Infiniti G37 2009-2013 3.7L V6 Engine Specifications
Explore the detailed technical specifications of the 3.7L V6 engine in the 2009-2013 Infiniti G37. Learn about horsepower, torque, maintenance, and compatibility for performance upgrades and repairs.
Overview Specifications
This document provides detailed specifications and technical information about the 3.7L V6 engine used in the 2009-2013 Infiniti G37. It is designed for enthusiasts, mechanics, and anyone seeking in-depth knowledge about this engine. The content is organized into sections covering performance, design, maintenance, and key specifications. Use the search and navigation instructions to quickly find the information you need.
How to Use
Use the search bar to enter keywords related to the 3.7L V6 engine, such as 'horsepower' or 'torque'. Results will highlight relevant sections and subsections for easy access.
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Key Specifications
Horsepower
330 hp
Torque
270 lb-ft
Displacement
3.7L
Compression Ratio
11.0:1
Fuel Economy
20 mpg combined
Available Specifications
Performance Specifications
This section covers the performance metrics of the 3.7L V6 engine, including horsepower, torque, and acceleration. It also includes details on fuel efficiency and emissions.
Performance Specifications
This section covers the performance metrics of the 3.7L V6 engine, including horsepower, torque, and acceleration. It also includes details on fuel efficiency and emissions.
Power Output
- Horsepower: 330 hp @ 7000 rpm
- Torque: 270 lb-ft @ 5200 rpm
- Redline: 7500 rpm
- Compression ratio: 11.0:1
- Fuel type: Premium unleaded
- Fuel delivery: Direct injection
Acceleration and Efficiency
- 0-60 mph: 5.3 seconds
- Top speed: 155 mph (electronically limited)
- City fuel economy: 17 mpg
- Highway fuel economy: 26 mpg
- Combined fuel economy: 20 mpg
- Emissions: LEV2-ULEV compliant
Engine Design
This section delves into the engineering and design features of the 3.7L V6 engine, including its construction, materials, and advanced technologies.
Engine Design
This section delves into the engineering and design features of the 3.7L V6 engine, including its construction, materials, and advanced technologies.
Construction and Materials
- Engine block: Aluminum alloy
- Cylinder head: Aluminum alloy
- Valvetrain: DOHC, 4 valves per cylinder
- Bore x Stroke: 95.5 mm x 86.0 mm
- Displacement: 3696 cc
- Weight: Approximately 380 lbs
Advanced Technologies
- Variable Valve Event and Lift (VVEL)
- Dual intake and exhaust camshafts
- Electronic throttle control
- Low-friction piston rings
- Optimized airflow design
- High-efficiency oil pump
Maintenance and Durability
This section provides information on maintenance schedules, common issues, and durability features of the 3.7L V6 engine to ensure long-term reliability.
Maintenance and Durability
This section provides information on maintenance schedules, common issues, and durability features of the 3.7L V6 engine to ensure long-term reliability.
Maintenance Schedule
- Oil change interval: 5,000 miles or 6 months
- Spark plug replacement: 60,000 miles
- Timing chain: Lifetime (no replacement required)
- Coolant flush: 30,000 miles
- Air filter replacement: 15,000 miles
- Fuel filter: Integrated with fuel pump
Durability Features
- Forged steel crankshaft
- High-strength connecting rods
- Thermal management system
- Corrosion-resistant coatings
- Extended-life coolant
- Robust engine mounts
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Engine Specifications
Overview
- Type
- Naturally aspirated V6
- Configuration
- 60-degree V-angle
- Platform
- VQ37VHR
- Material
- Aluminum block and heads
- Location
- Front longitudinal
Dimensions
- Length
- 24.8 in (630 mm)
- Width
- 28.3 in (719 mm)
- Height
- 26.4 in (670 mm)
- Displacement
- 3.7 liters (3696 cc)
- Bore
- 95.5 mm (3.76 in)
- Stroke
- 86 mm (3.39 in)
- Weight
- 364 lbs (165 kg)
Materials
- Block
- Aluminum alloy with cast iron cylinder liners
- Cylinder Heads
- Aluminum alloy
- Pistons
- Forged aluminum
- Crankshaft
- Forged steel
- Valves
- Titanium intake, steel exhaust
Features
- Performance
-
- Dual overhead camshafts (DOHC)
- Variable Valve Event and Lift (VVEL)
- 10.3:1 compression ratio
- 330 hp @ 7000 rpm
- 270 lb-ft torque @ 5200 rpm
- Fuel System
-
- Sequential multi-port fuel injection
- Electronic throttle control
- Premium unleaded fuel required
- Cooling
-
- Liquid-cooled
- High-capacity radiator
- Electric cooling fan
- Ignition
-
- Direct ignition system
- Iridium-tipped spark plugs
- Coil-on-plug design
- Emissions
-
- LEV2-ULEV compliant
- Dual catalytic converters
- EGR system
Safety Features
- Engine Protection
-
- Knock sensor system
- 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
-
- Counter-rotating balance shafts
- Precision-machined components
- Climate Control
-
- Auxiliary electric water pump
- Heater core bypass valve
Accessories
- Belts
-
- Serpentine belt
- Timing chain
- Accessory drive belt
- Filters
-
