Volvo Volvo S80 1998-2006 AW55 Transmission Specifications
This document provides detailed technical specifications for the AW55-50 automatic transmission used in the 1998-2006 Volvo S80. It includes information on gear ratios, fluid capacity, torque converter specifications, and maintenance intervals. The purpose of this document is to assist technicians, enthusiasts, and owners in understanding the transmission's design, performance, and maintenance requirements. It also serves as a valuable resource for diagnosing issues, performing repairs, and ensuring optimal performance. Whether you're looking to service your transmission, upgrade its components, or simply learn more about its operation, this guide offers comprehensive insights tailored to the Volvo S80 of this generation.
Overview Specifications
This document provides detailed specifications and technical information about the AW55 transmission used in the 1998-2006 Volvo S80. It is designed to assist mechanics, 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
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Scroll through the sections to explore major topics. Click on subsection titles to expand and view detailed technical points. Use the quick reference table for key specifications at a glance.
Key Specifications
Transmission Type
5-speed automatic
Fluid Capacity
7.2 liters
Max Torque
330 Nm
Gear Ratios
3.54:1 to 0.69:1
Fluid Type
JWS 3309
Available Specifications
General Specifications
This section covers the basic technical details of the AW55 transmission, including its design, compatibility, and key features. It provides a foundation for understanding the transmission's capabilities and limitations.
General Specifications
This section covers the basic technical details of the AW55 transmission, including its design, compatibility, and key features. It provides a foundation for understanding the transmission's capabilities and limitations.
Transmission Type and Design
- 5-speed automatic transmission
- Front-wheel drive configuration
- Hydraulic control system with electronic management
- Compact and lightweight design for improved fuel efficiency
- Designed for smooth shifting and durability
- Compatible with Volvo's 5-cylinder engines
Fluid Requirements
- Uses JWS 3309 or equivalent ATF fluid
- Fluid capacity: 7.2 liters (7.6 quarts)
- Fluid change interval: 50,000-60,000 miles
- Fluid temperature range: -40°C to 150°C (-40°F to 302°F)
Performance and Operation
This section delves into the performance characteristics of the AW55 transmission, including shift points, torque handling, and driving dynamics. It also covers common operational behaviors and troubleshooting tips.
Performance and Operation
This section delves into the performance characteristics of the AW55 transmission, including shift points, torque handling, and driving dynamics. It also covers common operational behaviors and troubleshooting tips.
Shift Points and Gear Ratios
- 1st gear ratio: 3.54:1
- 2nd gear ratio: 2.14:1
- 3rd gear ratio: 1.45:1
- 4th gear ratio: 1.00:1
- 5th gear ratio: 0.69:1
- Reverse gear ratio: 3.00:1
Torque Handling and Durability
- Maximum torque capacity: 330 Nm (243 lb-ft)
- Designed for smooth torque delivery under load
- Robust construction for long-term reliability
- Common issues include solenoid wear and valve body malfunctions
Maintenance and Troubleshooting
This section provides guidance on maintaining the AW55 transmission and addressing common issues. It includes tips for fluid changes, diagnostic procedures, and repair recommendations.
Maintenance and Troubleshooting
This section provides guidance on maintaining the AW55 transmission and addressing common issues. It includes tips for fluid changes, diagnostic procedures, and repair recommendations.
Routine Maintenance
- Regular fluid checks and changes
- Inspect for leaks around seals and gaskets
- Monitor transmission temperature during operation
- Replace filter during fluid changes
Common Issues and Solutions
- Delayed or harsh shifting: Check fluid level and condition
- Transmission slipping: Inspect solenoids and valve body
- Error codes: Use diagnostic tools to identify faults
- Noisy operation: Check for worn bearings or gears
Search Specifications
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Transmission Specifications
Overview
- Type
- 5-speed automatic
- Configuration
- Front-wheel drive
- Platform
- Volvo P2 platform
- Material
- Aluminum alloy casing
- Location
- Mounted longitudinally in engine bay
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
- 1.18 inches (30 mm)
- Output Shaft Diameter
- 1.38 inches (35 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Cooling Lines
- Steel with rubber hoses
Features
- Shift Control
-
- Adaptive shift logic
- Manual shift mode
- Winter mode
- Kickdown function
- Cooling
-
- Integrated transmission cooler
- External cooler connections
- Temperature monitoring
- Electronic Control
-
- CAN-bus communication
- Adaptive learning
- Fault code diagnostics
- Shift solenoid control
- Drivability
-
- Smooth shift patterns
- Torque converter lockup
- Grade logic control
- Neutral idle control
- Durability
-
- Hardened gear sets
- High-capacity clutch packs
- Reinforced input shaft
- Sealed bearings
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Pressure monitoring
- Mechanical Protection
-
- Shear pin protection
- Over-torque protection
