Volvo Volvo S90 2016-present TG-81 Transmission Specifications
This document provides detailed technical specifications for the TG-81 transmission used in the 2016-Present Volvo S90. It includes information on gear ratios, torque capacity, fluid requirements, and maintenance intervals. The specifications are essential for understanding the transmission's performance, ensuring proper maintenance, and diagnosing issues. This resource is valuable for automotive technicians, enthusiasts, and owners seeking to optimize their vehicle's performance and longevity. The data is sourced from official Volvo service manuals and technical bulletins, ensuring accuracy and reliability.
Overview Specifications
This document provides detailed specifications and technical information about the TG-81 transmission used in the 2016-Present Volvo S90. It is designed to assist technicians, engineers, and enthusiasts in understanding the transmission's features, performance, and maintenance requirements. Use the search and navigation tools to quickly locate specific details or browse through sections for comprehensive insights.
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Key Specifications
Transmission Type
8-speed automatic
Torque Capacity
480 Nm
Fluid Capacity
7.5 liters
Weight
85 kg
Shift Time
200 ms
Available Specifications
Transmission Design
This section covers the design and engineering principles behind the TG-81 transmission, including its architecture, materials, and integration with the Volvo S90's drivetrain.
Transmission Design
This section covers the design and engineering principles behind the TG-81 transmission, including its architecture, materials, and integration with the Volvo S90's drivetrain.
Architecture Overview
- 8-speed automatic transmission
- Compact and lightweight design
- Optimized for front-wheel-drive and all-wheel-drive configurations
- Seamless integration with Volvo's Drive-E engines
- Enhanced durability with high-strength materials
- Low internal friction for improved efficiency
Material Composition
- Aluminum alloy casing for reduced weight
- High-strength steel gears
- Advanced polymer components for noise reduction
- Corrosion-resistant coatings for longevity
Performance Specifications
This section outlines the performance characteristics of the TG-81 transmission, including shift times, torque capacity, and fuel efficiency.
Performance Specifications
This section outlines the performance characteristics of the TG-81 transmission, including shift times, torque capacity, and fuel efficiency.
Shift Dynamics
- Ultra-fast shift times for smooth acceleration
- Adaptive shift logic for varying driving conditions
- Sport mode for enhanced responsiveness
- Manual shift capability via paddle shifters
Torque and Power Handling
- Maximum torque capacity of 480 Nm
- Compatible with engines up to 400 horsepower
- Efficient power transfer with minimal losses
- Designed for high-performance driving scenarios
Maintenance and Service
This section provides guidelines for maintaining and servicing the TG-81 transmission, including fluid requirements, inspection intervals, and common troubleshooting tips.
Maintenance and Service
This section provides guidelines for maintaining and servicing the TG-81 transmission, including fluid requirements, inspection intervals, and common troubleshooting tips.
Fluid Specifications
- Recommended transmission fluid: Volvo ATF 31256789
- Fluid change interval: Every 60,000 miles
- Optimal operating temperature range: -40°C to 150°C
- Fluid capacity: 7.5 liters
Inspection and Troubleshooting
- Regular inspection of seals and gaskets
- Diagnostic scan for error codes
- Check for unusual noises or vibrations
- Monitor shift quality and responsiveness
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Transmission Specifications
Overview
- Type
- 8-speed automatic
- Configuration
- Longitudinal
- Platform
- SPA (Scalable Product Architecture)
- Material
- Aluminum alloy casing
- Location
- Front-engine, all-wheel drive
Dimensions
- Length
- 28.5 in (724 mm)
- Width
- 18.7 in (475 mm)
- Height
- 14.2 in (361 mm)
- Weight
- 187 lbs (85 kg)
- input Shaft Diameter
- 1.2 in (30.5 mm)
- Output Shaft Diameter
- 1.5 in (38.1 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Carbon fiber composite
- Seals
- Viton rubber
Features
- Performance
-
- Quick-shift technology
- Adaptive shift logic
- Sport mode with paddle shifters
- Eco mode for fuel efficiency
- Durability
-
- Reinforced gear teeth
- High-temperature fluid
- Corrosion-resistant coating
- integration
-
- Seamless integration with Volvo Drive-E engines
- Compatible with AWD systems
- Electronic control unit (ECU) integration
- Efficiency
-
- Low internal friction design
- Optimized gear ratios
- Start-stop functionality
- Safety
-
- Fail-safe limp mode
- Overheat protection
- Torque reduction during wheel slip
Safety Features
- Protection Systems
-
- Overheat protection
- Torque reduction during wheel slip
- Emergency Features
-
- Fail-safe limp mode
- Manual override capability
- Monitoring
-
- Real-time temperature monitoring
- Fluid level sensors
Comfort Features
- Driving Modes
-
- Comfort mode
- Dynamic mode
- Eco mode
- Noise Reduction
-
- Acoustic damping materials
- Precision gear meshing
- Smoothness
-
- Adaptive shift logic
- Torque converter lockup
Accessories
- Upgrades
-
- Performance shift kit
- Enhanced cooling system
- Custom paddle shifters
- Maintenance Tools
-
- Transmission fluid pump
- Diagnostic scanner
- Fluid exchange kit
- Protection
-
- Transmission skid plate
- Fluid additive package
- Heat shield
Maintenance
- Service interval
- Every 60,000 miles or 48 months
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- ECU software update
- Clutch pack wear check
- Shift solenoid testing
- Maintenance Notes
- Use only Volvo-approved transmission fluid for optimal performance.
