3,8–4,2
Keeping davl. after off ignition:
in 10 min. min. bars
2,5
2,5
2,5
–
–
in 10 min. (dv. holodn.) min. bar
–
–
–
2,2
2,2
in 10 min. (dv. hot) min. bar
–
–
–
3,0
3,0
Resistance on the injection valve: at room to temperature of Ohms
14–16
11–13
11–13
13,5–17
13,5–17
Turns x. x. rpm (are not established)
820–900
820–900
820–900
680–820
650–750
Number of turns of shutdown of rpm
6500
6800
6800
6500
6200

Transfer of the moment

Coupling One-disk dry coupling with the hydraulic drive
Disk of coupling of Ø of mm
210
228
228
240
240
Mekhan. a transmission (the drive on forward wheels)
012
012
012
012
012
Alphabetic reference
CTD
CPD
CTE
CTG
CTJ
Transfers the 1st
3,500
3,500
3,500
3,500
3,500
The 2nd
2,118
2,118
2,118
1,842
1,842
The 3rd
1,300
1,429
1,300
1,300
1,300
The 4th
0,943
1,029
1,029
0,943
0,943
The 5th
0,789
0,838
0,838
0,789
0,789
Backing
3,444
3,444
3,444
3,444
3,444
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
Mekhan. transmission (quattro)
–
01A
01A
01A
01A
Alphabetic reference
–
CPU
CTF
CTH
CTK
Transfers the 1st
–
3,500
3,778
3,500
3,500
The 2nd
–
2,118
2,176
1,842
1,842
The 3rd
–
1,300
1,429
1,300
1,300
The 4th
–
0,943
1,029
0,943
0,943
The 5th
–
0,789
0,789
0,789
0,789
Backing
–
3,444
3,444
3,444
3,444
Main transfer
–
4,556
3,889
4,111
3,889
Main transfer behind (quattro)
–
01H
01H
01H
01H
Alphabetic references
–
CKK
CKH
CKJ
CKH
Transfer
4,556
3,889
4,111
3,889
Automatic transmission (the drive on forward wheels)
01N.A
01N.A
–
01V.F
01V.E
Alphabetic reference
CUW
CUW
–
CJU
CJV
Transfers the 1st
2,717
2,717
–
3,665
3,665
The 2nd
1,551
1,551
–
1,999
1,999
The 3rd
1,000
1,000
–
1,407
1,407
The 4th
0,679
0,679
–
1,000
1,000
The 5th
–
–
–
0,742
0,742
Backing
2,111
2,111
–
4,096
4,096
Main transfer
4,444
4,444
–
2,727
2,727

Running gear

Suspension bracket of forward wheels With four cross levers of an independent suspension bracket for each wheel, depreciation racks and the stabilizer
Steering Rack steering servoupravleniye
Suspension bracket of back wheels The interfaced axis with depreciation racks and the stabilizer
Forward privodquattro With two cross levers of an independent suspension bracket for each wheel, depreciation racks and the stabilizer
Tires and rims See the table

Brake system

Foot brake

74-110 kW
128 kW
 
Hydraulic double-circuit brake system with a diagonal arrangement of contours, the vacuum brake amplifier, four-channel system of anti-blocking 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 torm. disks of new/min. mm
13/11 (Lucas) and 15/13 (ATE)
25/23
Thicknesses. torm. slips, new/min. mm
14/2 (without the bearing plate)
14/2 (without the bearing plate)
Back brakes
One-piston support disk brake with automatic adjustment of the parking brake
Diameter of a brake disk of mm
245
245
Thicknesses. torm. disks of new/min. mm
10/8
10/8
Thickness of overlays of new/min. mm
12/2 (without the bearing plate)
12/2 (without the bearing plate)

Electric system

Accumulator 12 B/36 A · hour, 12 B/44 A · hour or 12 B/70 A · h
Generator 14 B/70 A/980 W, 14 B/90 A/1260 W or 14 B/120 A/1680 W
Maple belt and/or klinorebristy belt see the Help at malfunctions
System of ignition of 1,6 l 74 kW Bosch Motronic, with the ignition distributor, one coil of ignition and adjustment of a detonation
1,8 l 92 kW Bosch Motronic, without distributor with two two-functional coils of ignition and adjustment of a detonation
1,8 l of Turbo of 110 kW Bosch Motronic, without distributor with four separate coils of ignition and adjustment of a detonation
2,6 l 110 kW MPFI, without distributor with three two-functional coils of ignition and adjustment of a detonation
2,8 l 128 kW MPI, without distributor with three two-functional coils of ignition and adjustment of a detonation
Spark plugs See the table

Filling volumes, l

Engine
1,6 l from replacement / oh the filter
2,8/3,3
1,8 l from replacement / oh the filter
3,4/3,9
Six-cylinder engine
from replacement / oh filter
4,5/5,0
The cooling system with heating
Four-cylinder engine
7,0
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 gas station at a 4-staged transmission
5,4
New gas station at a 5-staged transmission
9,0
The main transfer at a 4-staged transmission
1,0
The main transfer at a 5-staged transmission
075