GMC Envoy 2002-2009 4L60 Transmission Specifications
This document provides detailed specifications for the 4L60 transmission used in the 2002-2009 GMC Envoy. It includes key technical details such as gear ratios, torque capacity, fluid requirements, and maintenance intervals. The purpose of this document is to assist vehicle owners, mechanics, and enthusiasts in understanding the transmission's capabilities, ensuring proper maintenance, and facilitating repairs. The information is valuable for anyone looking to enhance the performance, longevity, and reliability of their GMC Envoy's transmission system. Whether you're performing routine maintenance, troubleshooting issues, or considering upgrades, this comprehensive guide serves as an essential resource.
Overview Specifications
This document provides detailed specifications and technical information about the 4L60-E transmission used in the 2002-2009 GMC Envoy. It is designed to assist mechanics, enthusiasts, and owners in understanding the transmission's features, maintenance requirements, and performance capabilities. Use the search and navigation instructions to quickly locate specific details or browse through the sections for comprehensive insights.
How to Use
Use the search bar to enter keywords related to the 4L60-E transmission, such as 'gear ratios' or 'fluid capacity'. Results will highlight relevant sections and subsections for quick access.
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
4-speed automatic
Torque Capacity
360 lb-ft
Fluid Capacity
12 quarts
Gear Ratios
3.06:1 to 0.70:1
Service Interval
30,000-50,000 miles
Available Specifications
General Specifications
This section covers the basic technical details of the 4L60-E transmission, including its design, compatibility, and key features. It provides a foundation for understanding the transmission's capabilities and limitations.
General Specifications
This section covers the basic technical details of the 4L60-E transmission, including its design, compatibility, and key features. It provides a foundation for understanding the transmission's capabilities and limitations.
Design and Compatibility
- 4-speed automatic transmission
- Used in rear-wheel-drive and four-wheel-drive vehicles
- Compatible with V6 and V8 engines
- Electronically controlled for improved performance
- Hydraulic torque converter for smooth shifting
- Designed for light-duty trucks and SUVs
Key Features
- Overdrive for improved fuel efficiency
- Adaptive shift control for optimized performance
- Durable construction for long-term reliability
- Integrated diagnostics for easier troubleshooting
- Compact design for efficient packaging
- Wide range of gear ratios for versatility
Performance Specifications
This section delves into the performance metrics of the 4L60-E transmission, including gear ratios, torque capacity, and shift points. It is essential for evaluating the transmission's suitability for specific applications.
Performance Specifications
This section delves into the performance metrics of the 4L60-E transmission, including gear ratios, torque capacity, and shift points. It is essential for evaluating the transmission's suitability for specific applications.
Gear Ratios
- First gear: 3.06:1
- Second gear: 1.63:1
- Third gear: 1.00:1
- Fourth gear (Overdrive): 0.70:1
- Reverse gear: 2.29:1
- Final drive ratio varies by vehicle configuration
Torque Capacity
- Rated for up to 360 lb-ft of torque
- Suitable for light to moderate towing
- Handles engine outputs up to 300 horsepower
- Dependent on proper maintenance and cooling
- Upgradable components for increased capacity
- Factory-rated for 150,000+ miles with proper care
Maintenance and Service
This section provides guidance on maintaining and servicing the 4L60-E transmission to ensure optimal performance and longevity. It includes fluid specifications, service intervals, and common troubleshooting tips.
Maintenance and Service
This section provides guidance on maintaining and servicing the 4L60-E transmission to ensure optimal performance and longevity. It includes fluid specifications, service intervals, and common troubleshooting tips.
Fluid Specifications
- Requires Dexron III or Dexron VI automatic transmission fluid
- Fluid capacity: 12 quarts (including torque converter)
- Regular fluid changes recommended every 30,000-50,000 miles
- Use of incorrect fluid can cause damage
- Fluid level should be checked when warm
- Seal conditioners can extend seal life
Service Intervals
- Inspect transmission fluid every 15,000 miles
- Replace filter and gasket during fluid changes
- Check for leaks and wear during routine maintenance
- Monitor shift quality and responsiveness
- Address error codes promptly using diagnostic tools
- Rebuild or replace transmission as needed after 150,000+ miles
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Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- 4-speed overdrive
- Platform
- GM RWD/4WD
- Material
- Aluminum case with steel internals
- Location
- Longitudinal, rear-wheel drive configuration
Dimensions
- Length
- 22.5 inches (571.5 mm)
- Width
- 14.2 inches (360.7 mm)
- Height
- 12.8 inches (325.1 mm)
- Weight
- 133 lbs (60.3 kg)
- input Shaft Length
- 7.1 inches (180.3 mm)
- Output Shaft Length
- 8.3 inches (210.8 mm)
- Bellhousing Bolt Pattern
- 6-bolt, GM standard
Materials
- Case
- Aluminum alloy
- Gears
- Hardened steel
- Clutches
- Friction material with steel plates
- Seals
- Viton rubber
- Fluid
- Dexron VI automatic transmission fluid
Features
- Shift Control
-
- Electronic shift solenoid control
- Adaptive shift programming
- Manual shift mode capability
- Torque Management
-
- Torque converter clutch (TCC)
- Lockup clutch for improved efficiency
- Electronic pressure control
- Cooling
-
- Integrated transmission cooler lines
- Auxiliary cooler compatibility
- Thermostatic control
- Durability
-
- Hardened input shaft