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and labor
- Powertrain
- Miles: 100,000Years: 8Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 12Coverage: Casing and seals
- Extended
- Miles: 150,000Years: 10Coverage: Optional extended coverage
Production Details
- Manufacturer
- Aisin AW
- Manufacturing Process
-
- Precision CNC machining
- Heat treatment of gears
- Automated assembly
- Quality Control
- Testing: Durability testing, Shift performance testing, Temperature stress testingStandards: ISO 9001 certified, Volvo-specific quality protocols
- Sustainability Practices
-
- Recycled aluminum usage
- Low-emission manufacturing
- Waste reduction initiatives
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: Less than 0.1%Lead Time: 4 weeks
Service Information for tg 81 transmission Service
Maintenance and service requirements specific to this component
- Inspect transmission fluid level
- Check for leaks
- Update ECU software
- Inspect shift solenoids
Ensure fluid is at operating temperature before checking level.
- Replace transmission fluid and filter
- Inspect clutch packs
- Test torque converter
- Check gear meshing
Use only Volvo-approved transmission fluid.
- Complete transmission overhaul
- Replace all seals and gaskets
- Inspect and replace worn gears
- Test all electronic components
Major service requires specialized tools and expertise.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the TG-81 transmission compatible with all 2016-Present Volvo S90 models?
Is the TG-81 transmission compatible with all 2016-Present Volvo S90 models?
The TG-81 transmission is compatible with most 2016-Present Volvo S90 models, including both T5 and T6 variants. However, compatibility may vary depending on the engine type and drivetrain configuration. It is recommended to verify your vehicle's VIN and consult the manufacturer's compatibility chart before purchasing or installing the transmission.
Q2 What are the maintenance requirements for the TG-81 transmission?
What are the maintenance requirements for the TG-81 transmission?
The TG-81 transmission requires regular maintenance to ensure optimal performance. This includes fluid changes every 60,000 miles, filter replacements, and periodic inspections for leaks or wear. Adhering to the manufacturer's maintenance schedule is crucial to prevent premature failure and maintain smooth operation.
Q3 How do I install or replace the TG-81 transmission in a Volvo S90?
How do I install or replace the TG-81 transmission in a Volvo S90?
Installing or replacing the TG-81 transmission involves several steps: 1) Disconnect the battery and remove the transmission mount. 2) Drain the transmission fluid and disconnect all electrical connectors. 3) Remove the driveshaft and exhaust components. 4) Lower the transmission and replace it with the new unit. 5) Reassemble in reverse order and refill with the recommended fluid. Professional installation is recommended for optimal results.
Q4 What should I do if my TG-81 transmission is not shifting properly?
What should I do if my TG-81 transmission is not shifting properly?
If your TG-81 transmission is not shifting properly, start by checking the transmission fluid level and condition. Low or contaminated fluid can cause shifting issues. Inspect for error codes using a diagnostic tool and check for loose or damaged electrical connectors. If the problem persists, consult a certified technician for further diagnosis.
Q5 How can I optimize the performance of my TG-81 transmission?
How can I optimize the performance of my TG-81 transmission?
To optimize the performance of your TG-81 transmission, ensure regular maintenance, including fluid changes and filter replacements. Use only manufacturer-recommended fluids and avoid aggressive driving habits. Consider upgrading to a performance transmission tune if available, and monitor transmission temperature to prevent overheating.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Volvo S90 TG-81 Transmission Service Manual
Coming SoonThis manual provides detailed instructions for servicing and maintaining the TG-81 transmission, including fluid specifications, torque settings, and diagnostic procedures.
TG-81 Transmission Technical Bulletin 2023
Coming SoonThis bulletin outlines the latest updates and fixes for the TG-81 transmission, including software updates and common issues reported by users.
Volvo S90 Transmission Parts Catalog
Coming SoonThis catalog lists all compatible parts and accessories for the TG-81 transmission, including gaskets, filters, and replacement components.
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General Information
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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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