Infiniti G35 2007-2008 3.5L V6 Engine Engine Specifications
Infiniti G35 2007-2008

Infiniti G35 2007-2008 3.5L V6 Engine Specifications

Explore the detailed 3.5L V6 engine specifications for the 2007-2008 Infiniti G35, including horsepower, torque, fuel system, and maintenance tips. Perfect for mechanics, enthusiasts, and owners.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the 3.5L V6 engine used in the 2007-2008 Infiniti G35. It is designed for enthusiasts, mechanics, and owners who seek in-depth knowledge about the engine's performance, design, and maintenance. The document is organized into sections for easy navigation, covering engine architecture, performance metrics, fuel system, and cooling system. Use the search functionality to find specific terms or navigate through sections to explore detailed insights.

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Key Specifications

Engine Displacement

3.5 liters

Horsepower

306 HP @ 6800 RPM

Torque

268 lb-ft @ 4800 RPM

Compression Ratio

10.6:1

Fuel Economy

18 MPG city / 25 MPG highway

Available Specifications

Engine Architecture

This section covers the structural design and components of the 3.5L V6 engine, including its block, cylinder head, and valvetrain. Learn about the materials used, manufacturing processes, and how these elements contribute to the engine's durability and performance.

Block and Cylinder Design
  • Aluminum alloy block for reduced weight
  • 60-degree V6 configuration for balanced performance
  • Bore and stroke dimensions: 95.5 mm x 81.4 mm
  • DOHC (Dual Overhead Camshaft) design
  • Four valves per cylinder for improved airflow
  • Forged steel crankshaft for enhanced durability
Valvetrain and Timing System
  • Continuous Variable Valve Timing Control (CVTCS)
  • Chain-driven camshafts for reliability
  • Hydraulic lash adjusters for reduced maintenance
  • High-lift camshafts for optimized performance
  • Titanium intake valves for reduced weight
  • Roller rocker arms for minimized friction

Performance Metrics

Explore the performance characteristics of the 3.5L V6 engine, including horsepower, torque, and acceleration. This section also highlights the engine's efficiency and how it delivers a balance of power and fuel economy.

Power and Torque Output
  • 306 horsepower @ 6800 RPM
  • 268 lb-ft of torque @ 4800 RPM
  • Redline at 7500 RPM
  • High-compression ratio of 10.6:1
  • Optimized intake and exhaust manifolds
  • Electronic throttle control for precise response
Fuel Efficiency and Emissions
  • EPA-estimated 18 MPG city / 25 MPG highway
  • Direct ignition system for efficient combustion
  • Low-emission design meeting ULEV standards
  • Lightweight pistons for reduced energy loss
  • Variable intake manifold for improved airflow
  • Advanced engine control unit (ECU) for optimized performance

Fuel System

This section details the fuel delivery system of the 3.5L V6 engine, including the fuel injectors, pump, and management system. Understand how the engine ensures efficient fuel delivery and combustion.

Fuel Injection and Delivery
  • Sequential multi-port fuel injection system
  • High-pressure fuel pump for consistent delivery
  • Platinum-tipped spark plugs for longevity
  • Electronic fuel pressure regulator
  • Optimized fuel rail design
  • Air-fuel ratio sensor for precise mixture control
Fuel Management
  • Integrated engine control module (ECM)
  • Real-time fuel adjustment for efficiency
  • Knock sensor for preventing pre-ignition
  • Adaptive learning for driving conditions
  • Oxygen sensors for emission control
  • Dual-stage fuel pump for varying demand

Cooling System

Learn about the cooling system of the 3.5L V6 engine, including the radiator, water pump, and thermostat. This section explains how the engine maintains optimal operating temperatures under various conditions.

Cooling Components
  • High-capacity aluminum radiator
  • Mechanical water pump for reliable circulation
  • Thermostat with fail-safe design
  • Coolant temperature sensor for monitoring
  • Auxiliary electric fan for additional cooling
  • Optimized coolant passages in the engine block
Thermal Management
  • Dual-temperature zone cooling system
  • Heat-resistant materials for durability
  • Coolant overflow reservoir for stability
  • Automatic fan control for efficiency
  • Thermal insulation for critical components
  • Radiator shroud for improved airflow

Engine Specifications

Overview

Type
Naturally Aspirated V6
Configuration
60-degree V-angle
Platform
Nissan VQ series
Material
Aluminum block and heads
Location
Front longitudinal

Dimensions

Displacement
3.5 liters (3498 cc)
Bore
95.5 mm (3.76 in)
Stroke
81.4 mm (3.20 in)
Length
620 mm (24.4 in)
Width
720 mm (28.3 in)
Height
640 mm (25.2 in)
Weight
172 kg (379 lbs)

Materials

Block
Aluminum alloy with cast iron cylinder liners
Cylinder Heads
Aluminum alloy
Pistons
Forged aluminum
Crankshaft
Forged steel
Valves
Stainless steel

Features

Performance
  • 306 hp @ 6800 rpm
  • 268 lb-ft torque @ 4800 rpm
  • Redline at 7500 rpm
  • Dual overhead camshafts (DOHC)
Fuel System
  • Sequential multi-port fuel injection
  • Electronic throttle control
  • Variable intake manifold
Ignition
  • Direct ignition system
  • Platinum-tipped spark plugs
  • Coil-on-plug design
Cooling
  • High-capacity water pump
  • Aluminum radiator
  • Electric cooling fan
Emissions
  • EGR system
  • Catalytic converters
  • OBD-II compliant

