Infiniti QX50 2014-2017 7R01 Transmission Specifications
This document provides detailed technical specifications for the 7R01 transmission system used in the 2014-2017 Infiniti QX50. It includes comprehensive information on gear ratios, torque capacity, fluid requirements, and performance characteristics. These specifications are essential for mechanics, enthusiasts, and owners for maintenance, repair, and performance enhancement purposes. The data is compiled from official service manuals and technical documents, ensuring accuracy and reliability. Whether you're diagnosing transmission issues, planning upgrades, or simply maintaining your vehicle, this resource offers valuable insights into the 7R01 transmission's design and operation.
Overview Specifications
This document provides detailed technical specifications and operational insights for the 7R01 transmission system used in the 2014-2017 Infiniti QX50. It is designed for automotive professionals, enthusiasts, and technicians seeking comprehensive information on transmission features, maintenance, and performance. Use this guide to understand the transmission's design, functionality, and key specifications. Navigate through sections to find specific details or use the search functionality to locate information quickly.
How to Use
To search for specific terms, use the search bar at the top of the document. Enter keywords related to the transmission system, such as 'gear ratios' or 'fluid capacity,' and press enter to view relevant results.
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Key Specifications
Transmission Type
7-speed automatic
Gear Ratios
4.780:1 to 1.000:1
Fluid Capacity
9.5 liters
Weight
85 kg
Service Interval
60,000 miles
Available Specifications
Transmission Design
This section covers the design and architecture of the 7R01 transmission system. It includes details on the transmission's construction, materials, and layout, providing a foundation for understanding its operation and maintenance.
Transmission Design
This section covers the design and architecture of the 7R01 transmission system. It includes details on the transmission's construction, materials, and layout, providing a foundation for understanding its operation and maintenance.
Transmission Layout
- Front-wheel drive (FWD) configuration
- 7-speed automatic transmission
- Compact and lightweight design
- Aluminum alloy casing for durability
- Optimized for smooth shifting
- Integrated torque converter
Material Composition
- High-strength steel gears
- Aluminum alloy housing
- Composite materials for weight reduction
- Corrosion-resistant coatings
- Heat-treated components for longevity
- Precision-engineered internal parts
Performance Specifications
This section outlines the performance characteristics of the 7R01 transmission, including gear ratios, shift patterns, and efficiency metrics. It provides insights into how the transmission enhances the driving experience in the Infiniti QX50.
Performance Specifications
This section outlines the performance characteristics of the 7R01 transmission, including gear ratios, shift patterns, and efficiency metrics. It provides insights into how the transmission enhances the driving experience in the Infiniti QX50.
Gear Ratios
- 1st gear: 4.780:1
- 2nd gear: 3.100:1
- 3rd gear: 2.180:1
- 4th gear: 1.740:1
- 5th gear: 1.310:1
- 6th gear: 1.000:1
Shift Patterns
- Adaptive Shift Control (ASC) technology
- Smooth and responsive gear changes
- Sport mode for aggressive shifting
- Manual mode for driver control
- Downshift rev matching
- Optimized for fuel efficiency
Maintenance and Service
This section provides guidelines for maintaining and servicing the 7R01 transmission. It includes information on fluid capacities, service intervals, and common troubleshooting tips to ensure optimal performance and longevity.
Maintenance and Service
This section provides guidelines for maintaining and servicing the 7R01 transmission. It includes information on fluid capacities, service intervals, and common troubleshooting tips to ensure optimal performance and longevity.
Fluid Requirements
- Transmission fluid capacity: 9.5 liters
- Recommended fluid type: Nissan Matic S ATF
- Fluid change interval: every 60,000 miles
- Fluid level check procedure
- Compatibility with aftermarket fluids
- Signs of fluid degradation
Service Intervals
- Inspection every 30,000 miles
- Filter replacement every 60,000 miles
- Seal inspection and replacement as needed
- Software updates at dealerships
- Solenoid valve testing
- Transmission flush recommendations
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Transmission Specifications
Overview
- Type
- 7-speed automatic
- Configuration
- Longitudinal
- Platform
- FR-L (Front Engine, Rear Drive)
- Material
- Aluminum alloy casing
- Location
- Rear-mounted
Dimensions
- Length
- 28.5 in (724 mm)
- Width
- 22.8 in (579 mm)
- Height
- 17.3 in (439 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Diameter
- 1.2 in (30.5 mm)
- Output Shaft Diameter
- 1.5 in (38.1 mm)
- Oil Capacity
- 8.5 quarts (8 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Case-hardened steel
- Clutch Packs
- Carbon fiber reinforced composites
- Seals
- Viton rubber
Features
- Performance
-
- Adaptive shift control
- Manual shift mode with paddle shifters
- Quick downshift rev-matching
- Sport mode optimization
- Efficiency
-
- Low friction bearings
- Optimized gear ratios
- Eco mode for fuel efficiency
- Durability
-
- Hardened gear teeth
- High-temperature clutch materials
- Sealed lubrication system
- Technology
-
- Electronic control unit (ECU) integration
- CAN bus communication
- Self-diagnostic system
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Mechanical
-
- Torque converter lock-up
- Anti-stall mechanism
Comfort Features
- Smoothness
-
- Hydraulic shift dampers
- Adaptive shift logic
- Quietness
-
- Helical cut gears
- Sound insulation
Accessories
- Optional
-
- Transmission cooler
- Upgraded paddle shifters
- Performance fluid
- Maintenance
-
- Fluid change kit
- Filter replacement kit
- Seal kit
Maintenance
- Service interval
- Every 60,000 miles or 48 months
- Service Items
-
- Transmission fluid replacement
- Filter replacement
- Seal inspection
- ECU software update
- Lubrication check
- Notes
- Use only manufacturer-recommended fluids and parts
Warranty
- Basic
- Miles: 60,000Years: 5Coverage: Parts and labor
- Powertrain
- Miles: 100,000Years: 7Coverage: Major components
- Corrosion
- Miles: UnlimitedYears: 7Coverage: Perforation only
- Notes
- Warranty void if non-recommended fluids or procedures are used
Production Details
- Manufacturer
- JATCO Ltd.
