Audi A4, S4
+ Introduction
+ Governing bodies and methods of safe operation
+ Current leaving and service
- Engine
Specifications
Removal and installation of the top cover of the engine / lower protection of a motive compartment / stretcher
Check of a compression in engine cylinders, identification of leaks
Check of the engine by means of the vacuum gage
+ 4-cylinder petrol engines
+ 6-and 8-cylinder petrol engines
+ 4-cylinder diesel engines
+ 6-cylinder diesel engines
+ engine Lubrication system
+ Cooling systems, heating and air conditioner
+ Power supply systems, release and decrease in toxicity of the fulfilled gases
+ Systems of electric equipment of the engine
+ Manual box of gear shifting
+ Automatic transmission
+ Coupling, power shafts and differential
+ Brake system
+ Suspension bracket and steering
+ Body
+ Onboard electric equipment
|
Engine
Specifications
|
|
Separate characteristics are provided also in the text of the Head and in case of obligation of their performance are highlighted in bold type. |
|
Characteristic |
Value |
| Petrol engines |
Line 4-cylinder and V-shaped 6-cylinder, aluminum, with water cooling, the DOHC type (1.6 l of OHC), the GRM belt drive, microprocessor management, the thermometric measuring instrument of mass of air and a turbocompressor on models 1.8T |
|
Diesel engines |
Line 4-cylinder (OHC) and V-shaped 6-cylinder (DOHC) with water cooling, the GRM belt drive and a turbocompressor |
Designation of the engine//Beginning of release
|
Characteristic |
Value
|
|
1.6
|
ALZ//with 11/00 |
| 1.8T |
AVJ//with 11/00 on 07/02 |
| 1.8T |
BFB//with 07/02 |
| 1.8T |
-//with 11/02 |
| 2.0 |
ALT//with 11/00 |
| 2.0FSI |
AWA//with 07/02 |
|
2.4
|
BDV//with 09/01 |
| 3.0 |
ASN//with 11/00 |
| S4 4.2 |
BBK//with 03/03 |
| 1.9TDI |
AVB//with 05/01 |
| 1.9TDI |
AWX, AVF//with 11/00 |
| 2.5TDI |
AYM, BCZ//with 08/01 on 07/02 |
| 2.5TDI |
BDG//with 07/02 |
| 2.5TDI |
AKE, BAU, BDH//with 11/00 |
Rated power, kW/h.p. (at rpm)
|
Characteristic |
Value |
| ALZ |
75/102 (((5600) |
| AVJ |
110/150 (((5700) |
| BFB |
120/163 (((5700) |
| 140/190 (((5700) |
| ALT |
96/130 (((5700) |
| AWA |
110/150 (((6000) |
| BDV |
125/170 (((6000) |
| ASN |
162/220 (((6300) |
| BBK |
253/344 (((7000) |
| AVB |
74/100 (((4000) |
| AWX, AVF |
96/130 (((4000) |
| AYM, BCZ |
114/155 (((4000) |
| BDG |
120/163 (((4000) |
| AKE, BAU, BDH |
132/180 (((4000) |
Nominal torque, Nanometer, at rpm
|
Characteristic |
Value |
| ALZ |
148/3600 |
| AVJ |
210/1750 |
| BFB |
225/1950 |
| 240/1950 |
| ALT |
195/3300 |
| AWA |
200/3250 |
| BDV |
230/3200 |
| ASN |
300/3200 |
| BBK |
410/3500 |
| AVB |
250/1900 |
| AWX |
285/1750 |
| AVF |
310/1900 |
| AYM, BCZ |
310/1500 |
| BDG |
310/1400 |
| AKE, BAU, BDH |
370/1500 |
Number and arrangement of cylinders/valves on cylinder/type
|
Characteristic |
Value |
|
1.6
|
4, line / 2/OHC |
| 1.8, 2.0 |
4, line / 5/DOHC |
| 2.0FSI |
4, line / 4/DOHC |
| 2.4, 3.0 |
6, V-shaped / 5/DOHC |
| S4 4.2 |
8, V-shaped / 5/DOHC |
| 1.9TDI |
4, line / 2/OHC |
| 2.5TDI |
6, V-shaped / 4/DOHC |
Operating procedure of cylinders
|
Characteristic |
Value |
| The 4-cylinder |
1-3-4-2 |
| V6 |
1-4-3-6-2-5 |
| V8 |
1-5-4-8-6-3-7-2 |
Working volume of cylinders, cm
of 3/Diameter
cylinders x Hod of pistons
|
Characteristic |
Value |
|
1.6
|
1596 / 81.0 x 77.4 |
| 1.8T |
1781 / 81.0 x 86.4 |
| 2.0 |
1984 / 82.5 x 92.8 |
|
2.4
|
2393 / 81.0 x 77.4 |
| 3.0 |
2976 / 82.5 x 92.8 |
|
4.2
|
4163 / 84.5 x 92.8 |
| 1.9TDI |
1896 / 79.5 x 95.5 |
| 2.5TDI |
2496 / 78.3 x 86.4 |
Extent of compression
|
Characteristic |
Value |
| 1.6, 2.0 |
10.3
|
| 1.8T |
9.3
|
| 2.0FSI |
11.5
|
| 2.4, 3.0 |
10.5
|
| S4 4.2 |
11.0
|
| 1.9TDI, 2.5TDI (AYM, BCZ, BDG, AKE) |
18.5
|
| 2.5TDI (BAU, BDH) |
19.5
|
Compression pressure
|
Characteristic |
Value |
|
1.6, 2.0 l |
10.0 — 13.0 |
|
|
7.0 |
|
1.8 l |
9.0 — 14.0 |
|
|
7.5 |
|
3.0, 4.2 l |
10.0 — 14.0 |
|
|
9.0 |
| 1.9 TDI l |
25.0 — 31.0 |
|
|
19.0 |
| 2.5 TDI l |
24.0 — 33.0 |
|
|
24.0 |
Oil pressure sensor switch
Pressure of operation, atm/colour of the case
|
Characteristic |
Value |
|
Petrol engines |
1.4±0.2/чёрный |
|
Diesel engines of 1.9 l |
0.7±0.15/коричневый |
|
Diesel engines of 2.5 l |
0.9±0.15/серый |
Control values of pressure of oil, at 80 °C
|
Characteristic |
Value |
|
L engines 1.6 and 2.0
|
2 atm. on turns h.kh.
