Jeep Cherokee 1997-2001 AW4 Transmission Specifications
This document provides detailed technical specifications for the AW4 automatic transmission used in the 1997-2001 Jeep Cherokee. It covers essential information such as gear ratios, fluid capacity, torque converter specifications, and shift patterns. Designed for automotive enthusiasts, mechanics, and DIY repairers, this guide serves as a valuable resource for understanding the transmission's operation, maintenance, and troubleshooting. Whether you're performing routine service, diagnosing issues, or upgrading your vehicle, these specifications will help ensure optimal performance and longevity of your Jeep Cherokee's transmission.
Overview Specifications
This document provides detailed technical specifications and operational guidance for the AW4 transmission used in the 1997-2001 Jeep Cherokee. It covers essential information such as design features, maintenance tips, and troubleshooting procedures. Whether you're a mechanic, enthusiast, or owner, this guide will help you understand and maintain the AW4 transmission effectively. Use the search and navigation tools to quickly locate specific information or browse through sections for a comprehensive understanding.
How to Use
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Key Specifications
Transmission Type
4-speed automatic
Fluid Capacity
8.5 quarts
Gear Ratios
2.84:1 to 0.73:1
Torque Rating
300 lb-ft
Weight
150 lbs
Available Specifications
Design and Features
This section outlines the key design elements and features of the AW4 transmission. It includes details on its construction, components, and how it integrates with the Jeep Cherokee's drivetrain.
Design and Features
This section outlines the key design elements and features of the AW4 transmission. It includes details on its construction, components, and how it integrates with the Jeep Cherokee's drivetrain.
Construction and Materials
- 4-speed automatic transmission
- Aluminum alloy housing for reduced weight
- Hydraulic torque converter design
- Planetary gear sets for smooth shifting
- Electronic control module (ECM) integration
- Sealed for durability in off-road conditions
Performance Features
- Adaptive shift logic for varying driving conditions
- Lock-up torque converter for improved efficiency
- Wide gear ratio range for versatility
- Compatible with 4WD and 2WD configurations
- Designed for heavy-duty use
- Smooth and responsive shifting
Maintenance and Care
Learn how to properly maintain the AW4 transmission to ensure longevity and optimal performance. This section covers fluid requirements, inspection intervals, and common maintenance tasks.
Maintenance and Care
Learn how to properly maintain the AW4 transmission to ensure longevity and optimal performance. This section covers fluid requirements, inspection intervals, and common maintenance tasks.
Fluid Requirements
- Use Dexron III/Mercon ATF
- Fluid capacity: 8.5 quarts (with torque converter)
- Regular fluid checks every 30,000 miles
- Replace transmission filter during fluid changes
- Avoid overfilling to prevent leaks
- Monitor fluid color and consistency
Inspection and Service
- Check for leaks around seals and gaskets
- Inspect transmission mounts for wear
- Test shift linkage for proper operation
- Flush transmission every 60,000 miles
- Monitor for unusual noises or vibrations
- Address any error codes promptly
Troubleshooting
This section provides guidance on identifying and resolving common issues with the AW4 transmission. It includes symptoms, potential causes, and recommended solutions.
Troubleshooting
This section provides guidance on identifying and resolving common issues with the AW4 transmission. It includes symptoms, potential causes, and recommended solutions.
Common Issues
- Delayed or harsh shifting
- Transmission slipping under load
- Fluid leaks from seals or gaskets
- Overheating during extended use
- Unusual noises during operation
- Failure to engage in gear
Diagnostic Tips
- Check fluid level and condition
- Inspect wiring harness for damage
- Test transmission pressure levels
- Scan for ECM error codes
- Examine shift solenoid operation
- Verify torque converter function
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Transmission Specifications
Overview
- Type
- Automatic Transmission
- Configuration
- 4-speed, rear-wheel drive
- Platform
- Jeep Cherokee (XJ)
- Material
- Aluminum casing, steel internals
- Location
- Mounted longitudinally in the vehicle
Dimensions
- Length
- 23.5 inches (59.7 cm)
- Width
- 15.7 inches (40 cm)
- Height
- 12.2 inches (31 cm)
- Weight
- 150 lbs (68 kg)
- input Shaft Diameter
- 1.2 inches (3 cm)
- Output Shaft Diameter
- 1.5 inches (3.8 cm)
- Fluid Capacity
- 7.5 quarts (7.1 liters)
Materials
- Casing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction material
- Seals
- Viton rubber
Features
- Gearing
-
- 4 forward gears
- 1 reverse gear
- Overdrive in 4th gear
- Control
-
- Electronic shift control
- Torque converter lockup
- Manual shift mode
- Cooling
-
- Integrated transmission cooler
- Fluid temperature sensor
- External cooler connections
- Durability
-
- Heavy-duty clutch packs
- Hardened gear teeth
- Reinforced input shaft
- Compatibility
-
- Compatible with 4.0L inline-6 engine
- Adaptable to various transfer cases
- Supports OEM and aftermarket modifications
Safety Features
- Shifting
-
- Fail-safe shifting mode
- Neutral safety switch
- Reverse lockout
- Temperature
-
- Overheat protection
- Fluid temperature warning system
Comfort Features
- Smoothness
-
- Smooth gear transitions
- Reduced vibration
- Noise
-
- Quiet operation
- Sound-insulated casing
- Response
-
- Quick shift response
- Adaptive shift logic
