Positioning:
Premium compact executive sedan
Competitors:
BMW 3 Series, Mercedes-Benz C-Class, Lexus IS
Differentiating Features:
Standard Quattro all-wheel drive, refined interior, advanced safety features
Engine Mechanical:
Complete service, diagnosis, and repair
Engine Electrical:
Ignition, fuel injection, sensors, ECU
Drivetrain:
Front-wheel drive and Quattro all-wheel drive systems
Transmission Manual:
Service, repair, and clutch system
Transmission Automatic:
Service, repair, and torque converter
Suspension:
Front and rear suspension, components, and alignment
Steering:
Power steering system, steering rack, and column
Brakes:
Hydraulic system, ABS, brake pads, rotors, calipers
Heating Ventilation Air Conditioning:
HVAC system operation, diagnosis, and repair
Electrical Body:
Lighting, power accessories, interior/exterior electronics
Body Exterior:
Panels, trim, doors, windows, sunroof
Body Interior:
Seating, dashboard, trim panels, airbags
Wiring Diagrams:
Comprehensive electrical schematics for all systems
Maintenance:
Oil changes, filter replacements, fluid checks, spark plugs
Troubleshooting:
Diagnostic charts and symptom-based troubleshooting
Repair:
Component replacement and repair for all covered systems
Diagnostics:
OBD-II codes, live data interpretation, component testing
Overhaul:
Engine and transmission overhaul procedures
Installation:
Component installation and replacement guides
Depth:
Factory-level detail, including specifications, tolerances, and procedures
Engine Code:
BEX (1.8T), AMB (2.0)
Engine Type:
Inline 4-cylinder, turbocharged (1.8T), Naturally aspirated (2.0)
Displacement:
1.8L (1781cc), 2.0L (1984cc)
Bore X Stroke:
81.0 mm x 86.4 mm (1.8T), 82.5 mm x 92.8 mm (2.0)
Compression Ratio:
9.5:1 (1.8T), 10.5:1 (2.0)
Horsepower:
1.8T: 170 hp @ 5900 rpm; 2.0: 130 hp @ 5700 rpm
Torque:
1.8T: 210 lb-ft @ 1950 rpm; 2.0: 135 lb-ft @ 3250 rpm
Fuel Delivery:
Multi-Point Fuel Injection (MPI)
Fuel Type:
Premium Unleaded Gasoline (91 Octane Recommended)
ECU Type:
Bosch Motronic (Specific variants may apply)
Type:
5-speed Manual Transmission (FWD and Quattro)
Type:
5-speed Tiptronic Automatic Transmission (FWD and Quattro)
Quattro System:
Torsen T-3 center differential
Manual Transmission Fluid:
G 052 171 A2 (or equivalent API GL-4/GL-5)
Automatic Transmission Fluid:
G 055 005 A2 (or equivalent ATF)
NHTSA Front Impact:
5-Star Driver, 5-Star Passenger
IIHS Side Impact:
Good (for models tested)
ABS:
Standard Anti-lock Braking System
Esc:
Standard Electronic Stability Control (ESC)
Traction Control:
Standard Traction Control System (ASR)
Airbags:
Front, Side-impact, and Curtain Airbags
Seat Belts:
Pretensioners and load limiters
Head Unit:
Audi Chorus, Concert, or Symphony infotainment systems
Optional Features:
Navigation system, Bose premium audio
Features:
Traction Control, Electronic Stability Control
Features:
Optional Bluetooth interface for hands-free calling
Oil Change Interval:
Every 10,000 miles (16,000 km) or 12 months, whichever comes first (flexible service system)
Timing Belt Interval:
N/A (Engines use timing chains)
Spark Plug Replacement:
Approx. 60,000-100,000 miles (depending on spark plug type)
Engine Oil:
SAE 5W-40 Synthetic (Approved for VW 502 00 / 505 00 specifications)
Coolant:
G 12 Plus (or equivalent silicate-free OAT coolant)
Ignition Coils:
Early models can be prone to ignition coil failure, leading to misfires.
Pcv System:
Positive Crankcase Ventilation (PCV) valve and hoses can clog or leak, causing rough idle or oil consumption.
Oil Leaks:
Valve cover gasket and oil cooler seals are common leak points.
Timing Chain Tensioners:
While chain-driven, tensioner wear can occur, leading to rattling noises.
Suspension Components:
Control arm bushings and ball joints can wear prematurely due to weight and road conditions.
Oil Filter 1.8T:
06B 115 561
Oil Filter 2.0:
06B 115 561 A
Cabin Air Filter:
8E0 819 439
Heritage:
Audi has a long history of automotive engineering and innovation, particularly with its Quattro all-wheel-drive system.
Generation:
Second Generation (B6), introduced in 2000 for the 2001 model year (North American debut 2002 for 2003 model year).
Key Changes For 2003:
Introduction of the 2.0L FSI engine (in some markets), minor styling updates, and powertrain refinements.
Production Location:
Ingolstadt, Germany
