Volkswagen Volkswagen Phaeton 2002-2016 4.2L V8 Engine Specifications
Explore detailed 4.2L V8 engine specifications for the 2002-2016 Volkswagen Phaeton. Learn about horsepower, torque, fuel system, and more for maintenance, repair, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 4.2L V8 engine used in the Volkswagen Phaeton from 2002 to 2016. It is designed for enthusiasts, mechanics, and engineers seeking comprehensive insights into the engine's design, performance, and maintenance. Use the search and navigation instructions to quickly locate specific details or explore sections for a deeper understanding of the engine's features.
How to Use
Use the search bar to enter keywords related to the 4.2L V8 engine, such as 'horsepower' or 'torque'. Results will highlight relevant sections and subsections for quick access.
Scroll through the document or use the table of contents to jump to major sections. Each section is divided into subsections with detailed technical points for easy reference.
Key Specifications
Displacement
4.2 liters
Horsepower
335 hp
Torque
317 lb-ft
Fuel System
Direct injection
Compression Ratio
11.0:1
Available Specifications
Engine Design and Architecture
This section covers the fundamental design and architecture of the 4.2L V8 engine, including its configuration, materials, and construction. Learn about the engine's layout, cylinder arrangement, and key components that contribute to its performance and durability.
Engine Design and Architecture
This section covers the fundamental design and architecture of the 4.2L V8 engine, including its configuration, materials, and construction. Learn about the engine's layout, cylinder arrangement, and key components that contribute to its performance and durability.
Engine Configuration
- 90-degree V8 configuration
- Aluminum alloy block and cylinder heads
- DOHC (Dual Overhead Camshaft) design
- 32-valve setup with variable valve timing
- Chain-driven camshafts for reliability
- Wet sump lubrication system
Key Components
- Forged steel crankshaft
- Aluminum pistons with low-friction coatings
- Hydraulic lifters for reduced maintenance
- Integrated oil cooler for thermal management
- Dual-stage intake manifold for optimized airflow
- Electronic throttle control system
Performance Specifications
Explore the performance capabilities of the 4.2L V8 engine, including horsepower, torque, and acceleration metrics. This section also highlights the engine's fuel efficiency and emissions compliance.
Performance Specifications
Explore the performance capabilities of the 4.2L V8 engine, including horsepower, torque, and acceleration metrics. This section also highlights the engine's fuel efficiency and emissions compliance.
Power and Torque
- 335 horsepower at 6,500 rpm
- 317 lb-ft of torque at 3,500 rpm
- Redline at 6,800 rpm
- Smooth power delivery across the rev range
- Optimized for both performance and drivability
- Adaptive engine mapping for varying conditions
Fuel Efficiency and Emissions
- EPA-estimated 15 mpg city / 22 mpg highway
- Direct fuel injection for improved efficiency
- Compliant with Euro 4 emissions standards
- Secondary air injection system for cleaner emissions
- Adaptive fuel management system
- Low internal friction for reduced fuel consumption
Maintenance and Reliability
This section provides essential information on maintaining the 4.2L V8 engine, including recommended service intervals, common issues, and tips for ensuring long-term reliability.
Maintenance and Reliability
This section provides essential information on maintaining the 4.2L V8 engine, including recommended service intervals, common issues, and tips for ensuring long-term reliability.
Service Intervals
- Oil change every 10,000 miles or 12 months
- Spark plug replacement every 60,000 miles
- Timing chain inspection every 100,000 miles
- Coolant flush every 50,000 miles
- Air filter replacement every 30,000 miles
- Regular inspection of belts and hoses
Common Issues and Solutions
- Carbon buildup on intake valves
- Oil leaks from valve cover gaskets
- Timing chain tensioner wear over time
- Coolant leaks from water pump
- Regular cleaning of fuel injectors recommended
- Use of high-quality synthetic oil advised
Search Specifications
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Engine Specifications
Overview
- Type
- Naturally aspirated V8
- Configuration
- 90-degree V-angle
- Platform
- Volkswagen Group D1
- Material
- Aluminum block and heads
- Location
- Front longitudinal
Dimensions
- Length
- 28.7 in (729 mm)
- Width
- 30.1 in (765 mm)
- Height
- 27.6 in (701 mm)
- Weight
- 441 lbs (200 kg)
- Displacement
- 4172 cc (254.6 cu in)
- Bore
- 84.0 mm (3.31 in)
- Stroke
- 93.0 mm (3.66 in)
- Compression Ratio
- 11.0:1
Materials
- Engine Block
- Aluminum-silicon alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Titanium intake, steel exhaust
Features
- Fuel System
-
- Sequential multi-port fuel injection
- Electronic throttle control
- Variable intake manifold
- Ignition System
-
- Direct ignition system
- Individual coil-on-plug
- Knock control system
- Cooling System
-
- Dual-circuit cooling
- Electric auxiliary water pump
- Thermostatically controlled
- Lubrication System
-
- Full-flow oil filtration
- Variable displacement oil pump
- Oil cooler integrated
- Emissions Control
-
- Dual catalytic converters
- Secondary air injection
- Exhaust gas recirculation
