Infiniti FX35 2003-2008 3.5L V6 Engine Specifications
Explore the detailed 3.5L V6 engine specifications for the 2003-2008 Infiniti FX35. Learn about horsepower, torque, fuel system, and more for performance optimization and maintenance.
Overview Specifications
This document provides detailed specifications and information about the 3.5L V6 engine used in the 2003-2008 Infiniti FX35. It is designed to help users understand the engine's performance, design, and maintenance requirements. The document is divided into sections for easy navigation, and a quick reference table is included for key specifications. Use the search and navigation instructions to find specific details efficiently.
How to Use
Use the search functionality to quickly locate specific terms or topics within the document. Enter keywords related to the engine's features or specifications in the search bar.
Navigate through the document by clicking on the section titles in the table of contents. Each section is divided into subsections for detailed information.
Key Specifications
Displacement
3.5 liters
Horsepower
280 HP
Torque
270 lb-ft
Fuel Type
Premium Unleaded
Redline
6500 RPM
Available Specifications
Engine Design
This section covers the design and architecture of the 3.5L V6 engine, including its layout, materials, and key components. Learn about the engineering choices that contribute to its performance and reliability.
Engine Design
This section covers the design and architecture of the 3.5L V6 engine, including its layout, materials, and key components. Learn about the engineering choices that contribute to its performance and reliability.
Engine Layout
- 60-degree V6 configuration
- Aluminum alloy block and heads
- DOHC (Dual Overhead Camshaft) design
- 24-valve setup for optimal airflow
- Naturally aspirated design
- Chain-driven timing system
Key Components
- Forged steel crankshaft
- High-strength connecting rods
- Aluminum pistons with low-friction coatings
- Variable Valve Timing (VVT) on intake and exhaust
- Multi-point fuel injection system
- Stainless steel exhaust manifold
Performance Specifications
Explore the performance metrics of the 3.5L V6 engine, including horsepower, torque, and fuel efficiency. This section provides insights into the engine's capabilities and driving dynamics.
Performance Specifications
Explore the performance metrics of the 3.5L V6 engine, including horsepower, torque, and fuel efficiency. This section provides insights into the engine's capabilities and driving dynamics.
Power Output
- 280 horsepower at 6200 RPM
- 270 lb-ft of torque at 4800 RPM
- Redline at 6500 RPM
- Smooth power delivery across the RPM range
- Optimized for mid-range torque
- Responsive throttle response
Fuel Efficiency
- EPA-estimated 17 MPG city
- EPA-estimated 23 MPG highway
- Premium unleaded fuel recommended
- Low-emission design
- Efficient combustion chamber design
- Lightweight components reduce fuel consumption
Maintenance and Reliability
This section provides guidance on maintaining the 3.5L V6 engine to ensure longevity and reliability. Learn about recommended service intervals and common maintenance tasks.
Maintenance and Reliability
This section provides guidance on maintaining the 3.5L V6 engine to ensure longevity and reliability. Learn about recommended service intervals and common maintenance tasks.
Service Intervals
- Oil change every 5,000 miles
- Spark plug replacement every 60,000 miles
- Timing chain inspection every 100,000 miles
- Coolant flush every 30,000 miles
- Air filter replacement every 15,000 miles
- Fuel system cleaning every 50,000 miles
Reliability Features
- Durable construction with high-quality materials
- Advanced cooling system for temperature control
- Robust lubrication system for reduced wear
- Low-maintenance timing chain
- Self-diagnostic engine management system
- Proven track record of reliability
Search Specifications
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Engine Specifications
Overview
- Type
- Naturally aspirated V6
- Configuration
- 60-degree V6
- Platform
- Nissan VQ series
- Material
- Aluminum block and heads
- Location
- Front longitudinal
Dimensions
- Length
- 24.8 inches (630 mm)
- Width
- 28.3 inches (720 mm)
- Height
- 27.6 inches (700 mm)
- Weight
- 370 lbs (168 kg)
- Displacement
- 213.5 cubic inches (3498 cc)
- Bore
- 3.76 inches (95.5 mm)
- Stroke
- 3.19 inches (81.4 mm)
- Compression Ratio
- 10.3:1
Materials
- Block
- Aluminum alloy
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Titanium intake, steel exhaust
Features
- Performance
-
- 280 hp @ 6200 rpm
- 270 lb-ft torque @ 4800 rpm
- Dual overhead camshafts (DOHC)
- Variable Valve Timing (VVT)
- Fuel System
-
- Sequential multi-port fuel injection
- Electronic throttle control
- Premium fuel recommended
- Cooling
-
- Liquid-cooled
- High-capacity radiator
- Electric cooling fan
- Ignition
-
- Direct ignition system
- Platinum-tipped spark plugs
- Coil-on-plug design
- Emissions
-
- LEV-II compliant
- Catalytic converters
- EGR system
Safety Features
- Engine Protection
-
- Knock sensor
- Oil pressure sensor
- Coolant temperature sensor
- Overheat Protection
-
- High-temperature warning system
- Automatic engine shutdown
- Oil System
-
- Low oil level sensor
- Oil cooler
Comfort Features
- Noise Reduction
-
- Acoustic engine cover
- Hydraulic engine mounts
- Vibration Control
-
- Balanced crankshaft
- Counter-rotating balance shafts
- Climate Control
-
- Heated intake manifold
- Quick warm-up system
Accessories
- Belts
-
- Serpentine belt
- Timing chain
- Accessory drive belt
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Mass airflow sensor
- Oxygen sensor
- Crankshaft position sensor
Maintenance
- Service interval
- Every 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Air filter inspection
- Spark plug replacement
- Timing chain inspection
- Coolant flush
- Maintenance Notes
- Use synthetic 5W-30 oil for optimal performance
Warranty
- Basic
- Miles: 60,000Years: 4Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 6Coverage: Engine and transmission
- Emissions
- Miles: 80,000Years: 8Coverage: Catalytic converter and sensors
- Corrosion
- Miles: UnlimitedYears: 7Coverage: Perforation only
Production Details
- Manufacturer
- Nissan Motor Co., Ltd.