Safety Features

Engine Protection
  • Knock sensor for detonation prevention
  • Oil pressure sensor
  • Coolant temperature sensor
Fuel Safety
  • Fuel cut-off in crash
  • Leak detection system
Electrical Safety
  • Fusible links
  • Overload protection

Comfort Features

Noise Reduction
  • Acoustic engine cover
  • Hydraulic engine mounts
Vibration Control
  • Balanced crankshaft
  • Counter-rotating balance shafts
Climate Control
  • Auxiliary heater core
  • Integrated AC compressor

Accessories

Belts
  • Serpentine belt
  • Timing chain
  • Accessory drive belt
Filters
  • Oil filter
  • Air filter
  • Fuel filter
Fluids
  • 5W-30 synthetic oil
  • Engine coolant
  • Power steering fluid

Maintenance

Service interval
Every 7500 miles or 6 months
Service Items
  • Oil and filter change
  • Spark plug inspection
  • Timing chain inspection
  • Coolant level check
  • Belt tension check
Maintenance Notes
Use only synthetic oil for optimal performance

Warranty

Basic
Miles: 60000
Years: 4
Coverage: Bumper-to-bumper
Powertrain
Miles: 100000
Years: 6
Coverage: Engine and transmission
Emissions
Miles: 80000
Years: 8
Coverage: Catalytic converter and sensors
Corrosion
Miles: Unlimited
Years: 7
Coverage: Perforation from rust

Production Details

Manufacturer
Nissan Motor Co., Ltd.
Manufacturing Process
  • Casting for block and heads
  • CNC machining
  • Dynamic balancing
Quality Control
Leak Testing: 100% of engines
Dyno Testing: Sample testing
Final Inspection: Visual and functional
Sustainability Practices
  • Recycled aluminum usage
  • Low-emission painting
  • Waste reduction programs
Production Metrics
Units Per Day: 500
Defect Rate: 0.1%
Energy Usage: 2.5 MWh per engine

Service Information for 3.5l v6 engine Service

Maintenance and service requirements specific to this component

7500
6
  • Oil and filter change
  • Inspect spark plugs
  • Check timing chain tension
  • Inspect belts for wear
  • Check coolant level
  • Inspect engine mounts

Use only manufacturer-recommended synthetic oil

30000
24
  • Replace spark plugs
  • Inspect and clean throttle body
  • Check fuel injectors
  • Inspect cooling system hoses
  • Test battery and charging system

Perform throttle body calibration after cleaning

60000
48
  • Replace timing chain
  • Replace serpentine belt
  • Flush cooling system
  • Replace engine air filter
  • Inspect and replace PCV valve

Timing chain replacement requires special tools

Common Questions

Find answers to common questions about torque specifications

Q1

What vehicles are compatible with the 3.5L V6 engine for the 2007-2008 Infiniti G35?

The 3.5L V6 engine is specifically designed for the 2007-2008 Infiniti G35 sedan and coupe models. It features a VQ35HR engine code, delivering 306 horsepower and 268 lb-ft of torque. This engine is not compatible with earlier G35 models or other Infiniti vehicles due to differences in engine mounts, ECU programming, and exhaust configurations. Always verify compatibility with your vehicle’s VIN before installation.

Q2

What are the maintenance requirements for the 3.5L V6 engine?

The 3.5L V6 engine requires regular maintenance to ensure optimal performance. Change the engine oil and filter every 5,000 miles using synthetic 5W-30 oil. Inspect and replace spark plugs every 60,000 miles. Regularly check and replace the air filter, coolant, and timing belt as per the manufacturer’s schedule. Adhere to the recommended maintenance intervals outlined in the owner’s manual to prevent engine wear and maintain efficiency.

Q3

How do I replace the 3.5L V6 engine in a 2007-2008 Infiniti G35?

Replacing the 3.5L V6 engine involves several steps: disconnect the battery, drain fluids, and remove components like the intake manifold, exhaust system, and wiring harness. Use an engine hoist to lift the old engine out and carefully install the new engine. Reconnect all components, refill fluids, and perform a thorough inspection. Ensure proper torque specifications for all bolts and connections. Seek professional assistance if unfamiliar with engine replacement procedures.

Q4

What are common troubleshooting steps for the 3.5L V6 engine?

Common issues with the 3.5L V6 engine include rough idling, misfires, and oil leaks. Begin by checking the spark plugs, ignition coils, and fuel injectors for wear or damage. Inspect the engine for oil leaks, particularly around the valve covers and oil pan. Use an OBD-II scanner to identify error codes and address them accordingly. Regularly monitor engine performance and address minor issues promptly to avoid major repairs.

Q5

How can I optimize the performance of the 3.5L V6 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 to maintain efficiency. Consider installing a performance ECU tune to enhance horsepower and torque. Ensure proper tire pressure and alignment to reduce engine strain. Regular maintenance and timely repairs are essential for sustained 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.

2007-2008 Infiniti G35 Service Manual

Coming Soon

Comprehensive guide covering maintenance, repairs, and technical specifications for the 3.5L V6 engine.

Technical Service Bulletin for 3.5L V6 Engine

Coming Soon

Latest updates and fixes for common issues related to the 3.5L V6 engine in the 2007-2008 Infiniti G35.

Infiniti G35 Parts and Accessories Catalog

Coming Soon

Detailed catalog of OEM and aftermarket parts for the 2007-2008 Infiniti G35, including engine 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.
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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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