2.7 – 4.5 atm. on turns 2000 in the min. |
|
Engine of 1.8 l
|
1.3 atm. on turns h.kh.
3.5 – 4.5 atm. on turns 2000 in the min. |
| Engine of 3.0 l |
1.8 atm. on turns h.kh.
4.0 atm. on turns 2000 in the min. |
| Engine of 4.2 l |
2.0 atm. on turns h.kh.
3.5 atm. on turns 3500 in the min. |
| L TDI 1.9 and 2.5 engines |
0.8 atm. on turns h.kh.
2.0 atm. on turns 2000 in the min. |
Efforts of a tightening of threaded connections, Nanometer
The moments of an inhaling of fixture are given also in the text of the Head and on some illyustratsiyakh*.
* The moments of an inhaling highlighted in the text in bold type are subject to exact observance; the efforts which are not highlighted in bold type are given only approximately.
|
Characteristic |
Value |
|
Bolts of fastening of a head of cylinders
|
|
L engine 1.6, 1.8, 2.0 and 3.0
|
| 1 reception |
20
|
| 2 reception |
40
|
| 3 reception |
on a corner 90 °
|
| 4 reception |
on a corner 90 °
|
|
Engine of 2.4 l
|
| 1 reception |
40
|
| 2 reception |
60
|
| 3 reception |
on a corner 90 °
|
| 4 reception |
on a corner 90 °
|
|
Engine of 4.2 l
|
| 1 reception |
30
|
| 2 reception |
60
|
| 3 reception |
on a corner 90 °
|
| 4 reception |
on a corner 90 °
|
|
Diesel engine of 1.9 l
|
| 1 reception |
40
|
| 2 reception |
60
|
| 3 reception |
on a corner 90 °
|
| 4 reception |
on a corner 90 °
|
|
Diesel engine of 2.5 l
|
| 1 reception |
35
|
| 2 reception |
60
|
| 3 reception |
on a corner 90 °
|
| 4 reception |
on a corner 90 °
|
|
Bolts of fastening of covers of radical bearings of a cranked shaft
|
| L engines 1.6, 1.8, 2.0 |
65nm +90 °
|
| Engines of 2.4 l
|
|
|
25
|
|
|
65nm+90 °
|
| Engines of 3.0 l |
35nm+90 °
|
| Diesel engines of 1.9 l |
65nm+90 °
|
| Diesel engines of 2.5 l |
60nm+90 °
|
|
Bolts of fastening of covers of shatunny bearings
|
30nm +90 °
|
|
The oil pump to the block of cylinders
|
| L engines 1.6, 1.8 |
15
|
| Engines of 2.0 l |
15nm+90 °
|
| Engines of 2.4 l |
25
|
| Engines of 3.0 l |
35nm+90 °
|
| Diesel engines of 1.9 l |
16
|
| Diesel engines of 2.5 l |
22
|
|
Case pallet bolts
|
| L engines 1.6, 1.8, 2.0, 3.0
|
|
|
10
|
|
|
15
|
|
|
22
|
|
|
45
|
| Engines of 2.4 l |
10
|
| Diesel engines |
15
|
|
Masloslivny stopper of the pallet of a case
|
| Engines of 1.6 l |
50
|
| L engines 1.8, 2.0, 2.4, 3.0 |
30
|
| Diesel engines of 1.9 l |
30
|
| Diesel engines of 2.5 l |
25
|
|
Oil pressure sensor switch
|
| Petrol engines |
25
|
| Diesel engines |
20
|
|
Flywheel (driving disk)
|
| Bolt of 22.0/22.5 mm |
60nm+90 °
|
| Bolt of 35/42/43 mm (two-mass flywheel) |
60nm+180 °
|
|
Pulley crankshaft/damper
|
| L engines 1.6, 1.8, 2.0 |
90nm+90 °
|
| L engines 2.4, 3.0 |
200nm+180 °
|
| Diesel engines of 1.9 l |
120nm+90 °
|
| Diesel engines of 2.5 l |
200nm+180 °
|
| Coupling basket to a flywheel |
25 (22 on front-wheel models with l engines 2.4, 3.0)
|
|
Cam-shaft asterisk
|
|
Engine of 1.6 l
|
100
|
|
L engines 1.8, 2.0
|
65
|
|
Engine of 2.4 l
|
55
|
|
Engine of 3.0 l
|
100
|
|
Diesel engines of 1.9 l
|
|
|
100
|
|
|
25
|
|
Diesel engines of 2.5 l
|
|
|
75
|
|
|
22
|
|
Bed of cam-shafts
|
| L engines 1.6, 2.0 |
20
|
| L engines 1.8, 2.4, 3.0 |
