Acura CL 2001-2003 B7XA Transmission Specifications
Comprehensive technical specifications and service details for the B7XA automatic transmission system used in the 2001-2003 Acura CL. This document covers transmission fluid requirements, torque converter specifications, gear ratios, shift solenoid operation, valve body details, and diagnostic procedures specific to the B7XA transmission.
B7XA Transmission Specifications Specifications
This document provides detailed specifications, maintenance schedules, and troubleshooting guidelines for the B7XA transmission used in the 2001-2003 Acura CL. It is designed to help mechanics and enthusiasts understand the transmission's operation, identify common issues, and perform necessary repairs. Use the table of contents to navigate sections, and refer to the quick reference for key specifications.
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Key Specifications
Transmission Type
5-speed automatic
Torque Capacity
215 lb-ft
Fluid Type
ATF DW-1
Fluid Capacity
Approx. 3.5 quarts
Cooler Type
OEM-specific
Available Specifications
Transmission Overview
The B7XA is a 5-speed automatic transmission designed for the 2001-2003 Acura CL. It features a lock-up torque converter and electronic controls for smooth shifting and improved fuel efficiency. This section provides an overview of the transmission's design and operation.
Transmission Overview
The B7XA is a 5-speed automatic transmission designed for the 2001-2003 Acura CL. It features a lock-up torque converter and electronic controls for smooth shifting and improved fuel efficiency. This section provides an overview of the transmission's design and operation.
Transmission Type
- 5-speed automatic transmission
- Rear-wheel drive (RWD) configuration
- Electronically controlled shifts
- Lock-up torque converter for improved fuel efficiency
- Adaptive shift logic based on driving conditions
- Manual shift mode (if equipped)
Gear Ratios
- 1st gear: 2.553
- 2nd gear: 1.667
- 3rd gear: 1.000
- 4th gear: 0.667
- 5th gear: 0.467
- Reverse gear: 1.667
Torque Capacity
- Maximum torque capacity: 215 lb-ft
- Optimized for 3.2L V6 engine
- Designed for smooth power delivery
- Ideal for both city and highway driving
Maintenance Schedule
Regular maintenance is essential to ensure the longevity and performance of the B7XA transmission. This section outlines the recommended service intervals and procedures.
Maintenance Schedule
Regular maintenance is essential to ensure the longevity and performance of the B7XA transmission. This section outlines the recommended service intervals and procedures.
Transmission Fluid
- Recommended fluid: ATF DW-1
- Change interval: Every 30,000 to 60,000 miles
- Check fluid level every 15,000 miles
- Use a fluid transfer pump for accurate level checking
- Avoid overfilling to prevent damage
Filter Replacement
- Replace transmission filter every 30,000 miles
- Use genuine Honda or equivalent filter
- Inspect filter housing for leaks or damage
- Clean or replace filter pan gasket as needed
Inspection
- Inspect transmission mounts every 15,000 miles
- Check for fluid leaks around pan, cooler lines, and seals
- Monitor shift quality and adjust shift points if necessary
- Scan for trouble codes using an OBD-II scanner
Troubleshooting Guide
This section provides common issues, diagnostic steps, and repair procedures for the B7XA transmission. Use this guide to identify and address problems effectively.
Troubleshooting Guide
This section provides common issues, diagnostic steps, and repair procedures for the B7XA transmission. Use this guide to identify and address problems effectively.
Common Issues
- Slipping or hesitation between gears
- Harsh or abrupt shifts
- Transmission overheating
- Leaking fluid from cooler lines or pan
- Faulty solenoid or sensor operation
Diagnostic Steps
- Check transmission fluid level and condition
- Scan for DTCs (Diagnostic Trouble Codes)
- Test solenoid resistance and electrical connections
- Inspect cooler lines for blockages or damage
- Monitor transmission temperature during operation
Repair Procedures
- Replace faulty solenoids or sensors
- Repair or replace damaged cooler lines
- Replace leaking seals or gaskets
- Flush and refill transmission fluid
- Update transmission software if necessary
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Transmission Specifications
Overview
- Type
- 5-speed automatic transmission
- Configuration
- Longitudinal
- Platform
- Mid-size luxury sedan
- Material
- Aluminum alloy and steel
- Location
- Rear-wheel drive (RWD)
Dimensions
- Length
- 30.7 in (780 mm)
- Width
- 20.7 in (527 mm)
- Height
- 11.8 in (300 mm)
- Weight
- 205 lbs (93 kg)
- Fluid Capacity
- 4.2 quarts (4.0 liters)
- Gear Ratios
- 1st: 2.5392nd: 1.5243rd: 1.0004th: 0.6945th: 0.579Reverse: 2.539Final Drive: 4.065
Materials
- Transmission Casing
- Aluminum alloy
- Gears
- Forged steel
- Bearings
- High-carbon steel
- Torque Converter
- Steel cover with elastomer lining
- Valve Body
- Die-cast aluminum
Features
- Gearing
-
- Optimized gear ratios for performance and fuel efficiency
- Smooth torque delivery
- Helical-cut gears for reduced noise
- Torque Delivery
-
- Lock-up torque converter
- Adaptive shift control
- Progressive shifting logic
- Control Systems
-
- Electronic control module (ECM)
- Solenoid-operated hydraulic controls
- Throttle position sensor integration
- Durability Features
-
- Reinforced internal components
- High-capacity cooler system
- Friction-reduced bearings
- Efficiency
-
- Low-viscosity transmission fluid compatibility
- Optimized pump design
- Reduced parasitic losses
Safety Features
- Overheating Protection
-
- Temperature monitoring system
- Cooling system with radiator
- Thermal bypass valve
- Mechanical Safety
-
- Torque limiter
- Clutch pack protection
- Overload protection
