Volvo Volvo V90 1996-1998 AW55 Transmission Specifications
This document provides a detailed overview of the AW55 transmission specifications for the 1996-1998 Volvo V90. The AW55 is a 5-speed automatic transmission designed for smooth performance and durability. Specifications include gear ratios, torque capacity, fluid type, and maintenance intervals. These details are essential for owners, mechanics, and enthusiasts to understand the transmission's capabilities, ensure proper maintenance, and troubleshoot issues. The document also highlights compatibility with other Volvo models and offers insights into performance upgrades. Whether you're performing routine service or planning modifications, this guide is a valuable resource for optimizing the AW55 transmission's longevity and performance.
Overview Specifications
This document provides detailed specifications and technical information about the AW55 transmission used in the 1996-1998 Volvo V90. It is designed to assist mechanics, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance characteristics. Use this guide to locate specific details about the AW55 transmission, including its design, operation, and key specifications. The document is organized into sections for easy navigation, with a quick reference table for essential data.
How to Use
Use the search function to quickly locate specific terms or topics within the document. Enter keywords related to the AW55 transmission, such as 'fluid capacity' or 'gear ratios,' to find relevant information instantly.
Navigate through the document by scrolling through the sections or using the table of contents. Each section is labeled with a title and description, making it easy to find the information you need. Subsections provide detailed technical points for further clarity.
Key Specifications
Transmission Type
5-speed automatic
Gear Ratios
3.54:1 to 0.73:1
Fluid Capacity
7.4 liters
Weight
85 kg (187 lbs)
Service Interval
60,000 miles
Available Specifications
Design and Construction
This section covers the design features and construction details of the AW55 transmission. It includes information about the materials used, internal components, and overall layout. Understanding the design helps in diagnosing issues and performing maintenance.
Design and Construction
This section covers the design features and construction details of the AW55 transmission. It includes information about the materials used, internal components, and overall layout. Understanding the design helps in diagnosing issues and performing maintenance.
Transmission Layout
- Front-wheel drive configuration
- Compact and lightweight design
- Aluminum alloy casing for reduced weight
- Five-speed automatic gearbox
- Integrated torque converter
- Hydraulic control system
Internal Components
- Planetary gear sets for smooth shifting
- Steel clutch plates for durability
- High-quality seals and gaskets
- Integrated valve body for hydraulic control
- Oil pump for lubrication and cooling
- Electronic control unit (ECU) for shift management
Performance and Operation
This section focuses on the performance characteristics and operational features of the AW55 transmission. It includes details about gear ratios, shift patterns, and efficiency. Learn how the transmission operates under different driving conditions.
Performance and Operation
This section focuses on the performance characteristics and operational features of the AW55 transmission. It includes details about gear ratios, shift patterns, and efficiency. Learn how the transmission operates under different driving conditions.
Gear Ratios
- First gear: 3.54:1
- Second gear: 2.14:1
- Third gear: 1.45:1
- Fourth gear: 1.00:1
- Fifth gear: 0.73:1
- Reverse gear: 3.33:1
Shift Patterns
- Smooth and precise gear changes
- Adaptive shift logic for varying conditions
- Manual mode for driver control
- Kickdown feature for quick acceleration
- Winter mode for improved traction
- Fail-safe mode for limp-home operation
Maintenance and Service
This section provides guidelines for maintaining and servicing the AW55 transmission. It includes recommendations for fluid changes, inspection intervals, and common troubleshooting tips. Proper maintenance ensures longevity and reliability.
Maintenance and Service
This section provides guidelines for maintaining and servicing the AW55 transmission. It includes recommendations for fluid changes, inspection intervals, and common troubleshooting tips. Proper maintenance ensures longevity and reliability.
Fluid Requirements
- Recommended fluid: JWS 3309 or equivalent
- Fluid capacity: 7.4 liters (7.8 quarts)
- Fluid change interval: Every 60,000 miles
- Use of a fluid flush machine for thorough cleaning
- Check fluid level when engine is warm
- Avoid overfilling to prevent leaks
Common Issues
- Delayed shifting or harsh engagement
- Transmission fluid leaks
- Slipping gears or loss of power
- Error codes related to the ECU
- Worn clutch plates or seals
- Noisy operation during gear changes
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- Front-wheel drive
- Platform
- Volvo V90
- Material
- Aluminum casing
- Location
- Undercarriage, engine rear
Dimensions
- Length
- 28.7 inches (729 mm)
- Width
- 22.5 inches (572 mm)
- Height
- 16.3 inches (414 mm)
- Weight
- 150 lbs (68 kg)
- input Shaft Length
- 6.7 inches (170 mm)
- Output Shaft Length
- 8.3 inches (211 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Plates
- Composite friction material
- Seals
- Viton rubber
Features
- Shifting
-
- Adaptive shift control
- Manual mode capability
- Smooth transition between gears
- Torque converter lockup
- Cooling
-
- Integrated transmission cooler
- Fluid temperature sensor
- External cooling line ports
- Electronics
-
- ECU-controlled shifting
- Diagnostic port for OBD-II
- Fail-safe mode activation
- Performance
-
- 5-speed automatic
- Wide gear ratio range
- Low internal friction
Safety Features
- Fail-Safe
-
- Limp-home mode
- Overheat protection
- Mechanical
-
- Shear pin protection
- Durable clutch materials
Comfort Features
- Driving
-
- Smooth gear changes
- Quiet operation
- Reduced vibration
- Controls
-
- Easy shift lever operation
- Clear gear indicator
Accessories
- installation
-
- Transmission mount kit
- Shift linkage kit
- Fluid pan gasket
- Maintenance
-
- Transmission fluid filter
- Drain plug washer
- Cooling line seals
Maintenance
- interval
- Every 30,000 miles or 24 months
- Tasks
-
- Fluid and filter change
- Inspect for leaks
- Check fluid level and condition
- Inspect mounts and linkages
- Notes
- Use only specified transmission fluid for optimal performance.