10
|
| Diesel engines of 1.9 l |
8nm+90 °
|
| Diesel engines of 2.5 l |
15
|
|
Cover of cam-shafts
|
| Petrol engines |
10
|
| Diesel engines of 1.9 l |
9
|
| Diesel engines of 2.5 l |
10
|
|
The inlet pipeline to a head of cylinders
|
| L engines 1.6, 2.0 |
20
|
| L engines 1.8, 2.4, 3.0, 4.2 |
10
|
| Diesel engines of 1.9 l |
25
|
| Diesel engines of 2.5 l |
10
|
|
Final collector to a head of cylinders
|
| Petrol engines |
25
|
| Diesel engines of 1.9 l |
25
|
| Diesel engines of 2.5 l |
22
|
|
Reception pipe to a collector
|
| L engines 1.6, 1.8, 2.0 |
40
|
| L engines 2.4, 3.0 |
25
|
| Diesel engines |
21
|
|
Water pump
|
| L engines 1.6, 1.8, 2.0, 3.0 |
15
|
| Engines of 2.4 l |
10
|
| Diesel engines of 2.5 l |
10
|
|
The fuel distributive highway to the inlet pipeline
|
10
|
|
Nozzle clip
|
| Diesel engines of 1.9 l |
12nm+270 °
|
| Diesel engines of 2.5 l |
30
|
|
Cap nut of the pipeline of a nozzle
|
30
|
|
TNVD gear wheel
|
| Diesel engines of 2.5 l |
22
|
|
Oil pressure sensor switch
|
| L engines 1.6, 1.8, 2.4, 3.0 |
25
|
| Engines of 2.0 l |
20
|
| Diesel engines of 2.5 l |
25
|
|
Sensor of provision of a cam-shaft
|
| Engine of 1.6 l |
13
|
|
Lambda probe
|
| L engines 1.6, 1.8, 2.0, 3.0 |
50
|
| Engines of 2.4 l |
55
|
|
Detonation sensor
|
| Petrol engines |
20
|
|
Oil filter
|
| Diesel engines of 2.5 l |
25
|
In addition
|
Characteristic |
Value |
|
Engine of 1.8 l
|
|
Support of the inlet pipeline to the inlet pipeline and the holder |
20 |
|
Turbocompressor to a final collector. Surely replace bolts. Grease a carving and basic surfaces of heads of bolts with high-temperature paste, for example, of AUDI G 052 112 A3. |
35 |
|
The holder of a turbocompressor to the block of cylinders |
25 |
|
The holder of a turbocompressor to a turbocompressor |
30 |
| Collars of hoses of air ducts |
3.5 |
|
Engine of 3.0 l
|
| Pipe of cooling liquid back to a head of cylinders |
10 |
| The combined valve to a head of cylinders |
10 |
| Cover of a gear belt back to a head of cylinders and also to the block of cylinders |
10 (replace) |
| The holder of the directing roller to a head of cylinders |
10 (replace) |
| Pipe of cooling liquid a lobby to a head of cylinders |
|
|
10 |
|
|
23 |
| The pipeline of a high pressure of the power steering to the pump |
47 |
| The pipeline of a high pressure of the power steering to a head of cylinders |
10 |
| The pipeline of a high pressure of the power steering to a pipe of cooling liquid back |
20 |
|
Engine of 4.2 l
|
| Natyazhitel of a chain to a head of cylinders |
5nm + 90 ° |
| Cover of a head of cylinders (sequence: the central bolt, 2 bolts from an end face, the remained 12 bolts cross-wise from within outside) |
10 |
| Supply of fuel to the fuel distributive highway |
25 |
|
Diesel engine of 1.9 l
|
| The Hall sensor to a head of cylinders (with the taking compound) |
10 |
| Nave to a camshaft |
100 |
| The pipeline of supply of oil to the holder of an oil filter |
25 |
| The pipeline of return of oil to a turbocompressor (bolts, a class of durability 10.9) |
15 |
|
The top pipe of cooling liquid to an eye
|
20 |
|
Bolts of wheels
|
120 |
|
|