- Electronic Safety
-
- Fail-safe default mode
- Error code storage
- Self-diagnostic capability
Comfort Features
- Smooth Operation
-
- Silent chain drive
- Cushioned mounts
- Noise-reducing insulation
- Shift Quality
-
- Adaptive learning
- Manual shift mode
- Grade logic control
- Convenience
-
- Torque converter lock-up
- Low-speed maneuvering
- Creep mode
Accessories
- Transmission Cooler
-
- High-capacity cooler
- Fan-assisted cooling
- Integrated temperature sensor
- Transmission Pan
-
- Steel pan with drain plug
- Gasket kit
- Pan skid plate
- Fluid Filter
-
- Spin-on filter
- Filter wrench
- O-ring seal
Maintenance
- Service interval
- Every 30,000 to 60,000 miles
- Maintenance Items
-
- Transmission fluid change
- Filter replacement
- Pan gasket inspection
- Cooler lines inspection
- Electric and hydraulic controls check
- Maintenance Notes
-
- Use Honda ATF DW-1 fluid only
- Avoid aggressive flush procedures
- Check for software updates
Warranty
- Basic
- Miles: 36000Years: 3Coverage: Bumper-to-bumperDetails: Covers all transmission components
- Powertrain
- Miles: 60000Years: 5Coverage: DrivetrainDetails: Includes transmission and transaxle
- Corrosion
- Miles: UnlimitedYears: 5Coverage: Perforation onlyDetails: Body sheet metal panels
- Emissions
- Miles: 80000Years: 8Coverage: Emissions control devicesDetails: Catalytic converter and transmission controls
Production Details
- Manufacturer
- Honda
- Manufacturing Process
-
- Forging of gears
- CNC machining
- Robotic assembly
- Laser welding
- End-of-line testing
- Quality Control
- inspections: Dimensional checks, Leak testing, Performance testingTesting: Bench Testing: Load simulation, 环境测试: Environmental chambers, Durability Testing: High-mileage testingDefect Rate: Less than 1%Certifications: ISO 9001
- Sustainability Practices
-
- Recycled materials
- Energy-efficient manufacturing
- Waste reduction programs
- Production Metrics
- Units Produced: Over 100,000 unitsProduction Years: 2001-2003Reliability Rating: 4.5/5Failure Rate: Low
Service Information for B7XA Transmission Service
Maintenance and service requirements specific to the B7XA transmission
- Transmission fluid change
- Filter replacement
- Pan gasket inspection
- Cooler lines inspection
- Electric and hydraulic controls check
Use Honda ATF DW-1 fluid only. Avoid aggressive flush procedures.
- Transmission fluid change
- Filter replacement
- Pan gasket replacement
- Cooler lines inspection
- Solenoid pack inspection
- Throttle position sensor check
Inspect transmission mounts. Check for software updates.
- Major transmission service
- Torque converter replacement
- Valve body inspection
- Clutch pack replacement
- Bearing inspection
- Hydraulic system overhaul
Requires specialized tools and expertise. Use genuine parts only.
Common Questions
Find answers to common questions about torque specifications
Q1 What is the recommended transmission fluid for the b7xa-transmission in a 2001-2003 Acura CL?
What is the recommended transmission fluid for the b7xa-transmission in a 2001-2003 Acura CL?
The b7xa-transmission requires Honda/Acura Genuine ATF-Z1 or an equivalent premium automatic transmission fluid that meets Honda/Acura specifications. The fluid capacity is approximately 7.4 quarts (7.0 liters) for a complete fluid change, including the torque converter.
Q2 What is the shift pattern and gear ratio configuration for the b7xa-transmission?
What is the shift pattern and gear ratio configuration for the b7xa-transmission?
The b7xa-transmission is a 5-speed automatic with the following gear ratios: 1st gear (2.697), 2nd gear (1.606), 3rd gear (1.071), 4th gear (0.765), 5th gear (0.566), and Reverse (2.000). The final drive ratio is 4.389.
Q3 How often should the transmission fluid be replaced in the b7xa-transmission?
How often should the transmission fluid be replaced in the b7xa-transmission?
Acura recommends replacing the transmission fluid every 30,000 to 60,000 miles, depending on driving conditions. Severe driving conditions, such as frequent towing or stop-and-go traffic, may require more frequent service.
Q4 What are common symptoms of a failing b7xa-transmission?
What are common symptoms of a failing b7xa-transmission?
Common symptoms include delayed or harsh shifting, slipping gears, transmission fluid leaks, unusual noises (e.g., whining or grinding), and the illumination of the Check Engine or Transmission Warning light. Immediate inspection and service are recommended to prevent further damage.
Q5 Can the b7xa-transmission be repaired, or does it require a full replacement?
Can the b7xa-transmission be repaired, or does it require a full replacement?
The b7xa-transmission can often be repaired if issues are identified early. Common repairs include replacing solenoids, valve body components, or seals. However, severe internal damage may necessitate a full transmission replacement or remanufactured unit.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Acura CL Transmission Service Manual
Coming SoonOfficial service manual for the 2001-2003 Acura CL, including detailed procedures for maintaining and repairing the b7xa-transmission.
Transmission Fluid Specifications Guide
Coming SoonA comprehensive guide to selecting the correct transmission fluid for the b7xa-transmission, including compatibility and performance details.
Common Transmission Issues and Solutions
Coming SoonA troubleshooting guide for diagnosing and resolving common problems with the b7xa-transmission.
Torque Converter Replacement Procedure
Coming SoonStep-by-step instructions for replacing the torque converter in the b7xa-transmission, including torque specifications and safety precautions.
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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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