Infiniti QX4 1997-2003 Drivetrain Specifications
Explore the detailed drivetrain specifications for the 1997-2003 Infiniti QX4, including transmission, transfer case, and differential details. Learn about maintenance, compatibility, and performance upgrades for this luxury SUV.
Overview Specifications
This document provides detailed specifications and technical information about the drivetrain of the 1997-2003 Infiniti QX4. It is designed to help users understand the vehicle's drivetrain components, performance, and capabilities. The sections are organized to make it easy to find specific details, while the quick reference table offers a summary of key specifications. Use the search and navigation instructions to efficiently locate the information you need.
How to Use
Use the search bar to enter keywords related to the drivetrain components or features you are looking for. The results will highlight relevant sections and subsections for quick access.
Scroll through the document or click on the section titles in the table of contents to jump to specific areas. Each section is divided into subsections for detailed information.
Key Specifications
Transmission Type
4-speed automatic
Transfer Case Modes
2WD, 4H, 4L
Rear Differential
Open (optional LSD)
Front Differential
Integrated
Drivetrain System
Part-time 4WD
Available Specifications
Transmission System
This section covers the transmission system of the Infiniti QX4, including its type, gear ratios, and operational features. Learn how the transmission contributes to the vehicle's performance and efficiency.
Transmission System
This section covers the transmission system of the Infiniti QX4, including its type, gear ratios, and operational features. Learn how the transmission contributes to the vehicle's performance and efficiency.
Transmission Type
- 4-speed automatic transmission
- Electronic control with overdrive
- Adaptive shift control system
- Smooth and responsive gear changes
Gear Ratios
- 1st gear: 2.785:1
- 2nd gear: 1.545:1
- 3rd gear: 1.000:1
- 4th gear: 0.694:1
- Reverse gear: 2.272:1
Transfer Case
Explore the transfer case system, which enables the Infiniti QX4 to switch between two-wheel drive and four-wheel drive modes. Understand its design and functionality for optimal off-road and on-road performance.
Transfer Case
Explore the transfer case system, which enables the Infiniti QX4 to switch between two-wheel drive and four-wheel drive modes. Understand its design and functionality for optimal off-road and on-road performance.
Transfer Case Type
- Electronic shift-on-the-fly transfer case
- 2WD and 4WD modes
- 4H (High range) and 4L (Low range) options
- Seamless transition between modes
4WD System Features
- Part-time 4WD system
- Torque distribution to front and rear axles
- Enhanced traction on slippery surfaces
- Manual shift lever for mode selection
Differential System
This section details the differential system, which plays a crucial role in distributing power to the wheels. Discover how the Infiniti QX4's differential system enhances stability and control.
Differential System
This section details the differential system, which plays a crucial role in distributing power to the wheels. Discover how the Infiniti QX4's differential system enhances stability and control.
Rear Differential
- Open differential design
- Standard on all models
- Optional limited-slip differential available
- Improved traction in uneven terrain
Front Differential
- Integrated with the front axle
- Supports 4WD functionality
- Designed for durability and reliability
- Contributes to balanced power distribution
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Component Specifications
Overview
- Type
- All-Wheel Drive (AWD)
- Configuration
- Front-engine, rear-wheel drive with transfer case
- Platform
- FM Platform
- Material
- High-strength steel
- Location
- Underbody, center-mounted
Dimensions
- Transfer Case Length
- 12.5 inches (317.5 mm)
- Transfer Case Width
- 8.7 inches (221 mm)
- Transfer Case Height
- 7.3 inches (185.4 mm)
- Driveshaft Diameter
- 3.1 inches (78.7 mm)
- Driveshaft Length
- 45.7 inches (1160.8 mm)
- Rear Differential Width
- 14.2 inches (360.7 mm)
- Rear Differential Height
- 9.8 inches (248.9 mm)
Materials
- Transfer Case
- Aluminum alloy
- Driveshaft
- High-strength steel
- Rear Differential
- Cast iron
- Axles
- Forged steel
Features
- Drivetrain Modes
-
- 2WD (Rear-wheel drive)
- 4H (High-range four-wheel drive)
- 4L (Low-range four-wheel drive)
- Traction Control
-
- Electronic Limited Slip Differential (ELSD)
- Traction Control System (TCS)
- Vehicle Dynamic Control (VDC)
- Transfer Case
-
- Electronic shift-on-the-fly
- Torque split control
- Low-range gearing
- Differential
-
- Open rear differential
- Limited-slip option
- Sealed for life
Safety Features
- Stability Control
-
- Vehicle Dynamic Control (VDC)
- Anti-lock Braking System (ABS) integration
- Traction Management
-
- Automatic torque distribution
- Wheel slip prevention
- Structural integrity
-
- Reinforced driveshaft
- Crash-resistant differential housing
Comfort Features
- Noise Reduction
-
- Insulated transfer case
- Balanced driveshaft
- Vibration Control
-
- Rubber-mounted differential
- Dynamic damper system
- Driving Modes
-
- Smooth 2WD for highway
- Stable 4H for wet conditions
- Powerful 4L for off-road
Accessories
- Off Road
-
- Skid plates
- Heavy-duty driveshaft
- Upgraded differential cover
- Performance
-
- Limited-slip differential
- High-performance axles
- Reinforced transfer case
- Maintenance
-
- Differential fluid
- Transfer case fluid
- Driveshaft grease
Maintenance
- Service interval
-
- Every 30,000 miles for fluid checks
- Every 60,000 miles for full inspection
- Every 100,000 miles for major service
- Service Items
-
- Transfer case fluid replacement
- Differential oil change
- Driveshaft inspection
- U-joint lubrication
- Seal and gasket checks
- Maintenance Notes
-
- Use only manufacturer-recommended fluids
- Inspect for leaks regularly
- Check for unusual noises or vibrations
Warranty
- Basic Warranty
- Miles: 60000Years: 4Coverage: Parts and labor
- Powertrain Warranty
- Miles: 100000Years: 7Coverage: Drivetrain components
- Corrosion Warranty
- Miles: unlimitedYears: 7Coverage: Rust perforation
- Roadside Assistance
- Miles: unlimitedYears: 4Coverage: 24/7 assistance
Production Details
- Manufacturer
- Nissan Motor Co., Ltd.
