Mazda Mazda CX-9 2007-2015 F21 Transmission Specifications
This document provides detailed technical specifications for the F21 transmission used in the 2007-2015 Mazda CX-9. It includes information on gear ratios, torque capacity, fluid requirements, and maintenance intervals. These specifications are essential for mechanics, enthusiasts, and owners looking to understand the transmission's performance, ensure proper maintenance, or plan upgrades. The data is sourced from official Mazda service manuals and technical bulletins, ensuring accuracy and reliability. Whether you're diagnosing an issue, performing a rebuild, or optimizing performance, this guide offers valuable insights into the F21 transmission's design and operation.
Overview Specifications
This document provides detailed specifications and technical information about the F21 transmission used in the 2007-2015 Mazda CX-9. It is designed to assist technicians, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance characteristics. Use the search and navigation instructions to quickly locate specific details or browse through the sections for comprehensive insights.
How to Use
Use the search bar to enter keywords related to the F21 transmission, such as 'torque converter' or 'gear ratios'. The search will highlight relevant sections and subsections for quick access.
Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Transmission Type
6-speed automatic
Max Torque Capacity
280 lb-ft
Weight
187 lbs
Fluid Capacity
9.5 quarts
Service Interval
60,000 miles
Available Specifications
Transmission Design
This section covers the design and architecture of the F21 transmission, including its components, layout, and engineering principles. Learn about the transmission's construction and how it integrates with the Mazda CX-9's drivetrain.
Transmission Design
This section covers the design and architecture of the F21 transmission, including its components, layout, and engineering principles. Learn about the transmission's construction and how it integrates with the Mazda CX-9's drivetrain.
Gearbox Configuration
- 6-speed automatic transmission
- Front-wheel drive (FWD) and all-wheel drive (AWD) compatibility
- Compact and lightweight design for improved fuel efficiency
- Dual-clutch system for smooth gear shifts
Torque Converter
- Lock-up torque converter for reduced slippage
- Optimized for 3.7L V6 engine output
- Enhanced cooling system for durability
- Low-vibration design for smoother operation
Performance Specifications
Explore the performance metrics of the F21 transmission, including gear ratios, shift times, and torque handling capabilities. This section provides insights into how the transmission enhances the driving experience.
Performance Specifications
Explore the performance metrics of the F21 transmission, including gear ratios, shift times, and torque handling capabilities. This section provides insights into how the transmission enhances the driving experience.
Gear Ratios
- 1st gear: 3.48:1
- 2nd gear: 2.00:1
- 3rd gear: 1.36:1
- 4th gear: 1.00:1
- 5th gear: 0.74:1
- 6th gear: 0.58:1
Shift Performance
- Shift times under 200 milliseconds
- Adaptive shift logic for varying driving conditions
- Sport mode for quicker shifts and enhanced responsiveness
- Manual shift mode for driver control
Maintenance and Durability
This section outlines the maintenance requirements and durability features of the F21 transmission. Learn about recommended service intervals, common issues, and tips for extending the transmission's lifespan.
Maintenance and Durability
This section outlines the maintenance requirements and durability features of the F21 transmission. Learn about recommended service intervals, common issues, and tips for extending the transmission's lifespan.
Service Intervals
- Transmission fluid change every 60,000 miles
- Filter replacement with fluid change
- Inspect for leaks and wear every 30,000 miles
- Software updates for transmission control module
Durability Features
- High-strength materials for gears and shafts
- Sealed design to prevent contamination
- Thermal management system for consistent performance
- Tested for 150,000+ miles under extreme conditions
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Transmission Specifications
Overview
- Type
- 6-speed automatic
- Configuration
- Front-wheel drive (FWD) / All-wheel drive (AWD)
- Platform
- Mazda MZR CD engine platform
- Material
- Aluminum alloy casing
- Location
- Front longitudinal
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
- 7.4 quarts (7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
Features
- Shift Technology
-
- Adaptive shift control
- Manual shift mode
- Sport mode
- Grade logic control
- Cooling
-
- Integrated transmission fluid cooler
- Thermostatic control
- External cooler option
- Durability
-
- Reinforced gear sets
- High-strength bearings
- Sealed lubrication system
- Performance
-
- Smooth shift transitions
- Optimized gear ratios
- Low friction design
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Fluid pressure monitoring
- Electronic Controls
-
- Transmission control module (TCM)
- CAN bus integration
- Diagnostic fault codes
Comfort Features
- Noise Reduction
-
- Precision gear machining
- Vibration dampening mounts
- Acoustic insulation
- Drivability
-
- Smooth acceleration
- Seamless gear changes
- Adaptive learning
Accessories
- Upgrades
-
- Performance shift kit
- External transmission cooler
- Heavy-duty mount kit
- Tools
-
- Transmission fluid pump
- Diagnostic scanner
- Torque converter lockup tool
- Fluids
-
- Mazda ATF M-V
- Synthetic transmission fluid
- Additive packages
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- Shift linkage adjustment
- Diagnostic scan
- Mount inspection
- Maintenance Notes
- Use only Mazda-approved fluids and follow torque specifications for reassembly.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission and drivetrain
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
Production Details
- Manufacturer
- Mazda Motor Corporation
- Manufacturing Process
-
- Precision CNC machining
- Heat treatment of gears
- Automated assembly
- Quality Control
- Testing: Durability testing, Shift performance analysis, Leak testingStandards: ISO 9001, JIS D 0101
- Sustainability
-
- Recycled aluminum usage
- Low-emission manufacturing
- Waste reduction programs
- Production Metrics
- Units Per Year: 150,000Defect Rate: 0.05%Lead Time: 4 weeks
Service Information for f21 transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid and filter
- Inspect seals and gaskets
- Check shift linkage operation
- Perform diagnostic scan
- Inspect mounts and bushings
Use Mazda ATF M-V fluid for optimal performance.
