2003 Audi A4 AVJ/AWN (B6)

B6 / Sedan / Avant (wagon) / Europe / North America / other global markets with regional engine variations

AVJAWNBATBFBBGBBKGBHFASBFiche exacte année/versionGold

Engine identity

Engine code

AVJ, AWN, BAT, BFB, BGB, BKG, BHF, ASB

Engine summary

Inline-4 and V6 petrol engines plus inline-5 and V6 TDI diesel engines; power ranged from ~130 hp (1.6L petrol) up to ~250 hp (3.0L V6 petrol). Engine offering varied by market.

Displacement

1588 cc to 2967 cc

Power

102 kW (140 hp) to 184 kW (250 hp)

Torque

Approx. 150 Nm to 310 Nm depending on engine

Fuel system

Multi-point fuel injection (petrol), common rail direct injection (diesel)

Timing drive

Timing belt

Port OBD

Verify by VIN and market

Oils and fluids

Type d’huile

Audi VW 502 00 specification synthetic oil

Capacité d’huile

Approx. 4.3 to 6.5 liters (service fill including filter depending on engine variant)

Liquide de refroidissement

Approx. 7 liters

Fluide

Audi G 052 162 A2 or equivalent synthetic fluid

Differential fluid

Audi G 052 911 A2 or equivalent

Liquide de frein

DOT 4

Service and parts data

Manual transmission

5-speed and 6-speed manual options depending on variant

Automatic transmission

5-speed Tiptronic automatic and CVT available depending on market and engine

Spark plugs

Longlife spark plugs recommended, replace intervals approx. 40,000 to 60,000 km

Service interval

15,000 km or 1 year, whichever comes first

Dimensions des pneus

205/55 R16, 225/45 R17, 225/40 R18 depending on market and trim

Couple de roue

Verify by VIN and market

Common and chronic problems

Timing belt wear and water pump failure if not replaced timely
Oil consumption in some 1.8T engines
Electrical issues with CAN bus modules
Sunroof mechanism failures on some models

First checks

Timing belt and tensioner service history
Oil leaks from camshaft seals
Suspension bushings and control arm wear
Condition of automatic transmission fluid

Avant de remplacer des pièces

Save fault codes and freeze-frame data before clearing anything.
Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.

Important notes

Engine and transmission availability depends on market; North American models had fewer diesel options.
Technical specifications may vary for Avant (wagon) and Quattro all-wheel-drive variants.

Codes courants

Source and verification notes

Audi B6 A4 technical specifications from official Audi workshop manuals 2003
Global Audi A4 (B6) market and engine data verified from automotive databases and user technical forums

Outils compatibles

Verify by VIN and market

Questions fréquentes

What engine code does the 2003 Audi A4 AVJ/AWN (B6) use? 2003 Audi A4 AVJ/AWN (B6) is listed here with engine code AVJ, AWN, BAT, BFB, BGB, BKG, BHF, ASB; engine summary: Inline-4 and V6 petrol engines plus inline-5 and V6 TDI diesel engines; power ranged from ~130 hp (1.6L petrol) up to ~250 hp (3.0L V6 petrol). Engine offering varied by market..
What oil and capacity does the 2003 Audi A4 AVJ/AWN (B6) use? 2003 Audi A4 AVJ/AWN (B6) is listed with Audi VW 502 00 specification synthetic oil and oil capacity Approx. 4.3 to 6.5 liters (service fill including filter depending on engine variant). Confirm market and engine option before service.
What are common 2003 Audi A4 AVJ/AWN (B6) problems? Highlighted checks for 2003 Audi A4 AVJ/AWN (B6): Timing belt wear and water pump failure if not replaced timely, Oil consumption in some 1.8T engines, Electrical issues with CAN bus modules, Sunroof mechanism failures on some models.

Engine identity

Engine code

AVJ, AWN, BAT, BFB, BGB, BKG, BHF, ASB

Engine summary

Inline-4 and V6 petrol engines plus inline-5 and V6 TDI diesel engines; power ranged from ~130 hp (1.6L petrol) up to ~250 hp (3.0L V6 petrol). Engine offering varied by market.

Displacement

1588 cc to 2967 cc

Power

102 kW (140 hp) to 184 kW (250 hp)

Torque

Approx. 150 Nm to 310 Nm depending on engine

Fuel system

Multi-point fuel injection (petrol), common rail direct injection (diesel)

Timing drive

Timing belt

Port OBD

Verify by VIN and market

Oils and fluids

Type d’huile

Audi VW 502 00 specification synthetic oil

Capacité d’huile

Approx. 4.3 to 6.5 liters (service fill including filter depending on engine variant)

Liquide de refroidissement

Approx. 7 liters

Fluide

Audi G 052 162 A2 or equivalent synthetic fluid

Differential fluid

Audi G 052 911 A2 or equivalent

Liquide de frein

DOT 4

Service and parts data

Manual transmission

5-speed and 6-speed manual options depending on variant

Automatic transmission

5-speed Tiptronic automatic and CVT available depending on market and engine

Spark plugs

Longlife spark plugs recommended, replace intervals approx. 40,000 to 60,000 km

Service interval

15,000 km or 1 year, whichever comes first

Dimensions des pneus

205/55 R16, 225/45 R17, 225/40 R18 depending on market and trim

Couple de roue

Verify by VIN and market

Questions fréquentes

What engine code does the 2003 Audi A4 AVJ/AWN (B6) use? 2003 Audi A4 AVJ/AWN (B6) is listed here with engine code AVJ, AWN, BAT, BFB, BGB, BKG, BHF, ASB; engine summary: Inline-4 and V6 petrol engines plus inline-5 and V6 TDI diesel engines; power ranged from ~130 hp (1.6L petrol) up to ~250 hp (3.0L V6 petrol). Engine offering varied by market..

What oil and capacity does the 2003 Audi A4 AVJ/AWN (B6) use? 2003 Audi A4 AVJ/AWN (B6) is listed with Audi VW 502 00 specification synthetic oil and oil capacity Approx. 4.3 to 6.5 liters (service fill including filter depending on engine variant). Confirm market and engine option before service.

What are common 2003 Audi A4 AVJ/AWN (B6) problems? Highlighted checks for 2003 Audi A4 AVJ/AWN (B6): Timing belt wear and water pump failure if not replaced timely, Oil consumption in some 1.8T engines, Electrical issues with CAN bus modules, Sunroof mechanism failures on some models.

2003 Audi A4 AVJ/AWN (B6)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Avant de remplacer des pièces

Important notes

Scanning Engine...

2003 Audi A4 AVJ/AWN (B6)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

First checks

Avant de remplacer des pièces

Important notes