- Manufacturing Process
-
- Precision machining
- Robotic assembly
- Quality testing
- Quality Control
- Testing: Durability tests, Vibration analysis, Leak checksStandards: ISO 9001, JIS standards
- Sustainability Practices
-
- Recycled materials
- Energy-efficient production
- Waste reduction
- Production Metrics
- Units Per Year: Approximately 25,000Lead Time: 3-4 weeksCapacity: 30,000 units annually
Service Information for drivetrain Service
Maintenance and service requirements specific to this component
- Inspect transfer case fluid
- Check differential oil level
- Lubricate U-joints
- Inspect driveshaft for damage
- Check for leaks
Use only manufacturer-recommended fluids
- Replace transfer case fluid
- Change differential oil
- Inspect and grease driveshaft
- Check seals and gaskets
- Test drivetrain operation
Ensure proper torque on all fasteners
- Full drivetrain inspection
- Replace differential oil
- Replace transfer case fluid
- Inspect and replace U-joints if necessary
- Test electronic controls
May require specialized tools for electronic systems
Frequently Asked Questions
Find answers to common questions about torque specifications
Q1 What are the drivetrain specifications for the 1997-2003 Infiniti QX4?
What are the drivetrain specifications for the 1997-2003 Infiniti QX4?
The 1997-2003 Infiniti QX4 features a 4WD system with a part-time transfer case, allowing drivers to switch between 2WD and 4WD modes. It is equipped with a 3.5L V6 engine producing 240 horsepower and 265 lb-ft of torque. The drivetrain includes a 4-speed automatic transmission and a limited-slip differential for improved traction. This system is compatible with standard SUVs and light off-road use, ensuring stability and control in various driving conditions.
Q2 What are the maintenance requirements for the Infiniti QX4 drivetrain?
What are the maintenance requirements for the Infiniti QX4 drivetrain?
Regular maintenance of the Infiniti QX4 drivetrain includes checking and replacing the transfer case and differential fluids every 30,000 miles. Inspect the drivetrain components for wear and tear during routine service intervals. Ensure the 4WD system is engaged periodically to maintain functionality. Replace worn-out U-joints and CV axles as needed. Proper lubrication of drivetrain parts and timely alignment checks are essential for optimal performance and longevity.
Q3 How do I replace the transfer case in a 1997-2003 Infiniti QX4?
How do I replace the transfer case in a 1997-2003 Infiniti QX4?
To replace the transfer case, first, lift the vehicle and secure it on jack stands. Disconnect the driveshafts and wiring harness connected to the transfer case. Remove the mounting bolts and carefully lower the transfer case. Install the new transfer case by reversing the steps, ensuring all bolts are torqued to the manufacturer’s specifications. Reconnect the driveshafts and wiring, then test the 4WD system to confirm proper operation.
Q4 What should I do if the 4WD system in my Infiniti QX4 is not engaging?
What should I do if the 4WD system in my Infiniti QX4 is not engaging?
If the 4WD system fails to engage, start by checking the transfer case fluid level and condition. Inspect the 4WD actuator and wiring for damage or corrosion. Test the transfer case control module for functionality. Ensure the transfer case shift lever or switch is operating correctly. If issues persist, consult a professional mechanic to diagnose and repair the system, as internal components may require attention.
Q5 How can I optimize the performance of my Infiniti QX4 drivetrain?
How can I optimize the performance of my Infiniti QX4 drivetrain?
To optimize drivetrain performance, use high-quality synthetic fluids for the transfer case and differentials. Regularly inspect and maintain drivetrain components to prevent wear. Upgrade to performance U-joints and CV axles for enhanced durability. Ensure proper tire alignment and inflation to reduce drivetrain strain. Periodically engage the 4WD system to keep it functional. Avoid harsh off-road conditions that may stress the drivetrain unnecessarily.
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 Service Manual
Coming SoonThe official service manual for the 1997-2003 Infiniti QX4, covering drivetrain maintenance, repair procedures, and technical specifications.
Drivetrain Technical Service Bulletin
Coming SoonA technical bulletin addressing common drivetrain issues and updates for the 1997-2003 Infiniti QX4, including repair recommendations.
Infiniti QX4 Parts Catalog
Coming SoonA comprehensive catalog of drivetrain parts and accessories for the 1997-2003 Infiniti QX4, including part numbers and compatibility details.
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