- Flush transmission fluid
- Inspect torque converter
- Check solenoid operation
- Test transmission pressure
- Inspect cooling system
Ensure proper fluid temperature during service.
- Replace clutch packs
- Inspect and replace worn gears
- Overhaul valve body
- Replace seals and gaskets
- Perform full diagnostic test
Major service requires specialized tools and expertise.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the f21-transmission compatible with all 2007-2015 Mazda CX-9 models?
Is the f21-transmission compatible with all 2007-2015 Mazda CX-9 models?
The f21-transmission is compatible with 2007-2015 Mazda CX-9 models equipped with the 3.7L V6 engine. It is specifically designed for front-wheel-drive (FWD) and all-wheel-drive (AWD) configurations. Ensure your vehicle's VIN is verified for compatibility, as certain trim levels or production years may have unique requirements. Always consult the manufacturer or a certified technician for confirmation.
Q2 What are the maintenance requirements for the f21-transmission in a Mazda CX-9?
What are the maintenance requirements for the f21-transmission in a Mazda CX-9?
The f21-transmission requires regular maintenance to ensure optimal performance. This includes fluid changes every 30,000-60,000 miles, depending on driving conditions. Inspect for leaks, worn seals, or unusual noises during routine service. Use only Mazda-approved transmission fluid (ATF M-V) to maintain warranty and performance standards. Regular software updates from Mazda dealerships are also recommended.
Q3 How do I install or replace the f21-transmission in a Mazda CX-9?
How do I install or replace the f21-transmission in a Mazda CX-9?
Replacing the f21-transmission involves several steps: 1) Disconnect the battery and remove the transmission fluid. 2) Detach the driveshaft, exhaust components, and transmission mounts. 3) Unbolt the transmission and carefully lower it using a transmission jack. 4) Install the new transmission, ensuring proper alignment and torque specifications. 5) Reconnect all components and refill with ATF M-V fluid. Professional installation is recommended.
Q4 What should I do if my f21-transmission is not shifting smoothly?
What should I do if my f21-transmission is not shifting smoothly?
If your f21-transmission is not shifting smoothly, start by checking the transmission fluid level and condition. Low or contaminated fluid can cause shifting issues. Inspect for error codes using an OBD-II scanner. Common solutions include fluid replacement, solenoid cleaning, or software updates. If problems persist, consult a certified technician for a thorough diagnostic.
Q5 How can I optimize the performance of my f21-transmission?
How can I optimize the performance of my f21-transmission?
To optimize the f21-transmission's performance, ensure regular fluid changes with ATF M-V. Avoid aggressive driving and excessive towing to reduce wear. Keep the transmission software updated through Mazda dealerships. Use high-quality fuel and maintain proper engine performance, as transmission behavior is closely linked to engine output. Regularly inspect for leaks or unusual noises.
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-9 Service Manual (2007-2015)
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the Mazda CX-9, including the f21-transmission.
Technical Service Bulletin: f21-Transmission Updates
Coming SoonDetails software updates and common issues for the f21-transmission in 2007-2015 Mazda CX-9 models.
Mazda CX-9 Parts and Accessories Catalog
Coming SoonCatalog listing genuine parts and accessories for the 2007-2015 Mazda CX-9, including transmission 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.
- 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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