Volvo Volvo S90 1997-1998 TG-81 Transmission Specifications
This document provides a detailed overview of the TG-81 transmission specifications for the 1997-1998 Volvo S90. It includes technical details such as 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 document also highlights compatibility with other Volvo models and offers insights into common issues and repair procedures. By providing accurate and comprehensive information, this guide serves as a valuable resource for anyone working with or owning a 1997-1998 Volvo S90.
Overview Specifications
This document provides detailed specifications and technical information about the TG-81 transmission used in the 1997-1998 Volvo S90. It is designed to assist mechanics, 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 function to locate specific terms or phrases within the document. Enter keywords related to the TG-81 transmission, such as 'gear ratios' or 'torque capacity,' to find relevant information instantly.
Navigate through the document using the table of contents or by scrolling through sections. Each major section is divided into subsections, making it easy to find detailed information about specific aspects of the TG-81 transmission.
Key Specifications
Transmission Type
4-speed automatic
Torque Capacity
300 Nm
Fluid Capacity
7.5 liters
Gear Ratios
2.84:1 to 0.73:1
Service Interval
60,000 miles
Available Specifications
Transmission Design
This section covers the design and construction of the TG-81 transmission, including its layout, materials, and key components. Learn about the engineering principles behind its durability and performance.
Transmission Design
This section covers the design and construction of the TG-81 transmission, including its layout, materials, and key components. Learn about the engineering principles behind its durability and performance.
Gear Configuration
- 4-speed automatic transmission
- Overdrive gear for improved fuel efficiency
- Planetary gearset design
- Hydraulic control system
- Lock-up torque converter
- Electronic shift control
Materials and Build
- High-strength alloy casing
- Hardened steel gears
- Sealed bearings for reduced friction
- Corrosion-resistant coatings
- Precision-machined components
- Integrated cooling system
Performance Specifications
Explore the performance metrics of the TG-81 transmission, including gear ratios, torque capacity, and shift response. This section provides insights into how the transmission enhances the driving experience.
Performance Specifications
Explore the performance metrics of the TG-81 transmission, including gear ratios, torque capacity, and shift response. This section provides insights into how the transmission enhances the driving experience.
Gear Ratios
- 1st gear: 2.84:1
- 2nd gear: 1.60:1
- 3rd gear: 1.00:1
- 4th gear: 0.73:1
- Reverse gear: 2.56:1
- Final drive ratio: 3.91:1
Torque and Power Handling
- Maximum torque capacity: 300 Nm
- Designed for engines up to 200 hp
- Smooth shift transitions under load
- Optimized for both city and highway driving
- Enhanced durability under high-stress conditions
- Compatible with Volvo's turbocharged engines
Maintenance and Service
This section provides guidelines for maintaining and servicing the TG-81 transmission. Learn about recommended service intervals, fluid specifications, and common troubleshooting tips.
Maintenance and Service
This section provides guidelines for maintaining and servicing the TG-81 transmission. Learn about recommended service intervals, fluid specifications, and common troubleshooting tips.
Service Intervals
- Transmission fluid change every 60,000 miles
- Filter replacement with fluid change
- Inspect seals and gaskets annually
- Check for leaks during routine maintenance
- Monitor shift performance regularly
- Replace worn components promptly
Fluid Specifications
- Use Dexron III or equivalent ATF
- Fluid capacity: 7.5 liters
- Ensure proper fluid level during service
- Avoid mixing different fluid types
- Check for contamination during fluid changes
- Follow Volvo's recommended fluid guidelines
Search Specifications
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Type to search through torque specifications. Results will appear below as you type.
Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 4-Speed with Overdrive
- Platform
- Volvo S90 (1997-1998)
- Material
- Aluminum Alloy Housing
- Location
- Front-Engine, Longitudinal Mount
Dimensions
- Length
- 28.5 inches (724 mm)
- Width
- 22.8 inches (579 mm)
- Height
- 18.3 inches (465 mm)
- Weight
- 165 lbs (75 kg)
- input Shaft Diameter
- 1.25 inches (32 mm)
- Output Shaft Diameter
- 1.5 inches (38 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Housing
- Aluminum Alloy
- Gears
- Hardened Steel
- Clutch Packs
- Composite Friction Material
- Seals
- Viton Rubber
- Fluid
- ATF Dexron III
Features
- Shifting
-
- Electronic Shift Control
- Adaptive Shift Logic
- Manual Override Mode
- Cooling
-
- Integrated Transmission Cooler
- Fluid Temperature Sensor
- High-Efficiency Cooling Fins
- Durability
-
- Reinforced Gear Trains
- Hardened Shafts
- Corrosion-Resistant Housing
- Performance
-
- Smooth Shift Transitions
- Optimized Gear Ratios
- Low Friction Bearings
- Safety
-
- Fail-Safe Mode
- Overheat Protection
- Torque Limiter
Safety Features
- Electronic Controls
-
- Shift Lock System
- Neutral Safety Switch
- Mechanical Protection
-
- Overload Protection
- Torque Converter Lockup
- Emergency Features
-
- Fail-Safe Mode
- Manual Shift Override
Comfort Features
- Noise Reduction
-
- Dampened Gear Trains
- Isolated Mounting Points
- Smoothness
-
- Adaptive Shift Logic
- Low Vibration Design
- Convenience
-
- Automatic Park Lock
- Keyless Shift Release
- Climate Control
-
- Integrated Cooling System
- Temperature Monitoring
Accessories
- installation
-
- Transmission Mount Kit
- Shift Linkage Kit
- Cooler Line Kit
- Maintenance
-
- Fluid Exchange Kit
- Filter Replacement Kit
- Seal Kit
- Performance
-
- Upgraded Torque Converter
- High-Performance Fluid
- Shift Improvement Module
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and Filter Replacement
- Seal Inspection
- Shift Linkage Adjustment
- Cooler Line Inspection
- Mounting Bolt Torque Check
- Maintenance Notes
- Use only specified ATF Dexron III fluid. Avoid overheating to prolong lifespan.
