Lexus IS 2000-2005 A650 Transmission Specifications
This document provides a detailed overview of the A650 transmission specifications for the 2000-2005 Lexus IS. It includes technical details such as gear ratios, torque capacity, fluid requirements, and maintenance intervals. These specifications are essential for understanding the transmission's performance, ensuring proper maintenance, and diagnosing potential issues. Whether you're a technician, enthusiast, or owner, this information is invaluable for optimizing the transmission's lifespan and performance. The document also highlights compatibility with other Lexus models and aftermarket upgrades, making it a comprehensive resource for repair, maintenance, and performance enhancement.
Overview Specifications
This document provides detailed specifications and technical information about the A650 transmission used in the 2000-2005 Lexus IS models. It is designed to assist technicians, 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 a comprehensive understanding of the A650 transmission.
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Scroll through the document or use the table of contents to jump to specific sections. Each section is organized into subsections with detailed technical points for easy reference.
Key Specifications
Transmission Type
5-speed automatic
Torque Capacity
221 lb-ft
Fluid Capacity
7.5 quarts
Weight
150 lbs
Shift Response Time
0.3 seconds
Available Specifications
Transmission Design
This section covers the design and construction of the A650 transmission, including its layout, materials, and key components. Learn about the engineering behind its durability and performance.
Transmission Design
This section covers the design and construction of the A650 transmission, including its layout, materials, and key components. Learn about the engineering behind its durability and performance.
Gear Configuration
- 5-speed automatic transmission
- Electronic control with manual shift mode
- Planetary gearset design
- Wide gear ratio spread for optimal performance
- Compact and lightweight construction
- Sealed unit for reduced maintenance
Materials and Build
- High-strength aluminum alloy casing
- Precision-machined gears for smooth operation
- Durable clutch plates for extended lifespan
- Advanced sealing technology to prevent leaks
- Heat-treated components for reliability
- Corrosion-resistant coatings
Performance Specifications
Explore the performance metrics of the A650 transmission, including gear ratios, shift times, and torque capacity. This section provides insights into how the transmission enhances the driving experience.
Performance Specifications
Explore the performance metrics of the A650 transmission, including gear ratios, shift times, and torque capacity. This section provides insights into how the transmission enhances the driving experience.
Gear Ratios
- 1st gear: 3.538
- 2nd gear: 2.060
- 3rd gear: 1.404
- 4th gear: 1.000
- 5th gear: 0.713
- Reverse gear: 3.168
Shift Characteristics
- Smooth and precise shifts
- Adaptive shift logic for varying driving conditions
- Quick response in manual mode
- Low shift shock for passenger comfort
- Optimized for fuel efficiency
- Enhanced durability under high torque
Maintenance and Service
This section provides guidelines for maintaining and servicing the A650 transmission. Learn about fluid requirements, inspection intervals, and common troubleshooting tips.
Maintenance and Service
This section provides guidelines for maintaining and servicing the A650 transmission. Learn about fluid requirements, inspection intervals, and common troubleshooting tips.
Fluid Specifications
- Recommended fluid: Toyota Type T-IV ATF
- Fluid capacity: 7.5 quarts (with torque converter)
- Fluid change interval: Every 60,000 miles
- Use of synthetic fluid for extended life
- Proper fluid level check procedure
- Avoid mixing different ATF types
Common Issues and Solutions
- Delayed shifting: Check fluid level and condition
- Transmission slipping: Inspect clutch plates
- Unusual noises: Examine gear alignment
- Fluid leaks: Replace seals and gaskets
- Error codes: Use diagnostic tools for troubleshooting
- Regular inspections to prevent major failures
Search Specifications
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Transmission Specifications
Overview
- Type
- 5-speed automatic
- Configuration
- Longitudinal
- Platform
- A650E
- Material
- Aluminum alloy casing
- Location
- Rear-wheel drive configuration
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
- 1.4 inches (35.6 mm)
- Fluid Capacity
- 7.4 quarts (7 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
- Sensors
- Stainless steel and plastic
Features
- Shift Control
-
- Electronically controlled shifting
- Adaptive shift logic
- Manual shift mode
- Sport mode
- Cooling
-
- Integrated transmission cooler
- Fluid temperature sensor
- High-capacity fluid pump
- Durability
-
- Reinforced gear sets
- High-strength clutch packs
- Corrosion-resistant casing
- Performance
-
- Smooth shift transitions
- Optimized gear ratios
- Low friction design
- Safety
-
- Fail-safe mode
- Overheat protection
- Torque converter lockup control
Safety Features
- Fail Safe
-
- Automatic limp mode
- Diagnostic trouble codes (DTCs)
- Overheat Protection
-
- Fluid temperature monitoring
- Reduced power mode
- Torque Management
-
- Engine torque reduction during shifts
- Smooth torque converter engagement
Comfort Features
- Shift Quality
-
- Smooth and precise shifts
- Adaptive shift logic for driving conditions
- Noise Reduction
-
- Optimized gear meshing
- Vibration dampening materials
- Driving Modes
-
- Normal mode
- Sport mode
- Manual mode
Accessories
- Cooling
-
- Transmission cooler lines
- Auxiliary transmission cooler
- Temperature gauge
- Performance
-
- Shift kit
- High-capacity torque converter
- Performance fluid
- Maintenance
-
- Fluid exchange kit
- Filter replacement kit
- Seal kit
Maintenance
- Service interval
- Every 60,000 miles or 48 months
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- Clutch pack wear check
- Sensor calibration
- Shift solenoid testing
- Maintenance Notes
- Use only recommended transmission fluid for optimal performance and longevity.
