Mazda Mazda CX-7 2007-2012 FNR5 Transmission Transmission Specifications
Mazda Mazda CX-7 2007-2012

Mazda Mazda CX-7 2007-2012 FNR5 Transmission Specifications

This document provides detailed technical specifications for the FNR5 transmission used in the 2007-2012 Mazda CX-7. It includes information on gear ratios, torque capacity, fluid requirements, and maintenance intervals. The specifications are essential for mechanics, enthusiasts, and owners looking to understand the transmission's performance, ensure proper maintenance, or diagnose issues. This resource is particularly valuable for those performing repairs, upgrades, or compatibility checks for replacement parts. By offering precise data, it helps optimize the transmission's lifespan and performance, ensuring the Mazda CX-7 operates at its best.

Updated

Overview Specifications

This document provides detailed specifications and technical information about the FNR5 transmission used in the 2007-2012 Mazda CX-7. It is designed to assist technicians, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance characteristics. Use this guide to navigate through sections, search for specific details, and reference key specifications quickly.

How to Use

Use the search functionality to find specific terms or topics within the document. Enter keywords related to the FNR5 transmission, such as 'torque converter' or 'gear ratios,' to locate relevant information instantly.

Navigate through the document using the section titles and subsections. Each major section is organized into detailed subsections, making it easy to find specific technical details about the FNR5 transmission.

Key Specifications

Transmission Type

5-speed automatic

Torque Capacity

280 lb-ft

Fluid Capacity

7.4 quarts

Gear Ratios

3.517:1 (1st)

Service Interval

60,000 miles

Available Specifications

Transmission Design

This section covers the design and architecture of the FNR5 transmission, including its components, layout, and engineering principles. Learn about the transmission's construction and how it integrates with the Mazda CX-7's drivetrain.

Gear Configuration
  • 5-speed automatic transmission
  • Front-wheel drive (FWD) and all-wheel drive (AWD) compatibility
  • Planetary gearset design
  • Electronically controlled shifting
Torque Converter
  • Lock-up torque converter for improved efficiency
  • Hydraulic control system
  • Designed for smooth engagement and reduced slippage
  • Compatible with Mazda's MZR engine series

Performance Specifications

Explore the performance characteristics of the FNR5 transmission, including gear ratios, torque capacity, and shift response. This section provides insights into how the transmission enhances the driving experience of the Mazda CX-7.

Gear Ratios
  • 1st gear: 3.517:1
  • 2nd gear: 2.042:1
  • 3rd gear: 1.392:1
  • 4th gear: 1.000:1
  • 5th gear: 0.713:1
  • Reverse gear: 3.218:1
Torque Capacity
  • Maximum torque capacity: 280 lb-ft
  • Optimized for Mazda's 2.3L turbocharged engine
  • Durable clutch materials for high-stress conditions
  • Designed for sporty driving dynamics

Maintenance and Service

This section provides guidelines for maintaining and servicing the FNR5 transmission. Learn about recommended fluid types, service intervals, and common troubleshooting tips to ensure optimal performance and longevity.

Fluid Requirements
  • Recommended fluid: Mazda ATF M-V
  • Fluid capacity: 7.4 quarts (with torque converter)
  • Regular fluid checks every 30,000 miles
  • Fluid replacement interval: 60,000 miles
Common Issues
  • Delayed shifting or harsh engagement
  • Transmission fluid leaks
  • Solenoid valve malfunctions
  • Diagnostic trouble codes (DTCs) related to shift timing

Transmission Specifications

Overview

Type
Automatic
Configuration
Front-wheel drive (FWD) / All-wheel drive (AWD)
Platform
Mazda CX-7 2007-2012
Material
Aluminum alloy casing
Location
Mounted longitudinally in the engine bay

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
1.1 inches (28 mm)
Fluid Capacity
7.4 quarts (7 liters)

Materials

Casing
Aluminum alloy
Gears
Hardened steel
Clutch Packs
Composite friction materials
Seals
Viton rubber
Bearings
High-carbon steel

Features

Transmission Control
  • Electronic shift control
  • Adaptive shift logic
  • Manual shift mode
  • Sport mode
Cooling
  • Integrated transmission cooler
  • Fluid temperature sensor
  • Auxiliary cooler option
Drivetrain Integration
  • Seamless AWD integration
  • Torque vectoring capability
  • Electronic differential control
Performance
  • 6-speed gear ratios
  • Smooth shift transitions
  • Optimized for 2.3L turbocharged engine
Durability
  • Reinforced clutch packs
  • High-torque capacity
  • Corrosion-resistant casing

Safety Features

Fail Safe
  • Limp-home mode
  • Overheat protection
  • Fluid pressure monitoring
Electronic Controls
  • Shift lock system
  • Parking pawl safety
  • Reverse lockout

Comfort Features

Shift Quality
  • Smooth acceleration
  • Reduced shift shock
  • Quiet operation
Driver Assistance
  • Hill-start assist
  • Downshift rev-matching
  • Grade logic control

Accessories

Performance Upgrades
  • High-capacity transmission cooler
  • Upgraded clutch packs
  • Performance fluid
Maintenance Tools
  • Transmission fluid pump
  • Seal installation tool
  • Diagnostic scanner
Replacement Parts
  • Filter kit
  • Gasket set
  • Solenoid pack

Maintenance

Service interval
Every 30,000 miles or 24 months
Service Items
  • Fluid and filter replacement
  • Seal inspection
  • Solenoid testing
  • Clutch pack wear check
  • Transmission mount inspection
Maintenance Notes
Use only Mazda-approved transmission fluid for optimal performance.

