Market Position:
The Audi V8 Quattro (Type 44) represented Audi's ambitious foray into the luxury executive sedan segment, aiming to compete with established German rivals. It was a technologically advanced vehicle for its time, emphasizing comfort, performance, and the brand's signature Quattro all-wheel-drive system.
Competitive Analysis:
Competed directly with the Mercedes-Benz W124 E-Class and BMW E32 7 Series. Its key differentiators were the standard Quattro all-wheel-drive system and the exclusive V8 engine, offering a distinct blend of luxury, stability, and potent power delivery.
Key Features:
Standard Quattro all-wheel drive, available 3.6L and later 4.2L V8 engine, luxurious interior appointments, advanced (for the era) safety features like ABS, sophisticated suspension design for ride comfort and handling.
Coverage Areas:
Engine, Drivetrain, Suspension, Brakes, Electrical Systems, HVAC, Body, Interior, Diagnostics, Wiring Diagrams
Page Count:
Estimated 1500+ pages (combined, actual count varies based on specific editions)
Manual Type:
Workshop Service Manual & Wiring Diagram
Systems Covered:
32-Valve V8 Engine (4.2L), Automatic Transmission (4HP24), ABS (Anti-lock Braking System), Quattro Permanent All-Wheel Drive, Suspension (Front & Rear), Steering, Fuel System, Ignition System, Cooling System, Exhaust System, Climate Control (HVAC), Power Accessories, Lighting, Body Control Modules, Diagnostic Fault Codes, Emssions Control
Procedures Included:
Scheduled Maintenance, Routine Inspections, Engine Overhaul, Transmission Repair & Rebuild, Brake System Overhaul, Suspension Component Replacement, Steering System Repair, Electrical Troubleshooting, Component Diagnosis, Wiring Harness Repair, Interior Trim Removal/Installation, Body Panel Repair, HVAC System Service, Diagnostic Scan Tool Procedures, Fluid Changes & Bleeding, Spark Plug & Ignition System Service, Fuel Injector Testing & Replacement
Technical Depth:
Comprehensive. Covers basic maintenance to full component rebuilds, including detailed diagnostic procedures, torque specifications, component testing, and wiring schematics for accurate troubleshooting. Suitable for professional technicians and advanced DIY enthusiasts.
Primary Engine:
4.2L (4172 cc) V8, 32-Valve DOHC
Engine Variants:
Initially 3.6L (3562 cc) V8 (Type ABH), later updated to 4.2L (Type ABH/AKG, AUC) for later model years. This manual specifically covers the 4.2L variant.
Horsepower 4.2L:
240 hp @ 5,500 rpm (for 4.2L variant)
Torque 4.2L:
260 lb-ft @ 3,000 rpm (for 4.2L variant)
Fuel System:
Bosch KE-Jetronic/LH-Jetronic Fuel Injection (depending on exact model year and specific engine variant)
Engine Codes:
ABH (early 4.2L), AKG (late 4.2L)
Bore X Stroke:
84.5 mm x 93.0 mm (for 4.2L variant)
Compression Ratio:
10.2:1 (for 4.2L variant)
Transmission Standard:
4-speed Automatic (ZF 4HP24)
Transmission Optional:
None offered from factory
Transmission Features:
Electronic Control, Lock-up Torque Converter
Transmission Fluid Spec:
G 052 162 A1 (ZF Lifeguardfluid 4, typically)
Length:
Approx. 4950 mm (194.9 in)
Width:
Approx. 1810 mm (71.3 in)
Height:
Approx. 1420 mm (55.9 in)
Wheelbase:
Approx. 2800 mm (110.2 in)
Curb Weight:
Approx. 1800-1900 kg (3968-4189 lbs)
Gross Weight:
Approx. 2300 kg (5070 lbs)
Safety Ratings:
N/A (Modern safety rating systems were less prevalent during its production era)
Active Features:
Anti-lock Braking System (ABS), All-wheel drive (Quattro)
Passive Features:
Front Airbags (Driver and Passenger), Three-point Seatbelts with Pretensioners, Side Impact Protection Beams, Crumple Zones
ABS System:
Bosch ABS II (2-channel)
Infotainment System:
Basic Audi Radio/Cassette system, optional CD player. Analog climate control with manual or automatic temperature regulation.
Driver Assistance:
Anti-lock Braking System (ABS), Cruise Control.
Connectivity:
Limited by era, primarily focused on internal vehicle systems. No external connectivity options like Bluetooth or USB.
Lighting:
Halogen Headlights, Fog Lights (optional/standard on some trims), Interior Courtesy Lights.
Oil Change Interval:
Every 10,000 km (6,000 miles) or 12 months, whichever comes first.
Spark Plug Replacement:
Every 40,000-60,000 km (25,000-37,000 miles), depending on plug type.
Timing Belt Replacement:
Every 80,000-100,000 km (50,000-60,000 miles) or 5 years.
Engine Oil Specification:
API SG/SH, ACEA A2-96 or equivalent. Viscosity: 5W-40 or 10W-40 recommended, depending on climate.
Coolant Specification:
G11 (Blue) or equivalent Ethylene Glycol based coolant.
Brake Fluid Specification:
DOT 4
Power Steering Fluid:
G 002 000 (or equivalent Pentosin CHF 11S)
Differential Fluid:
API GL-5 (e.g., 75W-90 for center and rear differentials)
Common Issues Engine:
Coolant leaks (especially from hose connections and radiators), potential for head gasket issues if overheated, starter motor failure, timing belt tensioner wear.
Common Issues Transmission:
ZF 4HP24 can experience solenoid failure, torque converter issues, and wear in clutch packs. Regular fluid changes are critical.
Common Issues Electrical:
Climate control module failures, door lock actuator issues, dashboard warning light malfunctions, instrument cluster problems.
Common Issues Suspension:
Worn control arm bushings, ball joints, and tie rod ends due to age and weight of the vehicle. Leaks from self-leveling rear suspension (if equipped).
Common Issues Body:
Rust in wheel wells, rocker panels, and around windows. Condensation in headlights and taillights.
Engine Oil Capacity:
Approx. 6.7 Liters (7.1 US Quarts) with filter (4.2L V8)
Cooling System Capacity:
Approx. 10.5 Liters (11.1 US Quarts)
Brand Heritage:
Audi, a German manufacturer with a history dating back to the early 20th century, has built a reputation for engineering excellence, innovation, and the development of the revolutionary Quattro all-wheel-drive system.
Model Evolution:
The V8 Quattro (Type 44) was a significant step for Audi, positioning it in the premium luxury segment. It served as the technological flagship, showcasing Audi's advancements in V8 engines, all-wheel drive, and automotive electronics. It laid the groundwork for future Audi luxury sedans like the A8.
Production Locations:
Ingolstadt, Germany
Production Volume:
Approximately 21,000 units produced globally during its lifecycle.
Recognitions:
While specific awards for the V8 Quattro are scarce, it was recognized for its pioneering role in bringing Audi into the luxury segment and popularizing the V8 engine and Quattro drivetrain combination in a sedan.
Ratings:
Contemporary reviews praised its build quality, all-weather capability, and sophisticated ride, though some noted its higher price point and less potent performance compared to direct competitors with larger displacement engines.