Infiniti QX80 2014-present 7R01 Transmission Specifications
This document provides detailed technical specifications for the 7R01 transmission used in the 2014-Present Infiniti QX80. It includes information on gear ratios, torque capacity, fluid requirements, and maintenance intervals. These specifications are essential for understanding the transmission's performance, ensuring proper maintenance, and diagnosing potential issues. The document is designed to assist automotive technicians, enthusiasts, and owners in optimizing the vehicle's performance and longevity. By following these specifications, users can ensure compatibility with replacement parts, improve fuel efficiency, and enhance overall driving experience.
Overview Specifications
This document provides detailed specifications and technical information about the 7r01-transmission used in the 2014-Present Infiniti QX80. It is designed to assist technicians, engineers, and enthusiasts in understanding the transmission's features, performance, and maintenance requirements. Use the search and navigation instructions to quickly locate specific details or browse through the sections for comprehensive insights.
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Key Specifications
Transmission Type
7-speed automatic
Torque Capacity
550 lb-ft
Fluid Capacity
9.5 quarts
Weight
187 lbs
Service Interval
60,000 miles
Available Specifications
Transmission Design
This section covers the design and engineering principles behind the 7r01-transmission, including its construction, materials, and layout. Learn about the transmission's architecture and how it integrates with the Infiniti QX80's drivetrain.
Transmission Design
This section covers the design and engineering principles behind the 7r01-transmission, including its construction, materials, and layout. Learn about the transmission's architecture and how it integrates with the Infiniti QX80's drivetrain.
Construction and Materials
- Aluminum alloy casing for reduced weight
- High-strength steel gears for durability
- Precision-machined components for smooth operation
- Advanced sealing technology to prevent leaks
Layout and Integration
- Longitudinal placement for optimal weight distribution
- Seamless integration with the V8 engine
- Compact design to maximize cabin space
- Direct linkage to the all-wheel-drive system
Performance Specifications
Explore the performance capabilities of the 7r01-transmission, including gear ratios, shift times, and torque handling. This section provides insights into how the transmission enhances the driving experience.
Performance Specifications
Explore the performance capabilities of the 7r01-transmission, including gear ratios, shift times, and torque handling. This section provides insights into how the transmission enhances the driving experience.
Gear Ratios and Shift Times
- 7-speed automatic transmission with wide gear ratios
- Quick shift times of under 0.3 seconds
- Adaptive shift logic for smooth transitions
- Manual mode for driver-controlled shifting
Torque Handling
- Rated for up to 550 lb-ft of torque
- Optimized for high-performance driving
- Robust clutch packs for reliable power delivery
- Thermal management system to prevent overheating
Maintenance and Durability
This section provides guidelines for maintaining the 7r01-transmission, including service intervals, fluid requirements, and common troubleshooting tips. Ensure longevity and reliability with proper care.
Maintenance and Durability
This section provides guidelines for maintaining the 7r01-transmission, including service intervals, fluid requirements, and common troubleshooting tips. Ensure longevity and reliability with proper care.
Service Intervals
- Fluid change recommended every 60,000 miles
- Filter replacement with every fluid change
- Inspection of seals and gaskets during service
- Diagnostic scans to detect early issues
Fluid Requirements
- Use of synthetic transmission fluid
- Specific viscosity grade for optimal performance
- Fluid capacity of 9.5 quarts
- Compatibility with Infiniti-approved additives
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Transmission Specifications
Overview
- Type
- 7-Speed Automatic Transmission
- Configuration
- Longitudinal
- Platform
- FR-L (Front Engine, Rear-Wheel Drive / All-Wheel Drive)
- Material
- Aluminum alloy casing
- Location
- Mounted longitudinally behind the engine
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 18.3 inches (465 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Diameter
- 1.2 inches (30.5 mm)
- Output Shaft Diameter
- 1.5 inches (38.1 mm)
- Fluid Capacity
- 9.8 quarts (9.3 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Carbon fiber composite
- Seals
- Viton rubber
- Cooling Lines
- Stainless steel
Features
- Shift Technology
-
- Adaptive Shift Control (ASC)
- Manual shift mode with paddle shifters
- Downshift Rev Matching
- Smooth shift logic for improved comfort
- Performance
-
- Wide gear ratio spread for optimal acceleration and efficiency
- Torque converter with lock-up clutch
- Enhanced cooling system for high-load conditions
- Quick response to throttle inputs
- Durability
-
- Reinforced gear sets for high torque handling
- Advanced lubrication system
- Heat-treated components for longevity
- Sealed bearings for reduced wear
- integration
-
- Compatible with Infiniti Drive Mode Selector
- Seamless integration with All-Wheel Drive system
- Electronic control unit (ECU) communication
- Adaptive learning for driver behavior
- Efficiency
-
- Reduced internal friction for better fuel economy
- Optimized gear ratios for highway cruising
- Eco mode for improved efficiency
- Lightweight design for reduced vehicle weight
Safety Features
- Fail Safe
-
- Transmission limp mode for emergency operation
- Overheat protection system
- Fluid pressure monitoring
- Driver Assistance
-
- Hill Start Assist
- Grade Logic Control for downhill driving
- Anti-rollback feature
- System Protection
-
- Automatic shift lock
- Parking pawl engagement safety
- Neutral safety switch
Comfort Features
- Noise Reduction
-
- Precision-machined gears for quiet operation
- Vibration-dampening mounts
- Acoustic insulation in casing
- Smoothness
-
- Adaptive shift smoothing
- Torque converter tuning for low-speed comfort
- Reduced shift shock
- Convenience
-
- One-touch manual mode activation
- Auto-hold function in traffic
- Seamless integration with cruise control
Accessories
- Cooling
-
- Transmission oil cooler
- Auxiliary cooling fan
- High-capacity fluid pump
- Performance
-
- Upgraded torque converter
- Performance shift kit
- Reinforced clutch packs
- Maintenance
-
- Transmission fluid dipstick
- Drain plug with magnetic tip
- Service port for diagnostics
Maintenance
- Service interval
- Every 60,000 miles or 60 months
- Service Items
-
- Transmission fluid and filter replacement
- Inspect for leaks and wear
- Check and adjust shift linkage
- Test electronic control unit (ECU)
- Inspect cooling system and lines
- Maintenance Notes
- Use only manufacturer-recommended transmission fluid. Avoid towing beyond rated capacity to prevent overheating.
