Infiniti QX4 1997-2003 3.3L V6 Engine Specifications
Explore detailed technical specifications for the 3.3L V6 engine in the 1997-2003 Infiniti QX4. Ideal for maintenance, repairs, and performance upgrades.
Overview Specifications
This document provides detailed specifications and technical information about the 3.3L V6 engine used in the 1997-2003 Infiniti QX4. It is designed for enthusiasts, mechanics, and owners who need accurate and comprehensive data about this engine. The content is organized into sections covering engine performance, design, maintenance, and key specifications. Use the search and navigation tools to quickly find the information you need.
How to Use
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Key Specifications
Horsepower
168 hp @ 4800 rpm
Torque
196 lb-ft @ 2800 rpm
Displacement
3.3 liters
Compression Ratio
9.0:1
Fuel Type
Premium Unleaded
Available Specifications
Engine Performance
This section covers the performance characteristics of the 3.3L V6 engine, including horsepower, torque, and fuel efficiency. It also provides details on how the engine performs under different driving conditions and loads.
Engine Performance
This section covers the performance characteristics of the 3.3L V6 engine, including horsepower, torque, and fuel efficiency. It also provides details on how the engine performs under different driving conditions and loads.
Power Output
- Horsepower: 168 hp @ 4800 rpm
- Torque: 196 lb-ft @ 2800 rpm
- Compression Ratio: 9.0:1
- Fuel System: Sequential Multi-Port Fuel Injection
- Redline: 6000 rpm
Fuel Efficiency
- City MPG: 15
- Highway MPG: 20
- Combined MPG: 17
- Fuel Tank Capacity: 21.1 gallons
- Fuel Type: Premium Unleaded Recommended
Engine Design
This section delves into the design and construction of the 3.3L V6 engine, including its architecture, materials, and key components. It provides insights into the engineering choices that contribute to the engine's reliability and performance.
Engine Design
This section delves into the design and construction of the 3.3L V6 engine, including its architecture, materials, and key components. It provides insights into the engineering choices that contribute to the engine's reliability and performance.
Engine Architecture
- Engine Type: Naturally Aspirated V6
- Displacement: 3.3 liters (3275 cc)
- Cylinder Configuration: 60-degree V6
- Valvetrain: DOHC, 4 valves per cylinder
- Block Material: Cast Iron
- Head Material: Aluminum
Key Components
- Timing System: Timing Chain
- Oil Capacity: 4.5 quarts with filter
- Cooling System: Liquid-Cooled
- Ignition System: Distributorless
- Exhaust System: Dual Exhaust
Maintenance and Service
This section provides essential information on maintaining and servicing the 3.3L V6 engine. It includes recommended service intervals, common maintenance tasks, and tips for ensuring the engine's longevity and optimal performance.
Maintenance and Service
This section provides essential information on maintaining and servicing the 3.3L V6 engine. It includes recommended service intervals, common maintenance tasks, and tips for ensuring the engine's longevity and optimal performance.
Service Intervals
- Oil Change: Every 3,750 miles or 3 months
- Spark Plugs: Every 30,000 miles
- Timing Chain: Inspect every 60,000 miles
- Coolant Flush: Every 30,000 miles
- Air Filter: Every 15,000 miles
Common Maintenance Tasks
- Check and replace engine oil and filter regularly
- Inspect and replace spark plugs as needed
- Monitor coolant levels and replace as necessary
- Inspect timing chain for wear and replace if necessary
- Regularly check and clean air intake system
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Engine Specifications
Overview
- Type
- Naturally aspirated V6
- Configuration
- 60-degree V-angle
- Displacement
- 3.3 liters (3275 cc)
- Valvetrain
- DOHC, 24 valves
- Fuel System
- Sequential multi-port fuel injection
- Location
- Front longitudinal
Dimensions
- Length
- 26.8 in (680 mm)
- Width
- 27.6 in (701 mm)
- Height
- 28.3 in (719 mm)
- Weight
- 418 lbs (190 kg)
- Bore
- 3.66 in (93 mm)
- Stroke
- 3.27 in (83 mm)
- Compression Ratio
- 9.5:1
Materials
- Block
- Cast aluminum with cast iron cylinder liners
- Cylinder Head
- Aluminum alloy
- Pistons
- Forged aluminum
- Connecting Rods
- Forged steel
- Crankshaft
- Forged steel
Features
- Performance
-
- 168 hp @ 4800 rpm
- 196 lb-ft torque @ 2800 rpm
- Redline at 6000 rpm
- Fuel Efficiency
-
- 17 mpg city
- 22 mpg highway
- Combined 19 mpg
- Emissions
-
- OBD-II compliant
- Catalytic converter
- EGR system
- Cooling
-
- Liquid cooling system
- 16.9 quart capacity
- Electric cooling fan
- Lubrication
-
- Wet sump oil system
- 5.8 quart oil capacity
- Oil cooler
Safety Features
- Engine Protection
-
- Low oil pressure warning
- Overheat warning system
- Engine immobilizer
- Emission Control
