Audi Audi A6 1997-2004 4.2L Engine Specifications
Detailed technical specifications and documentation for the 4.2L V8 engine in the 1997-2004 Audi A6. Includes performance metrics, maintenance guidelines, and system-specific details for the fuel, ignition, and cooling systems.
4.2L V8 Engine Specifications (1997-2004 Audi A6) Specifications
This document provides detailed technical specifications and operational guidelines for the 4.2L V8 engine used in the 1997-2004 Audi A6. It includes key performance metrics, engine design details, maintenance recommendations, and tips troubleshooting. Use this guide to understand the engine's capabilities, optimize its performance, and ensure proper maintenance.
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Key Specifications
Horsepower
300 HP @ 6,200 RPM
Torque
284 lb-ft @ 3,300 RPM
Displacement
4.2L (256.3 cu in)
0-60 mph
6.2 seconds
Fuel Capacity
21.7 gallons
Available Specifications
Engine Overview
This section provides a general overview of the 4.2L V8 engine, including its design, configuration, and key features. It serves as a foundational guide for understanding the engine's architecture and capabilities.
Engine Overview
This section provides a general overview of the 4.2L V8 engine, including its design, configuration, and key features. It serves as a foundational guide for understanding the engine's architecture and capabilities.
Engine Configuration
- 4.2L V8 engine
- 90-degree V configuration
- Aluminum alloy engine block and cylinder heads
- Double overhead camshafts (DOHC)
- 32 valves (4 valves per cylinder)
- Multipoint fuel injection system
Design Features
- Variable valve timing (VVT)
- Dual knock sensors for optimal combustion
- Stainless steel exhaust manifold
- Coil-on-plug ignition system
- Cast aluminum intake manifold
Performance Specifications
This section outlines the performance capabilities of the 4.2L V8 engine, including power output, torque, and acceleration metrics. It also covers transmission and drivetrain configurations.
Performance Specifications
This section outlines the performance capabilities of the 4.2L V8 engine, including power output, torque, and acceleration metrics. It also covers transmission and drivetrain configurations.
Power and Torque
- Maximum horsepower: 300 HP @ 6,200 RPM
- Maximum torque: 284 lb-ft @ 3,300 RPM
- Redline: 6,500 RPM
- Fuel type: Premium unleaded gasoline (91 octane or higher)
- Fuel injection pressure: 80 bar
Transmission and Drivetrain
- Available transmissions: 6-speed manual, 5-speed automatic
- Quattro drive all-wheel system
- Torsen center differential
- Electronic differential lock (EDL)
- Final drive ratio: 3.73:1 (manual), 3.46:1 (automatic)
Technical Specifications
This section provides detailed technical data, including engine dimensions, weights, fluid and capacities. It serves as a reference for maintenance and repair operations.
Technical Specifications
This section provides detailed technical data, including engine dimensions, weights, fluid and capacities. It serves as a reference for maintenance and repair operations.
Engine Dimensions and Weight
- Length: 491 mm (19.3 in)
- Width: 434 mm (17.1 in)
- Height: 622 mm (24.5 in)
- Dry weight: 190 kg (419 lbs)
- Wet weight: 210 kg (463 lbs)
Fluid Capacities
- Engine oil capacity: 6.5 liters (6.9 quarts)
- Coolant capacity: 8 liters (8.5 quarts)
- Transmission fluid capacity: 3.5 liters (3.7 quarts)
- Differential fluid: capacity 1.5 liters (1.6 quarts)
Maintenance and Service
This section outlines recommended maintenance schedules and service procedures for the 4.2L V8 engine. It includes oil change intervals, belt replacement schedules, and inspection points.
Maintenance and Service
This section outlines recommended maintenance schedules and service procedures for the 4.2L V8 engine. It includes oil change intervals, belt replacement schedules, and inspection points.
Maintenance Schedule
- Oil change interval: Every 5,000 miles (8,000 km)
- Spark plug replacement: Every 30,000 miles (48,000 km)
- Belt replacement: Every 60,000 miles (96,000 km)
- Coolant change interval: Every 50,000 miles (80,000 km)
- Air filter replacement: Every 15,000 miles (24,000 km)
Service Recommendations
- Use synthetic 5W-40 engine oil
- Replace fuel filter every 15,000 miles
- Inspect brake pads every 10,000 miles
- Check tire pressure monthly
- Rotate tires every 5,000 miles
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Engine Specifications
Overview
- Type
- V8
- Configuration
- 90-degree V8
- Platform
- Audi C4/C5
- Material
- Aluminum alloy
- Location
- Longitudinal
Dimensions
- Engine Length
- 456 mm (17.95 in)
- Engine Width
- 430 mm (16.93 in)
- Engine Height
- 623 mm (24.52 in)
- Engine Weight
- 190 kg (418.9 lbs)
- Displacement
- 4.2 liters (256 cubic inches)
- Oil Capacity
- 6 liters (6.3 quarts)
Materials
- Engine Block
- Aluminum alloy
- Cylinder Head
- Aluminum alloy
- Crankshaft
- Forged steel
- Valves
- Stainless steel
Features
- Engine Management
-
- Bosch Motronic ME7.1 fuel injection system
- Knock sensor system
- Variable intake manifold
- Dual ignition coils
- Fuel System
-
- Multi-point fuel injection
- Returnless fuel system
- Fuel tank capacity: 80 liters (21.1 gallons)
- Cooling System
-
- Water-cooled
- Dual radiator fans
- Thermostat controlled
- Exhaust System
-
- Dual exhaust
- Catalytic converters
- Stainless steel exhaust manifold
- Performance
-
- Horsepower: 300 HP @ 6,200 rpm
- Torque: 317 lb-ft @ 3,300 rpm
- Redline: 6,500 rpm
Safety Features
- Engine Protection
-
- Overheat protection
- Oil pressure monitoring
- Crankshaft position sensor