- Manufacturing Process
-
- Precision CNC machining
- Heat treatment
- Automated assembly
- Quality Control
- Testing: End-of-line dynamometer test, Leak test, ECU calibrationCertifications: ISO 9001, ISO 14001
- Sustainability
- Recycling: 95% of materials recyclableEnergy Efficiency: Low-energy production processes
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%
Service Information for 7r01 transmission Service
Maintenance and service requirements specific to this component
- Inspect fluid level and condition
- Check for leaks
- Inspect seals and gaskets
Use only manufacturer-recommended fluids
- Replace transmission fluid
- Replace filter
- Inspect clutch packs
- Check ECU software version
Requires special tools for fluid replacement
- Complete transmission overhaul
- Replace all seals and gaskets
- Inspect and replace worn gears
- Perform full system diagnostics
Recommended to be performed by certified technicians
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 7r01 transmission compatible with other Infiniti models?
Is the 7r01 transmission compatible with other Infiniti models?
The 7r01 transmission is specifically designed for the 2014-2017 Infiniti QX50 and is not compatible with other Infiniti models. It features a 7-speed automatic configuration, optimized for the QX50's V6 engine. Compatibility is limited due to unique mounting points, gear ratios, and electronic control systems tailored for this model. Always verify with a certified technician before attempting cross-model installations.
Q2 What are the maintenance requirements for the 7r01 transmission?
What are the maintenance requirements for the 7r01 transmission?
Regular maintenance for the 7r01 transmission includes checking and replacing the transmission fluid every 30,000 to 60,000 miles, depending on driving conditions. Inspect for leaks, ensure proper fluid levels, and replace the transmission filter if necessary. Periodic diagnostics of the transmission control module (TCM) are recommended to address any error codes or performance issues promptly.
Q3 How do I replace the 7r01 transmission in a 2014-2017 Infiniti QX50?
How do I replace the 7r01 transmission in a 2014-2017 Infiniti QX50?
To replace the 7r01 transmission, first, disconnect the battery and remove the transmission fluid. Unbolt the driveshaft, exhaust system, and transmission mounts. Disconnect the wiring harness and shift linkage. Use a transmission jack to lower the old transmission and install the new one in reverse order. Ensure proper torque specifications for all bolts and refill with the recommended transmission fluid.
Q4 What are common troubleshooting steps for the 7r01 transmission?
What are common troubleshooting steps for the 7r01 transmission?
Common issues with the 7r01 transmission include rough shifting, slipping gears, or warning lights. Start by checking the transmission fluid level and quality. Use a diagnostic tool to read error codes from the TCM. Inspect for leaks, damaged wiring, or faulty sensors. If problems persist, consult a certified technician for further diagnosis and repair.
Q5 How can I optimize the performance of the 7r01 transmission?
How can I optimize the performance of the 7r01 transmission?
To optimize the 7r01 transmission, use the manufacturer-recommended transmission fluid and change it regularly. Avoid aggressive driving and ensure the engine is properly tuned. Install a transmission cooler if towing or driving in extreme conditions. Regularly update the TCM software and perform diagnostics to maintain peak 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.
Infiniti QX50 7r01 Transmission Service Manual
Coming SoonComprehensive guide covering technical specifications, maintenance procedures, and repair instructions for the 7r01 transmission.
Technical Service Bulletin for 7r01 Transmission
Coming SoonOfficial bulletin addressing common issues, updates, and fixes for the 7r01 transmission in the 2014-2017 Infiniti QX50.
Infiniti QX50 Transmission Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts compatible with the 7r01 transmission, including part numbers and descriptions.
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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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