Warning: Separate characteristics are also given in the text of the Chapter and, if they are mandatory, are highlighted in bold.
Characteristic |
Meaning |
Petrol
engines
|
Inline 4-cylinder and V-shaped 6-cylinder, aluminum, water-cooled, DOHC type (1.6L OHC), timing belt drive, microprocessor control, thermometric air mass meter and turbocharger on 1.8T models |
Diesel engines |
Inline 4-cylinder (OHC) and V-shaped 6-cylinder (DOHC) water-cooled, timing belt drive and turbocharger |
Engine designation//Beginning of production
Characteristic |
Meaning |
1.6
|
ALZ//from 11/00 |
1.8T | AVJ//from 11/00 to 07/02 |
1.8T | BFB//since 07/02 |
1.8T | -//from 11/02 |
2.0 | ALT//from 11/00 |
2.0FSI | AWA//since 07/02 |
2.4
|
BDV//since 09/01 |
3.0 | ASN//from 11/00 |
S4 4.2 | BBK//since 03/03 |
1.9TDI | AVB//from 05/01 |
1.9TDI | AWX, AVF//from 11/00 |
2.5TDI | AYM, BCZ//from 08/01 to 07/02 |
2.5TDI | BDG//from 07/02 |
2.5TDI | AKE, BAU, BDH//from 11/00 |
Rated power, kW//hp (at rpm)
Characteristic |
Meaning |
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) |
Rated torque, Nm, at rpm
Characteristic |
Meaning |
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 per cylinder/type
Characteristic |
Meaning |
1.6
|
4, inline / 2 / OHC |
1.8, 2.0 | 4, inline / 5 / DOHC |
2.0FSI | 4, inline / 4 / DOHC |
2.4, 3.0 | 6, V-shaped / 5 / DOHC |
S4 4.2 | 8, V-shaped / 5 / DOHC |
1.9TDI | 4, inline / 2 / OHC |
2.5TDI | 6, V-shaped / 4 / DOHC |
The order of operation of the cylinders
Characteristic |
Meaning |
4-cylinder | 1-3-4-2 |
V6 | 1-4-3-6-2-5 |
V8 | 1-5-4-8-6-3-7-2 |
Cylinder displacement, cm3 // Bore x Stroke
Characteristic |
Meaning |
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 |
Compression ratio
Characteristic |
Meaning |
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 |
Meaning |
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 |
1.9L TDI | 25.0 — 31.0 |
|
19.0 |
2.5L TDI | 24.0 — 33.0 |
|
24.0 |
Oil pressure switch
Response pressure, atm/case color
Characteristic |
Meaning |
Gasoline engines |
1.4±0.2/black |
Diesel engines 1.9 l |
0.7±0.15/brown |
Diesel engines 2.5 l |
0.9±0.15/grey |
Oil pressure control values, at 80°С
Characteristic |
Meaning |
Engines 1.6 and 2.0 l |
2 atm. at speed x.x.
|
Engine 1.8 l
|
1.3 atm. at speed x.x.
|
Engine 3.0 l | 1.8 atm. at speed x.x.
4.0 atm. at 2000 rpm |
Engine 4.2 l | 2.0 atm. at speed x.x.
3.5 atm. at 3500 rpm |
1.9l and 2.5l TDI engines | 0.8 atm. at speed x.x.
2.0 atm. at 2000 rpm |
Tightening force of threaded connections, Nm
Fastener tightening torques are also given in the text of the Chapter and in some illustrations *.
* The tightening torques shown in bold type must be strictly adhered to; Efforts not in bold type are indicative only.
Characteristic |
Meaning |
Bolts of fastening of a head of cylinders |
|
Engine 1.6, 1.8, 2.0 and 3.0 l |
|
1 reception |
20
|
2 reception |
40
|
3 reception |
at an angle of 90°
|
4 reception |
at an angle of 90°
|
Engine 2.4L |
|
1 reception |
40
|
2 reception |
60
|
3 reception |
at an angle of 90°
|
4 reception |
at an angle of 90°
|
Engine 4.2L |
|
1 reception |
30
|
2 reception |
60
|
3 reception |
at an angle of 90°
|
4 reception |
at an angle of 90°
|
Diesel engine 1.9L |
|
1 reception |
40
|
2 reception |
60
|
3 reception |
at an angle of 90°
|
4 reception |
at an angle of 90°
|
Diesel engine 2.5L |
|
1 reception |
35
|
2 reception |
60
|
3 reception |
at an angle of 90°
|
4 reception |
at an angle of 90°
|
Bolts of fastening of covers of radical bearings of a cranked shaft
|
|
Engines 1.6, 1.8, 2.0 l |
65Nm +90°
|
Engines 2.4 l
|
|
|
25
|
|
65Nm+90°
|
Engines 3.0 l |
35Nm+90°
|
Diesel engines 1.9 l |
65Nm+90°
|
Diesel engines 2.5 l |
60Nm+90°
|
Connecting rod bearing cap bolts |
30Nm +90°
|