- Reinforced clutch packs
- High-capacity pump
- Compatibility
-
- GM 4.2L, 4.8L, 5.3L engines
- RWD and 4WD configurations
- Factory tow package support
Safety Features
- Fail Safe Mode
-
- Limp-home mode for critical failures
- Electronic diagnostics
- Overheat Protection
-
- Temperature sensor
- Automatic downshift prevention
- Fluid Monitoring
-
- Fluid level sensor
- Low fluid warning system
Comfort Features
- Shift Quality
-
- Smooth shift transitions
- Adaptive shift timing
- Noise Reduction
-
- Precision gear machining
- Dampened torque converter
- Drivability
-
- Optimized gear ratios
- Seamless lockup clutch engagement
Accessories
- Cooling
-
- Transmission cooler kit
- Auxiliary cooler lines
- Thermostatic valve
- Performance
-
- Shift improvement kit
- High-capacity torque converter
- Reinforced input shaft
- Maintenance
-
- Fluid exchange kit
- Filter and gasket set
- Seal replacement kit
Maintenance
- Service interval
- Every 30,000 miles or 24 months
- Service Items
-
- Fluid and filter replacement
- Pan gasket inspection
- Seal and bushing check
- Shift solenoid testing
- Torque converter clutch inspection
- Notes
- Use only Dexron VI fluid for optimal performance.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Parts and labor for defects
- Powertrain
- Miles: 60,000Years: 5Coverage: Transmission internals and components
- Corrosion
- Miles: 100,000Years: 7Coverage: Perforation due to rust
- Emissions
- Miles: 80,000Years: 8Coverage: Emission-related components
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Precision CNC machining
- Automated assembly
- Quality control testing
- Quality Control
- Pressure Testing: Hydraulic pressure checksShift Testing: Electronic shift calibrationLeak Testing: Seal integrity verification
- Sustainability
-
- Recycled aluminum usage
- Low-emission manufacturing
- Fluid recycling programs
- Production Metrics
- Units Per Year: Approximately 500,000Defect Rate: Less than 0.5%
Service Information for 4l60 transmission Service
Maintenance and service requirements specific to this component
- Fluid and filter replacement
- Pan gasket inspection
- Seal and bushing check
- Shift solenoid testing
- Torque converter clutch inspection
Use only Dexron VI fluid for optimal performance.
- Complete fluid flush
- Transmission cooler line inspection
- Valve body cleaning
- Clutch pack wear check
- Electronic diagnostics
Inspect for signs of wear or leaks.
- Transmission overhaul if necessary
- Replace torque converter
- Rebuild valve body
- Replace all seals and gaskets
- Performance testing
Major service may require specialized tools.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 4L60 transmission compatible with all 2002-2009 GMC Envoy models?
Is the 4L60 transmission compatible with all 2002-2009 GMC Envoy models?
The 4L60 transmission is compatible with most 2002-2009 GMC Envoy models, particularly those equipped with the 4.2L inline-6 engine. However, compatibility may vary for models with different engine configurations or drivetrain setups. Always verify your vehicle's specifications, including the VIN, to ensure proper fitment. Consult a professional or refer to the manufacturer's guidelines for confirmation.
Q2 What are the maintenance requirements for the 4L60 transmission in a GMC Envoy?
What are the maintenance requirements for the 4L60 transmission in a GMC Envoy?
Regular maintenance for the 4L60 transmission includes fluid and filter changes every 30,000 to 50,000 miles. Inspect for leaks, worn seals, and damaged components during service. Use Dexron VI automatic transmission fluid for optimal performance. Additionally, monitor the transmission's shift behavior and address any irregularities promptly to prevent long-term damage.
Q3 How do I replace the 4L60 transmission in a 2002-2009 GMC Envoy?
How do I replace the 4L60 transmission in a 2002-2009 GMC Envoy?
To replace the 4L60 transmission, first disconnect the battery and drain the transmission fluid. Remove the driveshaft, exhaust components, and crossmember. Disconnect the transmission cooler lines, wiring harness, and shift linkage. Support the transmission with a jack, remove the bellhousing bolts, and carefully lower the transmission. Install the new transmission in reverse order, ensuring proper alignment and torque specifications.
Q4 What are common troubleshooting steps for 4L60 transmission issues?
What are common troubleshooting steps for 4L60 transmission issues?
Common issues include slipping gears, delayed shifts, or transmission fluid leaks. Start by checking the fluid level and condition. Inspect for error codes using an OBD-II scanner. Test the solenoid pack, torque converter, and valve body for malfunctions. If problems persist, consult a professional for a thorough diagnostic and repair.
Q5 How can I optimize the performance of my 4L60 transmission?
How can I optimize the performance of my 4L60 transmission?
To optimize performance, use high-quality Dexron VI fluid and ensure proper fluid levels. Upgrade to a performance torque converter or shift kit for improved responsiveness. Regularly inspect and maintain the transmission cooler and lines. Avoid excessive towing or heavy loads 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.
2002-2009 GMC Envoy 4L60 Transmission Service Manual
Coming SoonDetailed service manual covering installation, maintenance, and troubleshooting for the 4L60 transmission in GMC Envoy models.
4L60 Transmission Technical Service Bulletin (TSB)
Coming SoonLatest updates and fixes for common 4L60 transmission issues in 2002-2009 GMC Envoy models.
4L60 Transmission Parts and Accessories Catalog
Coming SoonComprehensive catalog of replacement parts, upgrades, and accessories for the 4L60 transmission.
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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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