Buick Envision 2021-present 9T50 Transmission Specifications
This document provides detailed technical specifications for the 9T50 transmission used in the 2021-Present Buick Envision. It includes information on gear ratios, torque capacity, fluid type, and maintenance intervals. The purpose of this document is to assist automotive technicians, enthusiasts, and owners in understanding the transmission's design and performance characteristics. It also serves as a valuable resource for maintenance, repair, and upgrade planning. By offering precise data and insights, this guide ensures optimal transmission performance and longevity, enhancing the overall driving experience of the Buick Envision.
Overview Specifications
This document provides detailed specifications and technical information about the 9T50 transmission used in the 2021-Present Buick Envision. It is designed to help users understand the transmission's features, performance, and maintenance requirements. The document is organized into sections for easy navigation, and a quick reference guide is included for key specifications. Use the search and navigation instructions to find the information you need efficiently.
How to Use
Use the search function to locate specific terms or phrases related to the 9T50 transmission. Enter keywords in the search bar and review the results for relevant information.
Navigate through the document by clicking on the section titles in the table of contents. Each section contains detailed subsections with technical points for easy reference.
Key Specifications
Transmission Type
9-speed automatic
Torque Capacity
480 Nm
Gear Ratios
4.70:1 to 0.62:1
Fluid Capacity
9.5 liters
Service Interval
80,000 km
Available Specifications
Transmission Overview
This section provides an overview of the 9T50 transmission, including its design, capabilities, and integration into the 2021-Present Buick Envision. Learn about the transmission's key features and how it enhances vehicle performance.
Transmission Overview
This section provides an overview of the 9T50 transmission, including its design, capabilities, and integration into the 2021-Present Buick Envision. Learn about the transmission's key features and how it enhances vehicle performance.
Design and Architecture
- 9-speed automatic transmission
- Front-wheel drive and all-wheel drive compatibility
- Compact and lightweight design
- Hydraulic control system for precise shifting
Performance Features
- Optimized gear ratios for improved acceleration
- Enhanced fuel efficiency
- Smooth and responsive shifting
- Adaptive shift control for varying driving conditions
Technical Specifications
This section details the technical specifications of the 9T50 transmission, including torque capacity, gear ratios, and fluid requirements. Use this information for maintenance and performance tuning.
Technical Specifications
This section details the technical specifications of the 9T50 transmission, including torque capacity, gear ratios, and fluid requirements. Use this information for maintenance and performance tuning.
Torque and Gear Ratios
- Maximum torque capacity: 480 Nm (354 lb-ft)
- First gear ratio: 4.70:1
- Second gear ratio: 2.84:1
- Ninth gear ratio: 0.62:1
Fluid and Maintenance
- Recommended transmission fluid: Dexron VI
- Fluid capacity: 9.5 liters (10 quarts)
- Service interval: 80,000 km (50,000 miles)
- Sealed for life design with no dipstick
Integration with Buick Envision
This section explains how the 9T50 transmission is integrated into the Buick Envision, including its interaction with the engine, drivetrain, and vehicle control systems.
Integration with Buick Envision
This section explains how the 9T50 transmission is integrated into the Buick Envision, including its interaction with the engine, drivetrain, and vehicle control systems.
Engine and Drivetrain Compatibility
- Compatible with 2.0L turbocharged engine
- Supports both FWD and AWD configurations
- Integrated start-stop system
- Electronic control module for seamless operation
Vehicle Control Systems
- Integrated with Buick's Drive Mode Selector
- Supports adaptive cruise control
- Compatible with traction control systems
- Enhances overall driving stability and safety
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Transmission Specifications
Overview
- Type
- 9-speed automatic
- Configuration
- Transverse
- Platform
- GM FWD/AWD
- Material
- Aluminum casing
- Location
- Front-engine, front-wheel drive
Dimensions
- Length
- 22.5 inches / 571.5 mm
- Width
- 15.7 inches / 398.8 mm
- Height
- 12.3 inches / 312.4 mm
- Weight
- 187 lbs / 84.8 kg
- input Shaft Diameter
- 1.2 inches / 30.5 mm
- Output Shaft Diameter
- 1.1 inches / 27.9 mm
- Fluid Capacity
- 9.5 quarts / 9 liters
Materials
- Casing
- Aluminum alloy
- Gears
- High-strength steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
Features
- Performance
-
- Quick shift response
- Adaptive shift patterns
- Sport mode
- Towing mode
- Efficiency
-
- Wide gear ratio spread
- Low internal friction
- Optimized gear spacing
- Start-stop capability
- Control
-
- Electronic precision shift
- Manual shift mode
- Grade braking control
- Hill start assist
- integration
-
- Seamless engine integration
- Compatible with AWD systems
- Integrated transmission control module
- CAN bus communication
- Durability
-
- Robust gear design
- Enhanced cooling system
- High-temperature resistant materials
- Sealed for life components
Safety Features
- Monitoring
-
- Transmission fluid temperature sensor
- Gear position sensor
- Shift quality monitoring
- Protection
-
- Overheat protection
- Overload protection
- Fail-safe mode
- Emergency
-
- Neutral idle control
- Manual shift override
- Emergency park release
Comfort Features
- Smoothness
-
- Torque converter with lock-up clutch
- Low vibration design
- Quiet operation
- Convenience
-
- Auto park engagement
- Remote start compatibility
- Seamless stop-start operation
- Customization
-
- Driver selectable modes
- Adaptive learning
- Personalized shift patterns
Accessories
- installation
-
- Transmission mount kit
- Crossmember adapter
- Drive shaft coupler
- Maintenance
-
- Transmission fluid filter
- Fluid exchange kit
- Gasket set
- Performance
-
- Shift enhancement kit
- Cooler upgrade
- Performance fluid
Maintenance
- Service interval
- Every 45,000 miles or 48 months
- Service Items
-
- Transmission fluid change
- Filter replacement
- Seal inspection
- Shift quality check
- Control module update
- Maintenance Notes
- Use only specified transmission fluid; avoid overheating conditions.