Warranty
- Basic
- Miles: 50,000Years: 4Coverage: Parts and labor
- Powertrain
- Miles: 100,000Years: 6Coverage: Transmission components
- Corrosion
- Miles: UnlimitedYears: 6Coverage: Casing and external components
- Extended
- Miles: 120,000Years: 8Coverage: Optional extended coverage
Production Details
- Manufacturer
- Aisin Seiki Co., Ltd.
- Manufacturing Process
-
- Precision CNC machining
- Heat treatment of gears
- Automated assembly
- Quality Control
- inspection: 100% component testingTesting: Durability and performance validationCertification: ISO 9001 compliant
- Sustainability
-
- Recyclable materials
- Energy-efficient production
- Waste reduction initiatives
- Production Metrics
- Annual Output: 500,000 unitsDefect Rate: Less than 0.1%Lead Time: 4 weeks
Service Information for a650 transmission Service
Maintenance and service requirements specific to this component
- Inspect fluid level and condition
- Check for leaks
- Test shift solenoids
- Inspect transmission mounts
Early detection of issues can prevent major repairs.
- Replace transmission fluid and filter
- Inspect clutch packs
- Check torque converter operation
- Calibrate sensors
Use only manufacturer-recommended fluid for replacement.
- Complete transmission overhaul
- Replace worn components
- Test all electronic controls
- Perform performance validation
Major service requires specialized tools and expertise.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the A650 transmission compatible with other Lexus models?
Is the A650 transmission compatible with other Lexus models?
The A650 transmission is specifically designed for the 2000-2005 Lexus IS models. While it may share some similarities with transmissions in other Lexus vehicles, compatibility is not guaranteed. Always verify part numbers and consult technical specifications or a Lexus dealership to ensure proper fitment for other models.
Q2 What are the maintenance requirements for the A650 transmission?
What are the maintenance requirements for the A650 transmission?
The A650 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 in good condition. Regular diagnostics using OBD-II tools can help identify potential issues early.
Q3 How do I replace the A650 transmission in a 2000-2005 Lexus IS?
How do I replace the A650 transmission in a 2000-2005 Lexus IS?
Replacing the A650 transmission involves several steps: 1) Disconnect the battery and remove the driveshaft. 2) Drain the transmission fluid and disconnect all electrical connectors. 3) Support the engine and remove the transmission crossmember. 4) Lower the transmission and install the new unit, reversing the steps. Ensure proper alignment and torque specifications during reassembly.
Q4 What should I do if my A650 transmission is slipping or shifting poorly?
What should I do if my A650 transmission is slipping or shifting poorly?
If your A650 transmission is slipping or shifting poorly, start by checking the transmission fluid level and condition. Low or contaminated fluid can cause these issues. Inspect for leaks, damaged wiring, or faulty sensors. If the problem persists, use an OBD-II scanner to check for error codes and consult a professional mechanic for further diagnostics.
Q5 How can I optimize the performance of my A650 transmission?
How can I optimize the performance of my A650 transmission?
To optimize the A650 transmission's performance, use high-quality transmission fluid recommended by Lexus. Regularly check and maintain proper fluid levels. Avoid aggressive driving and ensure the transmission is properly warmed up before heavy use. Consider installing an aftermarket transmission cooler for improved heat dissipation during high-performance driving.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
2000-2005 Lexus IS A650 Transmission Service Manual
Coming SoonThis manual provides detailed instructions for servicing and maintaining the A650 transmission, including diagrams, torque specifications, and troubleshooting tips.
Technical Service Bulletin for A650 Transmission Updates
Coming SoonThis bulletin outlines important updates and fixes for the A650 transmission, including software updates and hardware modifications.
Lexus IS A650 Transmission Parts Catalog
Coming SoonThis catalog lists all OEM and compatible aftermarket parts for the A650 transmission, including part numbers and descriptions.
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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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