Accessories
- Cooling
-
- External transmission cooler
- Cooler lines
- Temperature gauge
- Shifting
-
- Shift kit
- Manual shift lever
- Shift indicator
- Mounting
-
- Transmission mount
- Crossmember
- Mounting bolts
Maintenance
- interval
- Every 30,000 miles or 24 months
- Items
-
- Check fluid level and condition
- Replace transmission filter
- Inspect for leaks
- Adjust shift linkage
- Test shift solenoid operation
- Notes
- Use only specified transmission fluid for optimal performance
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Parts and labor
- Powertrain
- Miles: 60,000Years: 5Coverage: Major components
- Extended
- Miles: 100,000Years: 7Coverage: Limited to specific parts
- Terms
- Warranty void if improper fluid or modifications are used
Production Details
- Manufacturer
- Aisin-Warner
- Process
-
- CNC machining
- Heat treatment
- Precision assembly
- Quality Control
- inspection: 100% component inspectionTesting: Dyno testing for each unitStandards: ISO 9001 certified
- Sustainability
-
- Recycled aluminum used in casing
- Eco-friendly manufacturing process
- Metrics
-
- Production rate: 500 units/day
- Defect rate: <0.1%
Service Information for aw4 transmission Service
Maintenance and service requirements specific to this component
- Check and adjust transmission fluid level
- Inspect for leaks and damage
- Test shift solenoid operation
- Inspect transmission mount
- Check shift linkage adjustment
Use only specified transmission fluid
- Replace transmission filter
- Flush transmission fluid
- Inspect torque converter
- Check and clean cooler lines
- Test electronic shift control
Replace fluid with OEM specification only
- Inspect and replace clutch packs if needed
- Check and replace seals
- Test transmission pressure
- Inspect and replace shift solenoids if needed
- Perform full diagnostic test
Major service may require special tools
Common Questions
Find answers to common questions about torque specifications
Q1 Is the AW4 transmission compatible with other Jeep models?
Is the AW4 transmission compatible with other Jeep models?
The AW4 transmission, used in 1997-2001 Jeep Cherokees, is specifically designed for these models. While it shares similarities with other transmissions, compatibility with other Jeep models or years is limited due to variations in engine configurations, mounting points, and electronic controls. Always verify compatibility with your vehicle’s specifications before attempting any installation or replacement.
Q2 What are the maintenance requirements for the AW4 transmission?
What are the maintenance requirements for the AW4 transmission?
The AW4 transmission requires regular maintenance to ensure optimal performance. This includes checking and replacing the transmission fluid every 30,000 to 60,000 miles, inspecting the transmission filter, and ensuring proper adjustment of the throttle valve cable. Regular inspections for leaks, unusual noises, or shifting issues are also recommended to maintain the transmission’s longevity and reliability.
Q3 How do I install or replace the AW4 transmission in a Jeep Cherokee?
How do I install or replace the AW4 transmission in a Jeep Cherokee?
Replacing the AW4 transmission involves several steps: 1) Disconnect the battery and drain the transmission fluid. 2) Remove the driveshaft, transfer case, and transmission crossmember. 3) Disconnect the wiring harness and shift linkage. 4) Support the engine and remove the transmission mounting bolts. 5) Carefully lower and remove the transmission. Installation follows the reverse steps, ensuring all connections are secure and fluid levels are checked. Professional assistance is recommended for complex tasks.
Q4 What are common troubleshooting steps for AW4 transmission issues?
What are common troubleshooting steps for AW4 transmission issues?
Common issues with the AW4 transmission include slipping gears, delayed shifting, or fluid leaks. Start by checking the transmission fluid level and condition. Inspect for leaks around the pan, seals, and cooler lines. Test the throttle valve cable for proper adjustment. If electronic issues are suspected, scan for trouble codes using an OBD-II scanner. For persistent problems, consult a professional technician for further diagnosis.
Q5 How can I optimize the performance of my AW4 transmission?
How can I optimize the performance of my AW4 transmission?
To optimize AW4 transmission performance, use high-quality transmission fluid recommended by the manufacturer. Regularly check and adjust the throttle valve cable to ensure smooth shifting. Maintain proper fluid levels and replace the filter during fluid changes. Avoid excessive towing or heavy loads without proper cooling upgrades. Consider installing an auxiliary transmission cooler for improved thermal management during demanding conditions.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
Jeep Cherokee AW4 Transmission Service Manual
Coming SoonThis manual provides detailed instructions for servicing and repairing the AW4 transmission used in 1997-2001 Jeep Cherokees, including disassembly, troubleshooting, and reassembly procedures.
Technical Service Bulletin for AW4 Transmission
Coming SoonThis bulletin addresses common issues and updates for the AW4 transmission, including recommended fixes and maintenance practices for improved reliability.
Jeep Cherokee AW4 Transmission Parts Catalog
Coming SoonThis catalog lists all available parts and accessories for the AW4 transmission, including part numbers and compatibility information for easy reference.
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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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