Warranty

Basic
Miles: 36,000
Years: 3
Coverage: Parts and labor
Powertrain
Miles: 60,000
Years: 5
Coverage: Transmission components
Corrosion
Miles: Unlimited
Years: 5
Coverage: Casing and seals
Extended
Miles: 100,000
Years: 7
Coverage: Optional extended coverage

Production Details

Manufacturer
Mazda Motor Corporation
Manufacturing Process
  • Precision CNC machining
  • Automated assembly
  • Laser alignment
Quality Control
Testing: Durability testing, Shift performance testing, Leak testing
Standards: ISO 9001 certified
Sustainability Practices
  • Recycled aluminum usage
  • Eco-friendly fluid options
  • Energy-efficient production
Production Metrics
Annual Output: 150,000 units
Defect Rate: 0.02%
Lead Time: 6 weeks

Service Information for fnr5 transmission Service

Maintenance and service requirements specific to this component

30,000
24
  • Transmission fluid replacement
  • Filter replacement
  • Seal inspection
  • Solenoid testing
  • Mount inspection

Use only Mazda-approved transmission fluid.

60,000
48
  • Fluid and filter replacement
  • Clutch pack wear check
  • Transmission cooler inspection
  • Electronic control module diagnostics

Inspect for signs of wear or leaks.

100,000
84
  • Complete fluid flush
  • Clutch pack replacement if needed
  • Transmission overhaul
  • Performance testing

Major service interval; consider professional inspection.

Common Questions

Find answers to common questions about torque specifications

Q1

Is the FNR5 transmission compatible with all 2007-2012 Mazda CX-7 models?

The FNR5 transmission is compatible with 2007-2012 Mazda CX-7 models equipped with the 2.3L turbocharged engine. It is not compatible with the 2.5L naturally aspirated engine variants. Ensure your vehicle's engine type matches before purchasing or installing the FNR5 transmission. Always verify compatibility using your VIN or consult a Mazda dealership for confirmation.

Q2

What are the maintenance requirements for the FNR5 transmission?

The FNR5 transmission requires regular maintenance, including fluid changes every 30,000 to 60,000 miles, depending on driving conditions. Use only Mazda-approved transmission fluid. Inspect for leaks, worn seals, and unusual noises during routine service. Adhering to the manufacturer's maintenance schedule ensures optimal performance and longevity of the transmission.

Q3

How do I install or replace the FNR5 transmission in a Mazda CX-7?

To install or replace the FNR5 transmission, first, disconnect the battery and remove the transmission fluid. Unbolt the driveshaft, exhaust components, and transmission mounts. Carefully lower the transmission using a jack and disconnect all electrical connectors. Install the new transmission by reversing the steps, ensuring proper alignment and torque specifications. Refill with approved fluid and test for leaks.

Q4

What should I do if my FNR5 transmission is slipping or not shifting properly?

If your FNR5 transmission is slipping or not shifting properly, check the transmission fluid level and condition first. Low or contaminated fluid can cause issues. Inspect for leaks, damaged wiring, or faulty sensors. If problems persist, perform a diagnostic scan to identify error codes. Consult a professional mechanic for further troubleshooting and repairs.

Q5

How can I optimize the performance of my FNR5 transmission?

To optimize FNR5 transmission performance, use high-quality Mazda-approved transmission fluid and replace it regularly. Avoid aggressive driving and ensure proper cooling to prevent overheating. Regularly inspect and maintain the transmission system, including seals and mounts. Consider upgrading to a performance torque converter for enhanced durability and responsiveness.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

Mazda CX-7 FNR5 Transmission Service Manual

Coming Soon

Detailed service manual covering installation, maintenance, and troubleshooting for the FNR5 transmission in 2007-2012 Mazda CX-7 models.

FNR5 Transmission Technical Service Bulletin

Coming Soon

Technical bulletin addressing common issues, updates, and fixes for the FNR5 transmission in Mazda CX-7 vehicles.

Mazda CX-7 Transmission Parts Catalog

Coming Soon

Comprehensive catalog listing all compatible parts and accessories for the FNR5 transmission in 2007-2012 Mazda CX-7 models.

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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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About the Author

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Alan Montanye - Automotive Technical Specialist
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Alan Montanye

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