Oil pump to cylinder block
|
|
Engines 1.6, 1.8 l |
15
|
Engines 2.0 l |
15Nm+90°
|
Engines 2.4 l |
25
|
Engines 3.0 l |
35Nm+90°
|
Diesel engines 1.9 l |
16
|
Diesel engines 2.5 l |
22
|
Oil pan bolts | |
Engines 1.6, 1.8, 2.0, 3.0 l
|
|
|
10
|
|
15
|
|
22
|
|
45
|
Engines 2.4 l |
10
|
Diesel engines |
15
|
Oil drain plug of the oil pan | |
Engines 1.6 l |
50
|
Engines 1.8, 2.0, 2.4, 3.0 l |
30
|
Diesel engines 1.9 l |
30
|
Diesel engines 2.5 l |
25
|
Oil pressure switch | |
Gasoline engines |
25
|
Diesel engines |
20
|
Flywheel (drive disk) | |
Bolt 22.0/22.5 mm |
60Nm+90°
|
Bolt 35/42/43 mm (dual mass flywheel) |
60Nm+180°
|
Crankshaft Pulley/Damper | |
Engines 1.6, 1.8, 2.0 l |
90Nm+90°
|
Engines 2.4, 3.0 l |
200Nm+180°
|
Diesel engines 1.9 l |
120Nm+90°
|
Diesel engines 2.5 l |
200Nm+180°
|
clutch basket to flywheel |
25 (22 on front-wheel drive models with 2.4, 3.0 l engines)
|
Camshaft sprocket | |
Engine 1.6 l |
100
|
Engines 1.8, 2.0 l |
65
|
Engine 2.4 l |
55
|
Engine 3.0 l |
100
|
Diesel engines 1.9L
|
|
|
100
|
|
25
|
Diesel engines 2.5L
|
|
|
75
|
|
22
|
Bed of camshafts | |
Engines 1.6, 2.0 l |
20
|
Engines 1.8, 2.4, 3.0 l |
10
|
Diesel engines 1.9 l |
8Nm+90°
|
Diesel engines 2.5 l |
15
|
Camshaft cover | |
Gasoline engines |
10
|
Diesel engines 1.9 l |
9
|
Diesel engines 2.5 l |
10
|
Intake pipe to cylinder head | |
Engines 1.6, 2.0 l |
20
|
Engines 1.8, 2.4, 3.0, 4.2 l |
10
|
Diesel engines 1.9 l |
25
|
Diesel engines 2.5 l |
10
|
Exhaust manifold to cylinder head | |
Gasoline engines |
25
|
Diesel engines 1.9 l |
25
|
Diesel engines 2.5 l |
22
|
Front pipe to manifold | |
Engines 1.6, 1.8, 2.0 l |
40
|
Engines 2.4, 3.0 l |
25
|
Diesel engines |
21
|
Water pump | |
Engines 1.6, 1.8, 2.0, 3.0 l |
15
|
Engines 2.4 l |
10
|
Diesel engines 2.5 l |
10
|
Fuel distribution line to intake manifold |
10
|
Injector clip | |
Diesel engines 1.9 l |
12Nm+270°
|
Diesel engines 2.5 l |
30
|
Union nut of the nozzle pipeline |
30
|
Injection pump gear | |
Diesel engines 2.5 l |
22
|
Oil pressure switch | |
Engines 1.6, 1.8, 2.4, 3.0 l |
25
|
Engines 2.0 l |
20
|
Diesel engines 2.5 l |
25
|
Camshaft position sensor | |
Engine 1.6 l |
13
|
Lambda probe | |
Engines 1.6, 1.8, 2.0, 3.0 l |
50
|
Engines 2.4 l |
55
|
Knock sensor | |
Gasoline engines |
20
|
Oil filter | |
Diesel engines 2.5 l |
25
|
Additionally
Characteristic |
Meaning |
Engine 1.8L |
|
Intake manifold supports to intake manifold and holder |
20 |
Turbocharger to exhaust manifold. Be sure to replace the bolts. Lubricate the threads and bearing surfaces of the bolt heads with a high temperature paste such as AUDI G 052 112 A3. |
35 |
Turbocharger holder to cylinder block |
25 |
Turbocharger holder to turbocharger |
30 |
Air hose clamps | 3.5 |
Engine 3.0L | |
Coolant pipe rear to cylinder head | 10 |
Combination valve to cylinder head | 10 |
Toothed belt cover rear to cylinder head and also to cylinder block | 10 (replace) |
Guide roller holder to cylinder head | 10 (replace) |
Coolant pipe front to cylinder head | |
|
10 |
|
23 |
Power steering high pressure line to pump | 47 |
Power steering high pressure line to cylinder head | 10 |
Power steering high pressure line to rear coolant pipe | 20 |
Engine 4.2L | |
Chain tensioner to cylinder head | 5Nm + 90° |
cylinder head cover (sequence: central bolt, 2 bolts from the end, the remaining 12 bolts crosswise from the inside to the outside) | 10 |
Fuel supply to the fuel distribution line | 25 |
Diesel engine 1.9L | |
Hall sensor to cylinder head (with tack compound) | 10 |
Hub to camshaft | 100 |
Oil supply line to oil filter holder | 25 |
Oil return line to turbocharger (bolts, strength class 10.9) | 15 |
Upper coolant pipe to lug |
20 |
Wheel bolts |
120 |
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