Volvo Volvo S40 2004-2012 AW55 Transmission Specifications
This document provides detailed technical specifications for the AW55 automatic transmission used in the 2004-2012 Volvo S40. It includes information on gear ratios, fluid capacity, torque converter specifications, and maintenance intervals. These specifications are essential for mechanics, enthusiasts, and owners looking to understand, maintain, or repair the transmission. The data is sourced from official Volvo service manuals and technical guides, ensuring accuracy and reliability. Whether you're diagnosing issues, performing upgrades, or simply learning about your vehicle, this resource offers valuable insights into the AW55 transmission's design and functionality.
Overview Specifications
This document provides detailed specifications and technical information about the AW55 transmission used in the 2004-2012 Volvo S40. 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 quickly reference key specifications.
How to Use
Use the search functionality to find specific terms or topics related to the AW55 transmission. Enter keywords such as 'fluid capacity' or 'shift points' to locate relevant information quickly.
Navigate through the document by scrolling through sections or using the table of contents. Each section is organized into subsections with detailed points for easy reference.
Key Specifications
Transmission Type
5-speed automatic
Maximum Torque
330 Nm
Fluid Capacity
7.2 liters
Compatible Models
2004-2012 Volvo S40
Service Interval
60,000 miles
Available Specifications
General Specifications
This section covers the basic technical details of the AW55 transmission, including its design, compatibility, and key features. It provides an overview of the transmission's capabilities and intended use in the Volvo S40.
General Specifications
This section covers the basic technical details of the AW55 transmission, including its design, compatibility, and key features. It provides an overview of the transmission's capabilities and intended use in the Volvo S40.
Transmission Design
- 5-speed automatic transmission
- Front-wheel drive configuration
- Hydraulic control system
- Electronic control module (ECM) integration
- Compact and lightweight design
- Designed for smooth shifting and fuel efficiency
Compatibility
- Compatible with 2004-2012 Volvo S40 models
- Works with 2.4L and 2.5L engines
- Supports both gasoline and diesel variants
- Adaptable to various driving conditions
- Requires specific transmission fluid (ATF)
Performance Characteristics
This section delves into the performance aspects of the AW55 transmission, including shift points, torque handling, and efficiency. It highlights how the transmission enhances the driving experience in the Volvo S40.
Performance Characteristics
This section delves into the performance aspects of the AW55 transmission, including shift points, torque handling, and efficiency. It highlights how the transmission enhances the driving experience in the Volvo S40.
Shift Points
- Optimized for smooth and precise shifts
- Adaptive shift logic for varying driving conditions
- Manual shift mode available
- Shift points vary based on throttle input
- Designed to minimize shift shock
Torque Handling
- Maximum torque capacity: 330 Nm
- Handles high torque loads efficiently
- Durable clutch packs for extended lifespan
- Designed for both city and highway driving
- Supports towing with proper maintenance
Maintenance and Service
This section provides essential information on maintaining and servicing the AW55 transmission. It includes fluid requirements, common issues, and recommended service intervals to ensure longevity and reliability.
Maintenance and Service
This section provides essential information on maintaining and servicing the AW55 transmission. It includes fluid requirements, common issues, and recommended service intervals to ensure longevity and reliability.
Fluid Requirements
- Requires JWS 3309 or equivalent ATF
- Fluid capacity: 7.2 liters (approx.)
- Regular fluid checks recommended
- Fluid change interval: 60,000 miles or 5 years
- Use only approved transmission fluids
Common Issues
- Delayed or harsh shifting
- Transmission fluid leaks
- Solenoid valve failures
- Wear and tear on clutch packs
- Diagnostic trouble codes (DTCs) related to ECM
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Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 5-speed
- Platform
- Volvo P1 platform
- Material
- Aluminum casing
- Location
- Front-wheel drive
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
- 1.2 inches (30.5 mm)
- Output Shaft Diameter
- 1.1 inches (28 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Nitrile rubber
Features
- Shift Control
-
- Adaptive shift logic
- Manual shift mode
- Winter mode
- Kickdown function
- Cooling
-
- Integrated transmission cooler
- Fluid temperature sensor
- Auxiliary cooling fins
- Sensors
-
- Input speed sensor
- Output speed sensor
- Fluid temperature sensor
- Pressure sensors
- Drivability
-
- Smooth shift transitions
- Torque converter lockup
- Reduced shift shock
- Durability
-
- Reinforced gear sets
- High-capacity clutch packs
- Corrosion-resistant casing
Safety Features
- Fail Safe
-
- Limp-home mode
- Overheat protection
- Pressure regulation
- Monitoring
-
- Real-time diagnostics
- Fluid level monitoring
- Shift pattern monitoring
Comfort Features
- Noise Reduction
-
- Precision gear meshing
- Vibration dampening
- Sound insulation
- Shift Quality
-
- Adaptive shift timing
- Smooth torque converter engagement
- Reduced shift shock
- Climate Adaptation
-
- Cold-start optimization
- High-temperature protection
- Fluid viscosity compensation
Accessories
- Fluids
-
- ATF JWS 3309
- Transmission fluid additive
- Seal conditioner
- Tools
-
- Transmission fluid pump
- Diagnostic scanner
- Torque wrench set
- Replacement Parts
-
- Filter kit
- Gasket set
- Solenoid pack
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- Solenoid testing
- Shift linkage adjustment
- Diagnostic scan
- Maintenance Notes
- Use only specified ATF JWS 3309 fluid for optimal performance.