Warranty
- Bumper To Bumper
- Miles: 36,000Years: 3Coverage: Comprehensive
- Powertrain
- Miles: 60,000Years: 5Coverage: Major components
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
- Warranty Terms
- Includes parts and labor; excludes abuse or neglect.
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision machining
- Automated assembly
- Robotic testing
- Quality Control
- inspection: 100% functional testingTolerance: Micron-level precisionCertification: ISO 9001
- Sustainability Practices
-
- Recycled materials
- Energy-efficient production
- Waste reduction programs
- Production Metrics
- Units Per Day: 500Defect Rate: 0.01%Lead Time: 14 days
Service Information for 9t50 transmission Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level
- Replace transmission fluid filter
- Check for leaks and seal integrity
- Update transmission control module software
Use only manufacturer-approved transmission fluid.
- Perform full fluid exchange
- Inspect clutch pack wear
- Check shift linkage adjustment
- Test torque converter operation
Requires specialized diagnostic tools.
- Inspect internal components for wear
- Replace worn clutch packs if necessary
- Check valve body operation
- Perform transmission performance test
Complete overhaul may be required at this interval.
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 9T50 transmission?
What are the technical specifications of the 9T50 transmission?
The 9T50 transmission is an 8-speed automatic transmission designed for front-wheel-drive and all-wheel-drive applications in the 2021-Present Buick Envision. It features a torque capacity of up to 260 lb-ft and is compatible with the 2.0L turbocharged engine. The transmission includes advanced features such as adaptive shift controls and a hydraulic torque converter for smooth power delivery.
Q2 What are the maintenance requirements for the 9T50 transmission?
What are the maintenance requirements for the 9T50 transmission?
Regular maintenance for the 9T50 transmission includes checking the transmission fluid level every 12,000 to 15,000 miles and replacing the fluid every 30,000 to 60,000 miles, depending on driving conditions. Inspections of the transmission cooler lines and connections should also be performed annually or as recommended by the manufacturer.
Q3 How do I install or replace the 9T50 transmission?
How do I install or replace the 9T50 transmission?
Replacing the 9T50 transmission requires specialized tools and expertise. Steps include draining the transmission fluid, disconnecting electrical connectors, removing the transmission mounts, and carefully extracting the unit from the vehicle. Installation involves reversing these steps, ensuring proper alignment and torque specifications. It is strongly recommended to seek professional assistance for this complex procedure.
Q4 How do I troubleshoot common issues with the 9T50 transmission?
How do I troubleshoot common issues with the 9T50 transmission?
Common issues with the 9T50 transmission may include slipping, hesitation, or erratic shifting. Start by checking the transmission fluid level and condition. Use a scan tool to retrieve any trouble codes from the TCM (Transmission Control Module). Common solutions include replacing faulty solenoids, updating transmission software, or addressing electrical connector issues.
Q5 How can I optimize the performance of the 9T50 transmission?
How can I optimize the performance of the 9T50 transmission?
To optimize the performance of the 9T50 transmission, ensure regular fluid changes using the recommended GM Dexron HP ATF fluid. Avoid aggressive driving habits such as rapid acceleration or extreme temperature conditions. Additionally, maintain proper tire pressure and avoid towing loads that exceed the vehicle's capacity to reduce strain on the transmission.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2021-Present Buick Envision Service Manual
Coming SoonComprehensive service manual covering transmission specifications, maintenance, and repair procedures for the 2021-Present Buick Envision.
9T50 Transmission Technical Bulletin
Coming SoonOfficial technical bulletin providing updates, diagnostic procedures, and repair guidelines for the 9T50 transmission.
Buick Envision Parts Catalog
Coming SoonDetailed parts catalog for the 2021-Present Buick Envision, including transmission components and accessories.
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We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.
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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