Safety Features
- Engine Protection
-
- Over-rev protection
- Low oil pressure warning
- Coolant temperature monitoring
- Electronic Controls
-
- Drive-by-wire throttle
- Traction control integration
- Stability control integration
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Tuned intake silencer
- Vibration Control
-
- Dual-mass flywheel
- Balanced crankshaft
- Counter-rotating balance shafts
Accessories
- Belts And Pulleys
-
- Serpentine belt
- Tensioner pulley
- Idler pulley
- Hoses And Clamps
-
- Coolant hoses
- Vacuum hoses
- Fuel lines
- Sensors
-
- Crankshaft position sensor
- Camshaft position sensor
- Knock sensor
Maintenance
- Service interval
- 10,000 miles or 12 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter inspection
- Timing belt inspection
- Coolant flush
- Maintenance Notes
- Use only VW 502.00 approved oil
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 6Coverage: Engine and transmission
- Corrosion
- Miles: UnlimitedYears: 12Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Catalytic converter and ECU
Production Details
- Manufacturer
- Volkswagen AG
- Manufacturing Process
-
- Casting of aluminum block
- CNC machining of cylinder heads
- Precision balancing of rotating assembly
- Quality Control
- Dimensional Checks: Laser measurementPressure Testing: Cylinder leak-downPerformance Testing: Dynamometer run-in
- Sustainability Practices
-
- Recycled aluminum content
- Closed-loop coolant system
- Low-emission painting process
- Production Metrics
- Units Per Day: 150Defect Rate: 0.02%Energy Consumption: 15 kWh/unit
Service Information for 4.2l v8 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Air filter inspection
- Spark plug inspection
- Coolant level check
- Belt tension check
Use only VW 502.00 approved oil
- Spark plug replacement
- Fuel filter replacement
- Cabin air filter replacement
- Brake fluid flush
- Throttle body cleaning
Requires VAS diagnostic tool for throttle adaptation
- Timing belt replacement
- Water pump replacement
- Coolant flush
- Transmission fluid change
- Engine mounts inspection
Critical to replace timing belt components as a set
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 4.2L V8 engine compatible with all 2002-2016 Volkswagen Phaeton models?
Is the 4.2L V8 engine compatible with all 2002-2016 Volkswagen Phaeton models?
The 4.2L V8 engine is compatible with most 2002-2016 Volkswagen Phaeton models, specifically those designed for the V8 powertrain. However, compatibility may vary based on regional specifications, transmission types, and optional features. Always verify your vehicle's VIN and consult the manufacturer's guidelines to ensure proper fitment. Modifications may be required for non-standard configurations.
Q2 What are the maintenance requirements for the 4.2L V8 engine?
What are the maintenance requirements for the 4.2L V8 engine?
The 4.2L V8 engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 7,500-10,000 miles, air filter replacement every 15,000 miles, and spark plug replacement every 60,000 miles. Additionally, inspect the timing belt, coolant system, and fuel injectors periodically. Adhering to the manufacturer's maintenance schedule is crucial for longevity and reliability.
Q3 How do I install or replace the 4.2L V8 engine in a Volkswagen Phaeton?
How do I install or replace the 4.2L V8 engine in a Volkswagen Phaeton?
Replacing the 4.2L V8 engine involves several steps: disconnect the battery, drain fluids, remove the intake manifold, and detach the transmission. Use a hoist to lift the engine out and install the new one in reverse order. Ensure all connections, hoses, and mounts are secure. Professional installation is recommended due to the complexity and precision required.
Q4 What are common troubleshooting steps for the 4.2L V8 engine?
What are common troubleshooting steps for the 4.2L V8 engine?
Common issues include rough idling, reduced power, and check engine lights. Start by scanning for error codes using an OBD-II scanner. Check for vacuum leaks, faulty sensors, or clogged fuel injectors. Inspect the ignition system and ensure proper fuel pressure. Regular diagnostics and timely repairs can prevent major engine problems.
Q5 How can I optimize the performance of the 4.2L V8 engine?
How can I optimize the performance of the 4.2L V8 engine?
To optimize performance, use high-quality synthetic oil and premium fuel. Upgrade the air intake and exhaust systems for better airflow. Regularly clean the throttle body and fuel injectors. Consider a professional ECU tune for enhanced power and efficiency. Proper maintenance and performance upgrades can significantly improve engine output and responsiveness.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Volkswagen Phaeton 4.2L V8 Service Manual
Coming SoonDetailed service manual covering maintenance, repair, and troubleshooting for the 4.2L V8 engine in 2002-2016 Phaeton models.
Technical Service Bulletin: 4.2L V8 Engine Updates
Coming SoonLatest updates and fixes for the 4.2L V8 engine, addressing common issues and performance improvements.
Volkswagen Phaeton Parts and Accessories Catalog
Coming SoonComprehensive catalog of OEM and aftermarket parts for the 4.2L V8 engine and related components.
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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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