Technical characteristics of the car (Audi A4 B5)

Engine

Type	1,6	1,8	1,8 Turbo	2,6 V6	2,8 V6
Letter designation	ADP	ADR	AEB	ABC	AAH
Number of cylinders	4	4	4	6	6
Design	Four-stroke in-line engine (four-cylinder) and V-shaped design (six-cylinder) with water cooling
Inner diameter of cylinder mm	81,0	81,0	81,0	82,5	82,5
Piston stroke mm	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 kW	74	92	110	110	128
at rpm	5300	5800	5700	5750	5500
Maximum torque Nm	250	140	173	210	225
at rpm	3800	3950	1750	3500	3000
Valve control	By means of a top-mounted camshaft with plate tappets and hydraulic valve clearance adjustment
Number of valves per cylinder	2	5	5	2	2
Camshafts	1	2	2	2	2
Compression pressure bar	9–14	9–14	10–13	9–14	9–14
Minimum bar value	7,5	7,5	7,5	7,5	7,5
Lubrication system	Circulating pressure lubrication with replaceable filter in the main oil flow
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

Type	Water circulation cooling with vane pump, thermostat, light metal radiator, expansion tank and viscous fan or a temperature-dependent fan with an electric drive (in cars with enhanced cooling)
	V-belt	V-belt	V-belt	V-ribbed belt
Water pump drive Approx.°C	87	87	87	87	87
Start of thermostat opening Approx.°C	102	102	102	102	102
Cooling system spare cover:
The high pressure valve opens at bar	1,2–1,5	1,2–1,5	1,2–1,5	1,2–1,5	1,2–1,5
The pressure relief valve opens at bar	0,06–0,1	0,06–0,1	0,06–0,1	0,06–0,1	0,06–0,1
Electric Radiator Fan Switching Temperatures	Cm. table

Required fuel type ROZ	95 ¹⁾	95 ¹⁾	95 ¹⁾	⁾95 ²⁾	95 ²⁾³⁾
Fuel pump	Fuel pump in the fuel tank with electric drive

¹⁾ at 91 ROZ with a small loss of power
²⁾91 ROZ only in extreme cases without full load on the engine
³⁾ at 98 ROZ increased torque

Preparing the working mixture	Bosch-Motronic 3.2	Bosch-Motronic 3.2	Bosch-Motronic 3.2	MPFI Intake manifold pressure sensor.	MPI
Air flow meter	Measuring air mass	Measuring air mass	Measuring air mass	3,8–4,2	Measuring air mass
Fuel pressure bar	–	–	–	–	–
Davl. fuel at idle speed:
vacuum hose connect bar	About 3.5	About 3.5	About 3.5	–	3,2–3,8
vacuum hose disconnected bar	About 4.0	About 4.0	About 4.0	–	3,8–4,2
Holding pressure after ignition off:
in 10 min min. bar	2,5	2,5	2,5	–	–
in 10 minutes (dv. cold.) min. bar	–	–	–	2,2	2,2
in 10 minutes (dv. hot) min. bar	–	–	–	3,0	3,0
Resistance on injection valve: at room temperature Ohm	14–16	11–13	11–13	13,5–17	13,5–17
Idle speed. (are not installed) rpm	820–900	820–900	820–900	680–820	650–750
Number of cut-off revolutions rpm	6500	6800	6800	6500	6200

Clutch	Single-disc dry clutch with hydraulic drive
Clutch disc Ø mm	210	228	228	240	240
Manual gearbox (front wheel drive)	012	012	012	012	012
Letter designation	CTD	CPD	CTE	CTG	CTJ
Transmission 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
Reverse	3,444	3,444	3,444	3,444	3,444
Main gear	4,556	4,111	3,700	3,889	3,700
Type	1,6	1,8	1,8 Turbo	2,6 V6	2,8 V6
Manual transmission (quattro)	–	01A	01A	01A	01A
Letter designation	–	CPU	CTF	CTH	CTK
Transmission 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
Reverse	–	3,444	3,444	3,444	3,444
Main gear	–	4,556	3,889	4,111	3,889
Rear main gear (quattro)	–	01H	01H	01H	01H
Letter designations	–	SKK	SKN	CKJ	CKH
Broadcast		4,556	3,889	4,111	3,889
Automatic transmission (front wheel drive)	01N.A	01N.A	–	01V.F	01V.E
Letter designation	CUW	CUW	–	CJU	CJV
Transmission 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
Reverse	2,111	2,111	–	4,096	4,096
Main gear	4,444	4,444	–	2,727	2,727

Front wheel suspension	With four independent wishbones for each wheel, shock absorbers and stabilizer
Steering	Rack and pinion steering
Rear wheel suspension	Conjugate axle with shock absorbers and stabilizer
Front wheel drivequattro	With two independent wishbones for each wheel, shock absorbers and stabilizer
Tires and rims	Cm. table

Foot brake	74-110 kW	128 kW
	Hydraulic dual-circuit brake diagonal circuit system, vacuum brake booster, four-channel anti-lock braking system with electronic brake control efforts
Front brakes	Single piston caliper disc brake with automatic adjustment
Brake discs	All metal	With internal ventilation
Brake disc diameter mm	280 (Lucas), 288 (ATE)	288
Thickness of brake discs new/min. mm	13/11 (Lucas) and 15/13 (ATE)	25/23
Brake lining thickness, new/min mm	14/2 (without carrier plate)	14/2 (without carrier plate)
Rear brakes	Single piston caliper disc brake with automatic parking brake adjustment
Brake disc diameter mm	245	245
Thickness of brake discs new/min. mm	10/8	10/8
Thickness of new pads/min. mm	12/2 (without carrier plate)	12/2 (without carrier plate)

Battery	12V/36Ah, 12V/44Ah or 12V/70Ah
Generator	14V/70A/980W, 14V/90A/1260W or 14V/120A/1680W
V-belt and/or V-ribbed belt	cm. Help with malfunctions
Ignition system 1.6 l 74 kW	Bosch Motronic, with distributor, one ignition coil and detonation control
1.8 l 92 kW	Bosch Motronic, distributorless with two dual-function coils ignition and detonation control
1.8L Turbo 110kW	Bosch Motronic, distributorless with four individual ignition coils and detonation control
2.6 l 110 kW	MPFI, distributorless with three dual-function ignition coils and detonation control
2.8 l 128 kW	MPI, distributorless with three dual-function ignition coils and detonation control
Spark plugs	Cm. table

Engine
1.6 l without/with filter replacement	2,8/3,3
1.8 l without/with filter replacement	3,4/3,9
Six-cylinder engine
without/with filter replacement	4,5/5,0
Cooling system with heating
Four-cylinder engine	7,0
Six-cylinder engine	6,0
Fuel tank
Front wheel drive	62
quattro	60
Windscreen washer system	3,5
Windscreen and headlight washing system	6,5
Manual transmission
front wheel drive	2,25
quattro	2,75
Final drive rear quattro	1,9
Automatic transmission
New filling with 4-speed gearbox	5,4
New filling with 5-speed gearbox	9,0
Main gear with 4-speed gearbox	1,0
Main gear with 5-speed gearbox	0,75