- Oil filter
- Air filter
- Fuel filter
- Sensors
-
- Mass airflow sensor
- Oxygen sensors
- Crankshaft position sensor
Maintenance
- Service interval
- Every 5,000 miles or 6 months
- Service Items
-
- Oil and filter change
- Spark plug replacement
- Air filter inspection
- Timing chain inspection
- Coolant flush
- Maintenance Notes
- Use synthetic 5W-30 oil, replace coolant every 30,000 miles
Warranty
- Basic
- Miles: 60,000Years: 4Coverage: Bumper-to-bumper
- Powertrain
- Miles: 100,000Years: 6Coverage: Engine and transmission
- Emissions
- Miles: 70,000Years: 8Coverage: Catalytic converter and sensors
- Corrosion
- Miles: UnlimitedYears: 7Coverage: Perforation only
Production Details
- Manufacturer
- Nissan Motor Corporation
- Manufacturing Process
-
- Precision casting
- CNC machining
- Automated assembly
- Quality Control
- Testing: Cold testing, Hot testing, Dyno testinginspection: Leak testing, Dimensional checks, Material analysis
- Sustainability Practices
-
- Recycled aluminum usage
- Low-emission manufacturing
- Waste reduction programs
- Production Metrics
- Units Per Day: 500Defect Rate: 0.02%Energy Consumption: 15 kWh per engine
Service Information for 3.7l v6 engine Service
Maintenance and service requirements specific to this component
- Oil and filter change
- Inspect air filter
- Check coolant level
- Inspect belts and hoses
- Check engine for leaks
Use only synthetic 5W-30 oil
- Replace air filter
- Inspect spark plugs
- Check ignition system
- Inspect fuel system
- Test emissions system
Replace coolant if necessary
- Replace spark plugs
- Flush cooling system
- Inspect timing chain
- Replace accessory belts
- Perform compression test
Major service interval - requires specialized tools
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 3.7L V6 engine compatible with other Infiniti models?
Is the 3.7L V6 engine compatible with other Infiniti models?
The 3.7L V6 engine used in the 2009-2013 Infiniti G37 is also compatible with other Infiniti models such as the EX37, FX37, and Q40. It shares the VQ37VHR engine code, ensuring compatibility with vehicles using the same platform. However, modifications may be required for non-standard installations. Always verify with a professional or refer to the service manual for specific compatibility details.
Q2 What are the maintenance requirements for the 3.7L V6 engine?
What are the maintenance requirements for the 3.7L V6 engine?
The 3.7L V6 engine requires regular maintenance to ensure optimal performance. Key tasks include oil changes every 5,000-7,500 miles, air filter replacement every 15,000-30,000 miles, and spark plug replacement every 60,000 miles. Additionally, inspect the timing chain and coolant system periodically. Adhering to the manufacturer's maintenance schedule is crucial for longevity and reliability.
Q3 How do I replace the 3.7L V6 engine in my Infiniti G37?
How do I replace the 3.7L V6 engine in my Infiniti G37?
Replacing the 3.7L V6 engine involves several steps: disconnect the battery, drain fluids, remove the intake and exhaust systems, detach electrical connections, and unbolt the engine mounts. Use a hoist to lift the engine out. Installation is the reverse process. Ensure proper alignment and torque specifications. Refer to the service manual for detailed instructions and safety precautions.
Q4 What should I do if my 3.7L V6 engine is misfiring?
What should I do if my 3.7L V6 engine is misfiring?
Misfiring in the 3.7L V6 engine can result from faulty spark plugs, ignition coils, or fuel injectors. Start by scanning for error codes using an OBD-II scanner. Inspect and replace spark plugs or ignition coils if necessary. Check fuel injectors for clogs or leaks. If the issue persists, inspect the engine's compression and timing system. Consult a professional for advanced diagnostics.
Q5 How can I optimize the performance of my 3.7L V6 engine?
How can I optimize the performance of my 3.7L V6 engine?
To optimize the 3.7L V6 engine's performance, consider upgrading the air intake and exhaust systems for better airflow. Use high-quality synthetic oil and ensure regular maintenance. Tuning the ECU can enhance power and fuel efficiency. Additionally, lightweight performance parts like pulleys can reduce engine load. Always balance performance upgrades with reliability and safety considerations.
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 G37 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 2009-2013 Infiniti G37, including the 3.7L V6 engine.
Technical Service Bulletin: Engine Performance Update
Coming SoonDetails updates and fixes for common engine performance issues in the 3.7L V6 engine, including software updates and part replacements.
Infiniti G37 Parts Catalog
Coming SoonCatalog listing OEM and aftermarket parts for the 2009-2013 Infiniti G37, including engine components and accessories.
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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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