- Emissions Control
-
- Catalytic converter
- EGR system
- Secondary air injection
- Monitoring Systems
-
- Engine check light
- Oil level sensor
- Coolant level sensor
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Sound-dampening materials
- Balanced engine design
- Smooth Operation
-
- Hydraulic engine mounts
- Variable intake system
- Smooth idle control
- integration
-
- Compatible with Audi's quattro system
- Adaptive transmission control
- Integrated cruise control
Accessories
- Engine Accessories
-
- Engine cover
- Dress-up kit
- Performance air filter
- Performance Enhancements
-
- Aftermarket ECU tuning
- High-flow catalytic converters
- Performance exhaust system
- Service Accessories
-
- Oil filter wrench
- Spark plug socket
- Coolant flush kit
Maintenance
- Service interval
- Every 15,000 km (9,300 miles) or 12 months
- Service Items
-
- Oil and filter change
- Check and top up fluids
- Inspect belts and hoses
- Check tire pressure
- Inspect brake pads
- Maintenance Notes
-
- Use synthetic 5W-40 oil
- Spark plugs replacement every 30,000 miles
- Timing belt replacement at 105,000 miles
Warranty
- Basic Warranty
- Miles: 50,000 milesYears: 4 yearsCoverage: Bumper-to-bumper
- Powertrain Warranty
- Miles: 70,000 milesYears: 5 yearsCoverage: Drivetrain components
- Corrosion Warranty
- Miles: Unlimited milesYears: 12 yearsCoverage: Perforation due to corrosion
- Maintenance Warranty
- Miles: 50,000 milesYears: 4 yearsCoverage: Scheduled maintenance
Production Details
- Manufacturer
- Audi AG
- Manufacturing Process
-
- CNC machining
- Aluminum casting
- Balancing and blueprinting
- Quality Control
- inspection: End-of-line testingCertification: ISO 9001Testing: Dyno testing
- Sustainability Practices
-
- Recyclable materials
- Eco-friendly coatings
- Energy-efficient production
- Production Metrics
- Production Years: 1997-2004Units Produced: Over 100,000 unitsAssembly Plant: Ingolstadt, Germany
Service Information for 4.2l engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect belts and hoses
- Check and top up fluids
- Inspect tire pressure
- Check brake pads
Recommended synthetic oil 5W-40
- Spark plug replacement
- Inspect ignition coils
- Check PCV system
- Inspect exhaust system
- Fuel system cleaning
Inspect spark plug wires if applicable
- Timing belt inspection
- Water pump inspection
- Inspect cooling system hoses
- Check battery condition
- Inspect drive belts
Replace timing belt if worn or damaged
Common Questions
Find answers to common questions about torque specifications
Q1 What is the horsepower and torque output of the 4.2L V8 engine in the 1997-2004 Audi A6?
What is the horsepower and torque output of the 4.2L V8 engine in the 1997-2004 Audi A6?
The 4.2L V8 engine in the 1997-2004 Audi A6 produces 300 horsepower at 6,200 RPM and 295 lb-ft of torque at 3,000 RPM. This engine is naturally aspirated and features a DOHC (Dual Overhead Camshaft) design with 5 valves per cylinder.
Q2 What type of oil and oil capacity does the 4.2L engine require?
What type of oil and oil capacity does the 4.2L engine require?
The 4.2L V8 engine requires fully synthetic 5W-40 engine oil with a capacity of approximately 7.5 liters (7.9 quarts). Always use oil that meets Audi's VW 502 00 or VW 505 00 specifications for optimal performance and longevity.
Q3 What is the recommended service interval for the timing belt on the 4.2L engine?
What is the recommended service interval for the timing belt on the 4.2L engine?
The timing belt on the 4.2L V8 engine should be replaced every 75,000 miles or 5 years, whichever comes first. Failure to replace the timing belt on time can result in catastrophic engine damage due to interference design.
Q4 What is the compression ratio of the 4.2L V8 engine?
What is the compression ratio of the 4.2L V8 engine?
The 4.2L V8 engine has a compression ratio of 11.0:1, which contributes to its high performance and efficiency. This requires the use of premium unleaded fuel (91 octane or higher) to prevent knocking and ensure proper operation.
Q5 What are common issues to watch for with the 4.2L engine?
What are common issues to watch for with the 4.2L engine?
Common issues include oil leaks from the valve cover gaskets, timing belt tensioner failure, and carbon buildup on intake valves. Regular maintenance and using genuine Audi parts can mitigate these problems.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Audi 4.2L V8 Engine Technical Specifications
Coming SoonDetailed technical specifications for the 4.2L V8 engine, including dimensions, performance data, and component details.
Timing Belt Replacement Guide for 4.2L V8
Coming SoonStep-by-step guide for replacing the timing belt on the 4.2L V8 engine, including tools required and safety precautions.
Oil and Fluid Recommendations for Audi A6 (1997-2004)
Coming SoonComprehensive list of recommended oils, coolants, and other fluids for the 4.2L V8 engine and related systems.
Diagnosing and Fixing Common 4.2L Engine Issues
Coming SoonTroubleshooting guide for common problems such as oil leaks, timing belt issues, and carbon buildup.
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Technical Information
- All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
- Vehicle specifications and procedures may vary by model year, trim level, and region.
- Always follow the manufacturer's recommended procedures and safety precautions.
- Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
- If you're unsure about any procedure, consult a qualified professional mechanic.
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