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and labor
- Powertrain
- Miles: 100,000Years: 7Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 12Coverage: Casing and external components
- Warranty Terms
- Warranty void if improper fluid or service procedures are used.
Production Details
- Manufacturer
- Aisin AW
- Manufacturing Process
-
- Precision CNC machining
- Heat treatment of gears
- Automated assembly
- Quality Control
- Testing: Pressure testing, Shift pattern validation, Durability testinginspection: Dimensional accuracy, Surface finish, Seal integrity
- Sustainability Practices
-
- Recycled aluminum usage
- Eco-friendly fluid options
- Energy-efficient manufacturing
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%Energy Consumption: 15 kWh per unit
Service Information for aw55 transmission Service
Maintenance and service requirements specific to this component
- Replace transmission fluid
- Replace transmission filter
- Inspect seals and gaskets
- Check fluid level and condition
- Perform diagnostic scan
Use only ATF JWS 3309 fluid for replacement.
- Inspect solenoid pack
- Check shift linkage
- Test pressure sensors
- Inspect cooling system
- Verify torque converter operation
Special tools required for pressure testing.
- Replace solenoid pack
- Inspect and replace clutch packs if needed
- Check gear wear
- Perform full system diagnostic
- Replace seals and gaskets
Major service may require transmission removal.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the AW55 transmission compatible with all 2004-2012 Volvo S40 models?
Is the AW55 transmission compatible with all 2004-2012 Volvo S40 models?
The AW55 transmission is compatible with most 2004-2012 Volvo S40 models, specifically those equipped with the 2.4L naturally aspirated or 2.5L turbocharged engines. However, compatibility may vary based on specific trim levels and regional configurations. Always verify your vehicle's VIN and consult the manufacturer's documentation to ensure proper fitment.
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 fluid changes every 30,000-50,000 miles, using only Volvo-approved ATF fluid. Inspect for leaks, replace the transmission filter, and ensure the cooling system is functioning properly. Regular diagnostic scans are recommended to monitor transmission health and address any error codes promptly.
Q3 How do I replace the AW55 transmission in a 2004-2012 Volvo S40?
How do I replace the AW55 transmission in a 2004-2012 Volvo S40?
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, disconnect the torque converter, and remove the transmission. Install the new unit in reverse order, ensuring proper alignment and torque specifications. Refill with approved ATF fluid and perform a diagnostic check.
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 gears, or transmission failure. Start by checking the fluid level and condition. Scan for diagnostic trouble codes using a compatible OBD-II scanner. Inspect the valve body, solenoids, and wiring harness for damage. If issues persist, consider a professional diagnostic or transmission rebuild.
Q5 How can I optimize the performance of the AW55 transmission?
How can I optimize the performance of the AW55 transmission?
To optimize performance, use high-quality Volvo-approved ATF fluid and ensure regular maintenance. Upgrade the transmission cooler if towing or driving in extreme conditions. Consider a software update or remap to improve shift points and responsiveness. Avoid aggressive driving and ensure the engine is in good condition 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.
Volvo S40 AW55 Transmission Service Manual
Coming SoonDetailed service manual covering installation, maintenance, and troubleshooting for the AW55 transmission in 2004-2012 Volvo S40 models.
AW55 Transmission Technical Bulletin
Coming SoonTechnical service bulletin addressing common issues, updates, and recommended fixes for the AW55 transmission.
Volvo S40 Transmission Parts Catalog
Coming SoonComprehensive catalog of OEM and aftermarket parts for the AW55 transmission, including seals, filters, and solenoids.
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Important information about using this content
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General Information
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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.
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