- Fluid level sensor
Comfort Features
- Noise Reduction
-
- Helical cut gears
- Isolated mounting
- Vibration dampening
- Shift Quality
-
- Adaptive shift smoothing
- Torque converter slip control
- Neutral idle vibration reduction
Accessories
- Cooling System
-
- Transmission cooler lines
- External cooler kit
- Temperature gauge
- Electronic Components
-
- Transmission control module
- Shift solenoids
- Speed sensors
- Maintenance Items
-
- Filter kit
- Gasket set
- Seal kit
- Fluid
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter change
- Pan gasket replacement
- Solenoid inspection
- Bushing wear check
- Seal inspection
- Shift quality test
- Maintenance Notes
- Use only JWS 3309 or equivalent transmission fluid
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and labor
- Powertrain
- Miles: 100,000Years: 7Coverage: Major components
- Corrosion
- Miles: UnlimitedYears: 12Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Emission-related components
Production Details
- Manufacturer
- Aisin AW
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Laser alignment
- Pressure testing
- Quality Control
- Dimensional Checks: 100% inspectionPressure Testing: 200 psi for 30 minutesPerformance Testing: Dyno testing for 2 hours
- Sustainability Practices
-
- Recycled aluminum usage
- Closed-loop fluid systems
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 1200Defect Rate: 0.02%Energy Usage: 15 kWh per unit
Service Information for aw55 transmission Service
Maintenance and service requirements specific to this component
- Fluid and filter replacement
- Pan gasket inspection
- Solenoid function test
- Shift quality assessment
- Seal and bushing inspection
Use only approved transmission fluid
- Complete fluid flush
- Valve body inspection
- Torque converter check
- Cooling system inspection
- Electrical connections check
Requires specialized diagnostic equipment
- Complete transmission overhaul
- Clutch pack replacement
- Bearing inspection
- Shift solenoid replacement
- Full system diagnostics
Recommended to replace all wear components
Common Questions
Find answers to common questions about torque specifications
Q1 Is the AW55 transmission compatible with other Volvo models?
Is the AW55 transmission compatible with other Volvo models?
The AW55 transmission, used in the 1998-2006 Volvo S80, is also compatible with select Volvo models like the V70, XC70, and S60 from similar years. However, compatibility depends on engine type and drivetrain configuration. Always verify with your vehicle's VIN and consult a Volvo technician or official documentation to ensure proper fitment and functionality.
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, including fluid changes every 30,000 to 60,000 miles, depending on driving conditions. Use only Volvo-approved ATF (Automatic Transmission Fluid) to ensure optimal performance. Inspect for leaks, replace the transmission filter, and monitor for unusual noises or shifting issues. Regular maintenance prevents premature wear and extends the transmission's lifespan.
Q3 How do I replace the AW55 transmission in a Volvo S80?
How do I replace the AW55 transmission in a Volvo S80?
Replacing the AW55 transmission involves several steps: disconnect the battery, remove the driveshaft, drain the transmission fluid, and detach the transmission mounts and linkages. Lower the transmission using a jack and disconnect it from the engine. Install the new transmission by reversing the process, ensuring proper alignment and torque specifications. Refill with approved ATF and test for proper operation.
Q4 What should I do if my AW55 transmission is slipping or not shifting properly?
What should I do if my AW55 transmission is slipping or not shifting properly?
If your AW55 transmission is slipping or not shifting, start by checking the fluid level and condition. Low or contaminated fluid can cause issues. Inspect for leaks, replace the filter, and perform a fluid flush if necessary. If problems persist, scan for error codes using a diagnostic tool. Common issues include solenoid failures or valve body wear, which may require professional repair or replacement.
Q5 How can I optimize the performance of my AW55 transmission?
How can I optimize the performance of my AW55 transmission?
To optimize AW55 transmission performance, use Volvo-approved ATF and ensure regular fluid changes. Avoid aggressive driving and excessive towing to reduce strain. Install an auxiliary transmission cooler if towing or driving in hot climates. Regularly inspect and maintain the transmission system, including seals and mounts, to prevent leaks and ensure smooth operation.
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 S80 AW55 Transmission Service Manual
Coming SoonDetailed service manual covering installation, maintenance, and troubleshooting for the AW55 transmission in the 1998-2006 Volvo S80.
Volvo Technical Service Bulletin for AW55 Transmission
Coming SoonTechnical bulletin addressing common issues, updates, and fixes for the AW55 transmission in Volvo vehicles.
Volvo AW55 Transmission Parts Catalog
Coming SoonComprehensive catalog of replacement parts and accessories for the AW55 transmission, including seals, filters, and solenoids.
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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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