- Manufacturing Process
-
- Casting for block and heads
- CNC machining
- Precision assembly
- Quality Control
- Testing: Dyno testing, Leak testing, Vibration analysisStandards: ISO 9001, ISO 14001
- Sustainability
-
- Recycled aluminum usage
- Low-emission manufacturing
- Energy-efficient processes
- Production Metrics
- Units Per Year: 150,000Defect Rate: 0.01%Production Sites: Iwaki, Japan, Decherd, Tennessee, USA
Service Information for 3.5l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect air filter
- Check spark plugs
- Inspect belts and hoses
- Check coolant level
Use synthetic 5W-30 oil for optimal performance
- Replace air filter
- Inspect fuel system
- Check ignition system
- Inspect exhaust system
- Test emissions system
Ensure all sensors are functioning properly
- Replace spark plugs
- Flush coolant system
- Inspect timing chain
- Check engine mounts
- Perform compression test
Critical to inspect timing chain for wear
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications and compatibility details for the 3.5L V6 engine in the 2003-2008 Infiniti FX35?
What are the technical specifications and compatibility details for the 3.5L V6 engine in the 2003-2008 Infiniti FX35?
The 3.5L V6 engine in the 2003-2008 Infiniti FX35 is a VQ35DE engine, producing 280 horsepower and 270 lb-ft of torque. It features a DOHC design with 24 valves, variable valve timing (VVT), and a 10.3:1 compression ratio. This engine is compatible with automatic transmissions and requires premium unleaded fuel. It is designed for longitudinal mounting in rear-wheel-drive or all-wheel-drive configurations, making it suitable for the FX35 platform.
Q2 What are the maintenance requirements for the 3.5L V6 engine in the Infiniti FX35?
What are the maintenance requirements for the 3.5L V6 engine in the Infiniti FX35?
Regular maintenance for the 3.5L V6 engine includes oil changes every 5,000-7,500 miles using 5W-30 synthetic oil. The timing belt should be inspected every 60,000 miles and replaced if necessary. Spark plugs should be replaced every 105,000 miles, and the coolant should be flushed every 30,000 miles. Air filters and fuel filters should be checked and replaced as needed. Adhering to this schedule ensures optimal engine performance and longevity.
Q3 How do I install or replace the 3.5L V6 engine in a 2003-2008 Infiniti FX35?
How do I install or replace the 3.5L V6 engine in a 2003-2008 Infiniti FX35?
Replacing the 3.5L V6 engine requires removing the front bumper, radiator, and accessories. Disconnect the battery, drain fluids, and detach the transmission and exhaust system. Use an engine hoist to lift the engine out. Installation involves reversing the process, ensuring proper alignment of the engine mounts and torque specifications for bolts. Reconnect all electrical and fluid lines, refill fluids, and test the engine for leaks and proper operation.
Q4 What are common troubleshooting steps for the 3.5L V6 engine in the Infiniti FX35?
What are common troubleshooting steps for the 3.5L V6 engine in the Infiniti FX35?
Common issues include rough idling, reduced power, or check engine lights. Start by scanning for diagnostic trouble codes (DTCs) using an OBD-II scanner. Check for vacuum leaks, faulty sensors (e.g., MAF or O2 sensors), or clogged fuel injectors. Inspect the ignition system for worn spark plugs or coils. Ensure the air intake and exhaust systems are unobstructed. Addressing these issues often resolves performance problems.
Q5 How can I optimize the performance of the 3.5L V6 engine in my Infiniti FX35?
How can I optimize the performance of the 3.5L V6 engine in my Infiniti FX35?
To optimize performance, use high-quality synthetic oil and premium fuel. Upgrade the air intake and exhaust systems for better airflow. Install a performance chip or ECU tune to enhance throttle response and power output. Regularly clean the throttle body and fuel injectors. Ensure proper tire pressure and alignment for improved handling. These modifications and maintenance practices can significantly boost engine performance.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Infiniti FX35 Service Manual
Coming SoonComprehensive guide covering maintenance, repairs, and technical specifications for the 2003-2008 Infiniti FX35 with the 3.5L V6 engine.
Technical Service Bulletin: VQ35DE Engine Updates
Coming SoonDetails updates and fixes for common issues in the VQ35DE engine used in the 2003-2008 Infiniti FX35.
Infiniti FX35 Parts and Accessories Catalog
Coming SoonCatalog listing OEM and aftermarket parts, including engine components, for the 2003-2008 Infiniti FX35.
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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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