Warranty
- Basic
- Miles: 60,000Years: 5Coverage: Parts and labor for defects
- Powertrain
- Miles: 100,000Years: 7Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 7Coverage: Perforation from corrosion
- Emissions
- Miles: 80,000Years: 8Coverage: Emissions-related components
Production Details
- Manufacturer
- JATCO Ltd.
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly line
- Laser alignment of components
- Robotic quality inspection
- Quality Control
- Testing: Durability testing under extreme conditions, Shift pattern validation, Noise and vibration analysisStandards: ISO 9001 certified, JATCO internal quality standards, Infiniti performance benchmarks
- Sustainability Practices
-
- Recycled aluminum in casing
- Eco-friendly fluid options
- Energy-efficient manufacturing
- Production Metrics
- Annual Output: 150,000 unitsDefect Rate: Less than 0.1%Lead Time: 4 weeks
Service Information for 7r01 transmission Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level and condition
- Check for leaks around seals and gaskets
- Test shift response and smoothness
- Inspect cooling lines and connections
Early detection of issues can prevent major repairs.
- Replace transmission fluid and filter
- Inspect and adjust shift linkage
- Test electronic control unit (ECU) functionality
- Check torque converter operation
Use only manufacturer-approved fluids and parts.
- Complete transmission fluid flush
- Inspect and replace worn clutch packs if necessary
- Test and recalibrate shift points
- Perform full diagnostic scan
Major service may require specialized tools and equipment.
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications and compatibility details for the 7r01 transmission in the 2014-Present Infiniti QX80?
What are the technical specifications and compatibility details for the 7r01 transmission in the 2014-Present Infiniti QX80?
The 7r01 transmission is a 7-speed automatic transmission designed for the 2014-Present Infiniti QX80. It is compatible with the 5.6L V8 engine and supports both 2WD and 4WD configurations. The transmission features adaptive shift control, manual shift mode, and a torque converter lockup clutch for improved fuel efficiency. It is engineered to handle up to 400 horsepower and 413 lb-ft of torque, ensuring smooth and reliable performance.
Q2 What are the maintenance requirements for the 7r01 transmission in the Infiniti QX80?
What are the maintenance requirements for the 7r01 transmission in the Infiniti QX80?
The 7r01 transmission requires regular maintenance to ensure optimal performance. It is recommended to check the transmission fluid level every 30,000 miles and replace it every 60,000 miles. Inspect for leaks, wear, and damage during routine service. Additionally, the transmission filter should be replaced every 100,000 miles. Adhering to these maintenance schedules helps prevent premature wear and extends the lifespan of the transmission.
Q3 How do I install or replace the 7r01 transmission in the Infiniti QX80?
How do I install or replace the 7r01 transmission in the Infiniti QX80?
Replacing the 7r01 transmission involves several steps. First, disconnect the battery and remove the transmission pan to drain the fluid. Disconnect the driveshaft, wiring harness, and cooling lines. Support the engine and remove the transmission crossmember and mounts. Lower the transmission carefully and install the new unit in reverse order. Ensure proper alignment and torque specifications for all bolts. Refill with the recommended transmission fluid and test for leaks and proper operation.
Q4 What are common troubleshooting steps for the 7r01 transmission in the Infiniti QX80?
What are common troubleshooting steps for the 7r01 transmission in the Infiniti QX80?
If you experience issues with the 7r01 transmission, start by checking the transmission fluid level and condition. Low or dirty fluid can cause shifting problems. Inspect for leaks or damaged wiring. Use a diagnostic scanner to check for error codes. Common issues include delayed shifts, slipping, or harsh engagement, which may require fluid replacement, solenoid repair, or software updates. Consult a professional for complex diagnostics.
Q5 How can I optimize the performance of the 7r01 transmission in the Infiniti QX80?
How can I optimize the performance of the 7r01 transmission in the Infiniti QX80?
To optimize the 7r01 transmission, use the recommended transmission fluid and change it at regular intervals. Avoid aggressive driving and excessive towing to reduce wear. Ensure the transmission is properly calibrated by updating the software as needed. Regularly inspect and maintain the cooling system to prevent overheating. These practices help maintain smooth shifts, improve fuel efficiency, and extend the transmission's lifespan.
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 QX80 7r01 Transmission Service Manual
Coming SoonDetailed service manual covering installation, maintenance, and troubleshooting for the 7r01 transmission in the Infiniti QX80.
Technical Service Bulletin for 7r01 Transmission Updates
Coming SoonLatest updates and fixes for the 7r01 transmission, including software updates and common issues.
Infiniti QX80 Transmission Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket parts for the 7r01 transmission, including filters, gaskets, and seals.
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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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