Segment:
Compact Executive Sedan/Wagon
Key Competitors:
BMW 3 Series (E36/E46), Mercedes-Benz C-Class (W202), Lexus ES
Brand Philosophy:
Audi's focus on 'Vorsprung durch Technik' (Advancement through Technology), Quattro all-wheel drive
Platform:
Volkswagen Group B Platform
Owner Profile:
Professionals, families seeking a blend of performance, luxury, and practicality
Powertrain:
Engine Mechanical, Engine Management, Fuel System, Ignition System, Exhaust System, Cooling System, Lubrication System
Drivetrain:
Transmission (Manual & Automatic), Clutch, Drive Axles, Differentials, AWD System (Quattro)
Chassis:
Suspension (Front & Rear), Steering System, Brakes (Hydraulic & ABS), Wheels & Tires
Body And Interior:
Body Panels, Doors, Windows, Seats, Interior Trim, HVAC System, Safety Restraints (Airbags, Seatbelts)
Electrical:
Wiring Diagrams, Lighting System, Instrumentation, Audio System, Power Accessories, Engine Control Modules (ECU), Body Control Modules (BCM)
Maintenance:
Scheduled maintenance, fluid changes, filter replacements, inspections
Troubleshooting:
Diagnostic procedures, fault code interpretation, common issues and solutions
Repair:
Component removal, disassembly, repair, assembly, and installation
Adjustment:
Alignment, brake adjustments, clutch adjustments, idle speed adjustments
Specifications:
Service data, precautions, special notes, tightening torques, allowable limits, wear limits.
Depth:
Detailed step-by-step procedures, pictorial diagrams, exploded views, torque specifications, wear limits
Diagnostic Tools:
Reference to special service tool numbers and their usage.
Compatibility:
Windows, Mac, Linux OS
Printability:
Printable pages
Required Software:
Adobe Reader
Explanation Style:
Simple, precise, easy-to-read
Diagram Types:
Illustrations, exploded diagrams, drawings, photos, schematics, sectional drawings
Content Accuracy:
100% complete and intact, no missing/corrupt pages/sections.
Engine Options:
1.8L Turbocharged I4 (APU, ARK, AUQ, AWM), 2.8L V6 (AAH, ACK, ALG, AMX, APR, APS, AQD, ATQ, BBG), 2.5L Turbocharged I5 (20V Turbo - APU, ARK, AUQ, AWM)
Horsepower Range:
125 hp (2.8L V6) to 180 hp (1.8T 20V)
Torque Range:
170 lb-ft (2.8L V6) to 210 lb-ft (1.8T 20V)
Induction:
Multi-point fuel injection (MPI), Electronic throttle control (ETC) on later models
Common Codes:
1.8T: APU, ARK, AUQ, AWM; 2.8 V6: AAH, ACK, ALG, AMX, ATQ
Block Material:
Aluminum Alloy
Cylinder Head Material:
Aluminum Alloy
Manual Transmission:
5-speed manual (012 family)
Automatic Transmission:
5-speed Tiptronic automatic (01V family)
Drive Options:
Front-wheel drive (FWD), Quattro permanent all-wheel drive
Ratio Availability:
Specific ratios for manual and automatic transmissions detailed within the manual.
Wheelbase:
Approximately 103.1 inches (2619 mm)
Length:
Approximately 177.7 inches (4514 mm) for Sedan
Curb Weight Range:
3150 - 3500 lbs (1430 - 1590 kg) depending on drivetrain and options
Gross Vehicle Weight Rating:
Not explicitly stated but implied by vehicle capacity.
NHTSA Front Impact:
4-star driver, 4-star passenger (1999 model)
IIHS Side Impact:
Good (1999 model)
Braking System:
Anti-lock Braking System (ABS) standard
Traction Control:
Electronic Stability Program (ESP) available on later models, Traction Control System (TCS)
Airbags:
Front driver and passenger airbags standard, side airbags optional
Seat Belts:
3-point inertia-reel seat belts with pretensioners
Audio System:
Factory Audi Symphony or Concert radio systems, optional Bose sound system.
Navigation:
Optional factory navigation system available on later models.
Parking Sensors:
Optional rear parking sensors available on later models.
Phone Integration:
Optional factory-installed hands-free phone preparation kits.
Headlights:
Halogen headlights standard, Xenon HID headlights optional (facelift models).
Oil Change Interval:
Typically 5,000 to 10,000 miles (8,000 to 16,000 km) or 12 months, depending on driving conditions and oil type (refer to manual for specific recommendations).
Timing Belt Replacement:
For 2.8L V6 engines, timing belt replacement is critical, typically around 60,000-100,000 miles (100,000-160,000 km). The 1.8T engines feature a timing chain.
Engine Oil:
API SG/SH or higher, SAE 5W-40 or 10W-30 synthetic or semi-synthetic oil recommended. Check manual for exact viscosity and specification.
Coolant:
G12 (Pink) or G12+ ethylene glycol-based coolant mixed with distilled water (50/50 ratio).
Transmission Fluid Manual:
VW G 052 171 A1 or equivalent manual transmission fluid.
Transmission Fluid Automatic:
VW G 055 005 A2 or equivalent ATF fluid for Tiptronic automatic transmissions.
Brake Fluid:
DOT 4 brake fluid.
Power Steering Fluid:
G 002 000 or equivalent power steering fluid.
Common Problems:
Ignition coil failures (1.8T), PCV system issues (1.8T), coolant flange leaks, ABS sensor failures, window regulator failures, CV joint wear, camshaft adjuster issues (V6).
Oil Filter:
e.g., Mann-Filter HU 833/1, Mahle OC 205/1 (verify with specific engine code).
Air Filter:
e.g., Mann-Filter C 35122, Mahle LX 997 (verify with specific engine code).
Founding:
Founded in Germany in 1910 by August Horch
B5 Introduction:
The B5 generation Audi A4 replaced the Audi 80/90 and was introduced in 1994 (Europe) and 1995 (North America). It marked a significant step forward in design and technology for Audi.
Facelift:
Received a facelift in late 1999 for the 2000 model year, featuring updated front and rear fascias, lighting, and interior refinements.
Manufacturing Locations:
Primarily Ingolstadt, Germany
Sales Figures:
Significant sales volume contributed to Audi's growth in global markets during this period.