Warranty
- Basic
- Miles: 50,000Years: 3Coverage: Parts and Labor
- Powertrain
- Miles: 100,000Years: 5Coverage: Major Components
- Corrosion
- Miles: UnlimitedYears: 7Coverage: Housing and Seals
- Extended
- Miles: 150,000Years: 10Coverage: Limited Components
- Warranty Terms
- Warranty void if improper fluid or maintenance is used.
Production Details
- Manufacturer
- Volvo Transmission Systems
- Manufacturing Process
-
- Precision CNC Machining
- Heat Treatment of Gears
- Automated Assembly
- Quality Control
- Testing: Durability Testing, Shift Performance Testing, Leak TestingStandards: ISO 9001 Certified, Volvo Internal Standards
- Sustainability Practices
-
- Recycled Aluminum Usage
- Low-Emission Manufacturing
- Waste Reduction Programs
- Production Metrics
- Units Per Year: 15,000Defect Rate: 0.5%Lead Time: 6 weeks
Service Information for tg 81 transmission Service
Maintenance and service requirements specific to this component
- Fluid and Filter Replacement
- Seal Inspection
- Shift Linkage Adjustment
- Cooler Line Inspection
- Mounting Bolt Torque Check
Use only specified ATF Dexron III fluid.
- Fluid Flush and Replacement
- Transmission Mount Inspection
- Torque Converter Check
- Electronic Control Module Diagnostics
Inspect for leaks and wear on seals.
- Complete Overhaul
- Clutch Pack Replacement
- Bearing Inspection
- Shift Solenoid Testing
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 other Volvo models?
Is the TG-81 transmission compatible with other Volvo models?
The TG-81 transmission is specifically designed for the 1997-1998 Volvo S90. While it may share some similarities with transmissions in other Volvo models, compatibility is not guaranteed. Always verify part numbers and consult a Volvo service manual or dealership for confirmation before attempting installation in other vehicles.
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 checking and replacing the transmission fluid every 30,000 to 60,000 miles, inspecting for leaks, and ensuring the transmission mounts are secure. Additionally, periodic inspections of the shift linkage and solenoid operation are recommended to prevent wear and tear.
Q3 How do I replace the TG-81 transmission in a 1997-1998 Volvo S90?
How do I replace the TG-81 transmission in a 1997-1998 Volvo S90?
Replacing the TG-81 transmission involves several steps: 1) Disconnect the battery and drain the transmission fluid. 2) Remove the driveshaft, exhaust components, and crossmember. 3) Detach the shift linkage, wiring harness, and cooler lines. 4) Support the transmission with a jack and remove the mounting bolts. 5) Carefully lower and remove the transmission. Installation is the reverse of removal, ensuring all connections are secure and fluid levels are correct.
Q4 What should I do if my TG-81 transmission is slipping or not shifting properly?
What should I do if my TG-81 transmission is slipping or not shifting properly?
If your TG-81 transmission is slipping or not shifting properly, start by checking the transmission fluid level and condition. Low or contaminated fluid can cause these issues. Inspect for leaks, damaged wiring, or faulty solenoids. If the problem persists, perform a diagnostic scan to identify error codes. Common solutions include fluid replacement, solenoid repair, or, in severe cases, transmission rebuild or replacement.
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, use high-quality transmission fluid recommended by Volvo. Regularly check and maintain proper fluid levels. Avoid aggressive driving and ensure the transmission is not overloaded. Periodic inspections of the transmission mounts, shift linkage, and solenoid operation can also help maintain smooth operation and extend the lifespan of 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.
Volvo S90 Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 1997-1998 Volvo S90, including the TG-81 transmission.
TG-81 Transmission Technical Bulletin
Coming SoonTechnical service bulletin detailing updates, common issues, and solutions for the TG-81 transmission in Volvo S90 models.
Volvo S90 Parts Catalog
Coming SoonDetailed catalog of OEM and aftermarket parts for the 1997-1998 Volvo S90, 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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