-
- Catalytic converter
- EVAP system
- PCV system
Comfort Features
- Noise Vibration
-
- Hydraulic engine mounts
- Tuned intake manifold
- Balanced crankshaft
- Operation
-
- Smooth power delivery
- Linear throttle response
- Cold start assist
Accessories
- intake
-
- Air filter box
- Resonator chamber
- Mass airflow sensor
- Exhaust
-
- Exhaust manifold
- Catalytic converter
- Muffler system
- Electrical
-
- 120-amp alternator
- Ignition coil pack
- Starter motor
Maintenance
- Service interval
- 7,500 miles or 6 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter inspection
- Timing belt inspection
- Coolant flush
- Notes
- Use 5W-30 synthetic oil recommended
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper to bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Engine and transmission
- Emissions
- Miles: 50,000Years: 4Coverage: Emission control components
- Corrosion
- Miles: UnlimitedYears: 7Coverage: Perforation protection
Production Details
- Manufacturer
- Nissan
- Location
- Iwaki, Japan
- Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- Dimensional Checks: Laser measurementPressure Testing: Cylinder leak downPerformance Testing: Dynamometer testing
- Sustainability
-
- Recycled aluminum content
- Waste reduction program
- Energy efficient manufacturing
- Production Metrics
- Units Per Day: 450Defect Rate: 0.3%Capacity Utilization: 92%
Service Information for 3.3l V6 Engine Service
Maintenance and service requirements specific to the VG33E engine
- Oil and filter change
- Fluid level checks
- Belt tension inspection
- Air filter inspection
- Spark plug condition check
Use synthetic 5W-30 oil for optimal performance
- Fuel filter replacement
- PCV valve inspection
- Coolant system flush
- Throttle body cleaning
- Ignition system inspection
Check for vacuum leaks during service
- Timing belt replacement
- Water pump replacement
- Drive belt replacement
- Complete tune-up
- Compression test
Critical to replace timing belt to prevent engine damage
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.3L V6 engine compatible with other Infiniti models?
Is the 3.3L V6 engine compatible with other Infiniti models?
The 3.3L V6 engine used in the 1997-2003 Infiniti QX4 is specifically designed for this model. While it shares some components with other Nissan and Infiniti vehicles of the same era, direct compatibility may vary. Always verify with a professional mechanic or consult the vehicle's service manual before attempting to use this engine in other models.
Q2 What are the maintenance requirements for the 3.3L V6 engine?
What are the maintenance requirements for the 3.3L V6 engine?
Regular maintenance for the 3.3L V6 engine includes oil changes every 3,000-5,000 miles, spark plug replacement every 60,000 miles, and timing belt inspection every 90,000 miles. Additionally, check the coolant, air filter, and fuel system components periodically to ensure optimal performance and longevity.
Q3 How do I replace the 3.3L V6 engine in my Infiniti QX4?
How do I replace the 3.3L V6 engine in my Infiniti QX4?
Replacing the 3.3L V6 engine involves disconnecting the battery, draining fluids, removing engine components, and unbolting the engine mounts. Use a hoist to lift the engine out and reverse the process to install the new one. It's recommended to follow the detailed steps in the service manual or seek professional assistance.
Q4 What should I do if my 3.3L V6 engine is overheating?
What should I do if my 3.3L V6 engine is overheating?
If your engine is overheating, first check the coolant level and ensure there are no leaks. Inspect the radiator, thermostat, and water pump for functionality. If the issue persists, it could be due to a faulty head gasket or blocked coolant passages. Consult a mechanic for a thorough diagnosis.
Q5 How can I optimize the performance of my 3.3L V6 engine?
How can I optimize the performance of my 3.3L V6 engine?
To optimize performance, use high-quality synthetic oil, ensure proper tire pressure, and maintain a clean air filter. Consider upgrading the exhaust system and using premium fuel. Regular tuning and addressing any engine codes promptly can also enhance efficiency and power output.
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 QX4 3.3L V6 Engine Service Manual
Coming SoonDetailed service manual covering maintenance, repair, and troubleshooting for the 3.3L V6 engine.
Technical Service Bulletin for 3.3L V6 Engine
Coming SoonTSB addressing common issues and updates for the 3.3L V6 engine in the 1997-2003 Infiniti QX4.
Infiniti QX4 Engine Parts Catalog
Coming SoonComprehensive catalog listing OEM and aftermarket parts for the 3.3L V6 engine.
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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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