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and labor
- Powertrain
- Miles: 100,000Years: 7Coverage: Major components
Production Details
- Manufacturer
- Aisin Warner
- Process
-
- Precision machining
- Automated assembly
- Quality Control
- Testing: Dynamic load testinginspection: 100% component inspection
- Sustainability
-
- Recyclable materials
- Energy-efficient manufacturing
Service Information for aw55 transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid
- Replace fluid filter
- Inspect for leaks
- Check fluid condition
Use only Volvo-approved transmission fluid.
- Flush transmission fluid
- Inspect mounts and linkages
- Check shift performance
- Inspect cooling lines
Ensure cooling lines are free of blockages.
- Full transmission inspection
- Replace seals and gaskets
- Check torque converter
- Test electronic controls
May require specialized diagnostic equipment.
Common Questions
Find answers to common questions about torque specifications
Q1 What vehicles is the AW55 transmission compatible with?
What vehicles is the AW55 transmission compatible with?
The AW55 transmission, used in the 1996-1998 Volvo V90, is specifically designed for Volvo models within this range. It is compatible with engines that match the torque and power output specifications of the V90. Always verify compatibility with your vehicle’s VIN and consult a Volvo dealer or technical manual for confirmation.
Q2 What are the maintenance requirements for the AW55 transmission?
What are the maintenance requirements for the AW55 transmission?
The AW55 transmission requires regular maintenance to ensure longevity. This includes checking and replacing transmission fluid every 30,000 to 50,000 miles, inspecting for leaks, and monitoring performance for signs of wear or shifting issues. Using the correct Volvo-approved fluid is crucial for optimal performance.
Q3 How do I replace the AW55 transmission in a Volvo V90?
How do I replace the AW55 transmission in a Volvo V90?
Replacing the AW55 transmission involves lifting the vehicle, disconnecting the driveshaft, removing the transmission mount, and detaching the transmission from the engine. Detailed steps include draining the fluid, disconnecting electrical connectors, and carefully lowering the transmission. Refer to the Volvo service manual for precise instructions.
Q4 What are common troubleshooting steps for AW55 transmission issues?
What are common troubleshooting steps for AW55 transmission issues?
Common issues include rough shifting, slipping, or transmission failure. Begin by checking fluid levels and quality. Inspect for leaks, test the transmission control module, and scan for error codes. If problems persist, consult a professional technician for further diagnosis and repair.
Q5 How can I optimize the performance of the AW55 transmission?
How can I optimize the performance of the AW55 transmission?
To optimize performance, ensure proper fluid levels and use Volvo-approved transmission fluid. Regularly inspect and replace worn components, avoid aggressive driving, and keep the transmission cool. Periodic software updates from Volvo can also enhance shifting performance and efficiency.
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 V90 AW55 Transmission Service Manual
Coming SoonComprehensive guide covering installation, maintenance, and troubleshooting for the AW55 transmission.
AW55 Transmission Technical Bulletin
Coming SoonLatest updates and technical information for the AW55 transmission, including known issues and solutions.
Volvo V90 Transmission Parts Catalog
Coming SoonDetailed catalog of transmission parts and accessories for the 1996-1998 Volvo V90.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.
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.
Intellectual Property
About the Author
Expert automotive knowledge and experience
'/%3E%3Cpath d='M60 30a20 20 0 1 1 0 40 20 20 0 0 1 0-40zm0 45c16.5 0 30 7.5 30 16.8V100H30v-8.2c0-9.3 13.5-16.8 30-16.8z' fill='%23404040'/%3E%3C/svg%3E)
Diagnostic
Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.
Repair
Expert in both traditional mechanical repairs and modern vehicle systems.
Additional Expertise
Documentation
Created over 500 detailed repair guides and technical documents.
Training
Conducted technical training sessions and contributed to repair databases.
Certifications & Research
Certifications
- ASE Master Technician Certification
- Advanced Diagnostic Specialist
- Hybrid/Electric Vehicle Systems
- Performance Tuning Expert
Research & Community
Actively researches emerging technologies and contributes to automotive forums.