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Jeep Wrangler 1997-2006 30RH Transmission Specifications
This document provides detailed technical specifications for the 30RH automatic transmission used in the 1997-2006 Jeep Wrangler. It includes information on gear ratios, torque capacity, fluid type, and maintenance intervals, essential for owners, mechanics, and enthusiasts. Understanding these specifications helps in diagnosing issues, performing repairs, and ensuring optimal performance. Additionally, the document highlights compatibility with various Jeep Wrangler models and years, making it a valuable resource for those looking to maintain, upgrade, or replace their transmission. Whether you're a DIY mechanic or a professional technician, this guide offers the necessary details to keep your Jeep Wrangler running smoothly.
Overview Specifications
This document provides detailed specifications and technical information about the 30RH automatic transmission used in 1997-2006 Jeep Wrangler models. It includes sections on transmission design, performance, maintenance, and troubleshooting. Use this guide to understand the transmission's operation, identify key components, and ensure proper care. The 'HowTo' section explains how to search and navigate the document efficiently, while 'Quick Reference' offers a summary of essential specifications.
How to Use
Use the search function to find specific terms or topics. Enter keywords like 'gear ratios' or 'fluid capacity' for targeted results. Combine terms for more precise searches. Use quotation marks for exact phrases.
Navigate through sections using the table of contents. Click on a section title to jump directly to it. Subsections are listed under each major section for detailed information. Use the 'Quick Reference' section for a summary of key specs.
Key Specifications
Transmission Type
3-speed automatic
Gear Ratios
2.74, 1.54, 1.00
Fluid Capacity
6.0 quarts
Torque Capacity
250 lb-ft
Engine Compatibility
Up to 4.0L
Available Specifications
Transmission Design
This section covers the engineering and design aspects of the 30RH transmission. Learn about its construction, material composition, and how it integrates with the Jeep Wrangler's drivetrain. Key components and their functions are also explained.
Transmission Design
This section covers the engineering and design aspects of the 30RH transmission. Learn about its construction, material composition, and how it integrates with the Jeep Wrangler's drivetrain. Key components and their functions are also explained.
Gear Configuration
- Three-speed automatic transmission
- Hydraulic control system
- Lock-up torque converter
- Planetary gear set design
- Built for durability in off-road conditions
Material and Build
- Aluminum alloy transmission case
- High-strength steel gears
- Heat-resistant seals and gaskets
- Compact and lightweight design
Performance Specifications
This section outlines the performance metrics of the 30RH transmission, including gear ratios, torque capacity, and fluid requirements. Understand how these specifications impact the vehicle's overall performance.
Performance Specifications
This section outlines the performance metrics of the 30RH transmission, including gear ratios, torque capacity, and fluid requirements. Understand how these specifications impact the vehicle's overall performance.
Gear Ratios
- First gear: 2.74:1
- Second gear: 1.54:1
- Third gear: 1.00:1
- Reverse gear: 2.21:1
Torque and Power
- Maximum torque capacity: 250 lb-ft
- Designed for engines up to 4.0L
- Optimized for low-speed torque
Maintenance and Care
Learn how to maintain the 30RH transmission for optimal performance and longevity. This section includes fluid recommendations, service intervals, and common maintenance tasks.
Maintenance and Care
Learn how to maintain the 30RH transmission for optimal performance and longevity. This section includes fluid recommendations, service intervals, and common maintenance tasks.
Fluid Requirements
- ATF+4 fluid recommended
- Fluid capacity: 6.0 quarts (approx.)
- Check fluid level when engine is warm
Service Intervals
- Fluid change every 30,000 miles
- Inspect for leaks regularly
- Replace filter with fluid change
Search Specifications
Search by specification name, value, or description
Type to search through torque specifications. Results will appear below as you type.
Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- 3-speed
- Platform
- Jeep Wrangler TJ
- Material
- Aluminum alloy housing
- Location
- Front-engine, rear-wheel drive
Dimensions
- Length
- 23.5 inches (597 mm)
- Width
- 14.2 inches (361 mm)
- Height
- 12.8 inches (325 mm)
- Weight
- 125 lbs (56.7 kg)
- input Shaft Length
- 6.3 inches (160 mm)
- Output Shaft Length
- 8.7 inches (221 mm)
- Bolt Pattern
- 6-bolt, 6.5 inches (165 mm) diameter
Materials
- Housing
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Friction material with steel plates
- Seals
- Viton rubber
- Fluid
- ATF+4 automatic transmission fluid
Features
- Shifting
-
- Hydraulic shift control
- Electronic shift solenoid
- Manual valve body option
- Cooling
-
- Integrated transmission cooler
- External cooler compatibility
- Thermostatically controlled
- Durability
-
- Reinforced gear train
- Heavy-duty clutch packs
- High-capacity fluid pump
- Compatibility
-
- Jeep 4.0L inline-6 engine
- Jeep 2.5L inline-4 engine
- NP231 transfer case
- Controls
-
- Paddle shift option
- Gear position sensor
- Shift lock mechanism
Safety Features
- Protection
-
- Overheat protection
- Overpressure relief valve
- Neutral safety switch
- Monitoring
-
- Transmission temperature sensor
- Fluid level sensor
- Shift position indicator
Comfort Features
- Smoothness
-
- Soft shift programming
- Torque converter lockup
- Vibration dampening mounts
- Noise Reduction
-
- Helical cut gears
- Sound insulation
- Balanced rotating assembly
- Drivability
-
- Adaptive shift logic
- Hill descent control
- Trailer towing mode
- Convenience
-
- One-touch shift override
- Cruise control integration
- Shift-on-the-fly capability
Accessories
- Performance
-
- Shift kit
- High-stall torque converter
- External transmission cooler
- Maintenance
-
- Transmission fluid filter
- Gasket and seal kit
- Fluid exchange pump
- installation
-
- Transmission mount
- Crossmember kit
- Shift linkage
Maintenance
- intervals
-
- Fluid change: Every 30,000 miles or 24 months
- Filter replacement: Every 60,000 miles or 48 months
- Seal inspection: Every 15,000 miles or 12 months
- Shift linkage adjustment: Every 10,000 miles or 12 months
- Torque converter inspection: Every 100,000 miles
- Notes
-
- Use only ATF+4 fluid
- Inspect for leaks regularly
- Avoid overheating conditions
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Parts and labor
- Powertrain
- Miles: 60,000Years: 5Coverage: Major components
- Corrosion
- Miles: 100,000Years: 7Coverage: Perforation only
- Emissions
- Miles: 80,000Years: 8Coverage: Federal emissions components
Production Details
- Manufacturer
- Chrysler Corporation
- Manufacturing Process
-
- CNC machining
- Heat treatment
- Precision assembly
- Quality Control
- inspection: 100% component testingTolerance: ±0.001 inchesTesting: Dyno testing, Pressure testing, Shift cycle testing
- Sustainability
-
- Recyclable materials
- Low-emission manufacturing
- Waste reduction program
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%Energy Use: 15 kWh per unit
Service Information for 30rh transmission Service
Maintenance and service requirements specific to this component
- Transmission fluid change
- Filter replacement
- Seal inspection
- Shift linkage adjustment
- Fluid level check
Use only ATF+4 fluid
- Complete fluid flush
- Filter and gasket replacement
- Transmission mount check
- Shift solenoid testing
- Cooler line inspection
Special tools required for flush procedure
- Torque converter inspection
- Clutch pack wear check
- Transmission overhaul if needed
- Bushing and bearing replacement
- Shift quality verification
Professional service recommended for major maintenance
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 30RH transmission compatible with other Jeep models?
Is the 30RH transmission compatible with other Jeep models?
The 30RH transmission is specifically designed for the 1997-2006 Jeep Wrangler (TJ). While it shares similarities with other transmissions, compatibility with other Jeep models is limited due to differences in mounting points, gear ratios, and electronic controls. Always verify with a trusted mechanic or refer to the vehicle's technical specifications before attempting cross-model installations.
Q2 What are the maintenance requirements for the 30RH transmission?
What are the maintenance requirements for the 30RH transmission?
The 30RH transmission requires regular maintenance to ensure optimal performance. This includes checking and replacing the transmission fluid every 30,000 miles, inspecting the filter for debris, and ensuring the cooling system is functioning properly. Additionally, monitor for signs of slipping, unusual noises, or delayed shifts, which may indicate the need for professional servicing.
Q3 How do I replace the 30RH transmission in my Jeep Wrangler?
How do I replace the 30RH transmission in my Jeep Wrangler?
Replacing the 30RH transmission involves several steps: disconnect the battery, remove the driveshaft, detach the transmission cooler lines, unbolt the transmission from the engine, and carefully lower it using a transmission jack. Install the new transmission by reversing the process, ensuring all connections are secure. It’s recommended to consult a service manual or professional mechanic for detailed instructions.
Q4 What should I do if my 30RH transmission is slipping?
What should I do if my 30RH transmission is slipping?
Transmission slipping can be caused by low fluid levels, worn clutch packs, or a faulty solenoid. Start by checking the fluid level and condition. If the fluid is low or contaminated, top it up or perform a fluid change. If the issue persists, inspect the transmission filter and solenoid. Persistent problems may require professional diagnostics and repair.
Q5 How can I optimize the performance of my 30RH transmission?
How can I optimize the performance of my 30RH transmission?
To optimize the 30RH transmission, use high-quality synthetic transmission fluid and ensure the cooling system is efficient. Regularly inspect and replace the transmission filter. Avoid excessive towing or heavy loads to reduce strain. Additionally, consider upgrading the torque converter or adding an auxiliary cooler for enhanced performance and durability.
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 Wrangler TJ Service Manual
Coming SoonComprehensive guide covering maintenance, repair, and troubleshooting for the 1997-2006 Jeep Wrangler, including detailed information on the 30RH transmission.
Technical Service Bulletin for 30RH Transmission
Coming SoonOfficial bulletin addressing common issues, updates, and recommended fixes for the 30RH transmission in Jeep Wrangler models.
Jeep Wrangler Parts and Accessories Catalog
Coming SoonDetailed catalog listing OEM and aftermarket parts for the 1997-2006 Jeep Wrangler, including transmission components.
Legal Disclaimer
Important information about using this content
Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.
General Information
Warranty & Liability
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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