Buick Lucerne 2006-2011 4T65 Transmission Specifications
This document provides a detailed overview of the 4T65-E transmission specifications for the 2006-2011 Buick Lucerne. It includes essential technical details such as gear ratios, torque capacity, fluid type, and maintenance intervals. These specifications are crucial for diagnosing issues, performing repairs, and ensuring optimal performance of the transmission. The information is tailored for automotive technicians, enthusiasts, and owners seeking to understand the transmission's capabilities and requirements. By referencing this guide, readers can make informed decisions about maintenance, upgrades, and compatibility with other components. The comprehensive nature of this document makes it a valuable resource for anyone working on or owning a Buick Lucerne from this generation.
4T65-E Transmission Overview Specifications
This document provides detailed specifications and technical information about the 4T65-E automatic transmission used in the 2006-2011 Buick Lucerne. The 4T65-E is a four-speed automatic transmission known for its reliability and smooth operation. This guide includes sections on technical specifications, maintenance tips, common issues, and performance characteristics. Use this document to understand the transmission's features, maintain it properly, and troubleshoot common problems. Whether you're a mechanic, car enthusiast, or Lucerne owner, this guide will provide valuable insights into your vehicle's transmission.
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Navigate through the document using the section titles in the table of contents. Each section is organized into subsections, making it easy to find detailed information on specific aspects of the 4T65-E transmission.
Key Specifications
Transmission Type
4-Speed Automatic
Gear Ratios
2.921:1 - 0.705:1
Fluid Capacity
12.0 quarts
Torque Converter Stall Speed
1800-2200 RPM
Service Interval
Every 50,000 miles
Available Specifications
Technical Specifications
This section covers the key technical specifications of the 4T65-E transmission, including gear ratios, fluid capacity, and torque converter details. Understanding these specifications is essential for proper maintenance and performance tuning.
Technical Specifications
This section covers the key technical specifications of the 4T65-E transmission, including gear ratios, fluid capacity, and torque converter details. Understanding these specifications is essential for proper maintenance and performance tuning.
Gear Ratios
- First Gear: 2.921:1
- Second Gear: 1.568:1
- Third Gear: 1.000:1
- Fourth Gear: 0.705:1
- Reverse Gear: 2.385:1
Fluid Capacity
- Total Fluid Capacity: 12.0 quarts (11.4 liters)
- Fluid Type: Dexron VI Automatic Transmission Fluid
- Fluid Change Interval: Every 50,000 miles
Torque Converter
- Stall Speed: 1800-2200 RPM
- Lockup Clutch: Yes
- Diameter: 12 inches
Maintenance and Care
Proper maintenance is crucial for the longevity and performance of the 4T65-E transmission. This section provides guidelines on routine maintenance, fluid changes, and common signs of potential issues.
Maintenance and Care
Proper maintenance is crucial for the longevity and performance of the 4T65-E transmission. This section provides guidelines on routine maintenance, fluid changes, and common signs of potential issues.
Routine Maintenance
- Check fluid level monthly
- Inspect for leaks regularly
- Replace transmission filter every 50,000 miles
Fluid Change Procedure
- Warm up the transmission
- Drain old fluid from the pan
- Replace the filter and gasket
- Refill with new Dexron VI fluid
Common Issues
- Delayed shifting
- Transmission slipping
- Check Engine Light with transmission codes
- Fluid leaks from seals
Performance Characteristics
The 4T65-E transmission is designed for smooth and reliable performance. This section explores its performance characteristics, including shift quality, durability, and efficiency.
Performance Characteristics
The 4T65-E transmission is designed for smooth and reliable performance. This section explores its performance characteristics, including shift quality, durability, and efficiency.
Shift Quality
- Smooth and consistent shifts
- Adaptive shift programming
- Minimal shift shock
Durability
- Designed for 150,000+ miles with proper maintenance
- Robust internal components
- Heat-treated gears for longevity
Efficiency
- Optimized for fuel economy
- Lockup torque converter reduces slippage
- Efficient fluid circulation system
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Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- Transverse
- Platform
- GM FWD
- Material
- Aluminum alloy
- Location
- Front-wheel drive
Dimensions
- Length
- 21.5 in (546.1 mm)
- Width
- 14.2 in (360.7 mm)
- Height
- 10.8 in (274.3 mm)
- Weight
- 155 lbs (70.3 kg)
- input Shaft Length
- 7.6 in (193 mm)
- Output Shaft Length
- 9.3 in (236.2 mm)
- Fluid Capacity
- 7.4 quarts (7.0 liters)
Materials
- Case
- Aluminum alloy
- Gears
- Hardened steel
- Clutch Packs
- Composite friction materials
- Seals
- Viton rubber
Features
- Shift Control
-
- Electronic shift control
- Adaptive shift programming
- Manual shift mode
- Performance
-
- 4-speed automatic
- Overdrive
- Torque converter clutch
- Cooling
-
- Integrated transmission cooler
- Fluid temperature sensor
- Auxiliary cooler compatibility
- Durability
-
- Hardened steel gears
- Reinforced clutch packs
- Corrosion-resistant case
Safety Features
- Electronic Protections
-
- Overheat protection
- Shift interlock
- Mechanical Protections
-
- Pressure relief valves
- Shear pin protection
Comfort Features
- Shift Quality
-
- Smooth shift transitions
- Adaptive shift programming
- Noise Reduction
-
- Precision gear machining
- Vibration dampening
Accessories
- Cooling
-
- Auxiliary transmission cooler
- Cooler lines
- Thermostatic control
- Mounting
-
- Transmission mount
- Crossmember
- Electrical
-
- Shift solenoids
- Transmission control module
- Wiring harness
Maintenance
- Service interval
- Every 30,000 miles
- Service Items
-
- Fluid and filter replacement
- Seal inspection
- Solenoid check
- Cooler line inspection
- Mount inspection
- Notes
- Use only Dexron VI transmission fluid
Warranty
- Basic Warranty
- Miles: 36,000Years: 3Coverage: Bumper-to-bumper
- Powertrain Warranty
- Miles: 60,000Years: 5Coverage: Transmission components
- Corrosion Warranty
- Miles: 100,000Years: 6Coverage: Perforation only
- Notes
- Warranty void if improper fluid is used
Production Details
- Manufacturer
- General Motors
- Manufacturing Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% component testingCalibration: Precision alignment
- Sustainability Practices
-
- Recycled aluminum use
- Waste reduction programs
- Production Metrics
- Units Per Day: 500Defect Rate: 0.1%
Service Information for 4t65 transmission Service
Maintenance and service requirements specific to this component
- Fluid and filter replacement
- Seal inspection
- Solenoid check
- Cooler line inspection
- Mount inspection
Use only Dexron VI transmission fluid
- Transmission flush
- Clutch pack inspection
- Shift solenoid testing
- Torque converter check
Check for wear on clutch packs
- Complete transmission overhaul
- Replace all seals and gaskets
- Inspect and replace worn gears
- Test transmission control module
Major service requires specialized tools
Common Questions
Find answers to common questions about torque specifications
Q1 What are the technical specifications of the 4T65-E transmission in the 2006-2011 Buick Lucerne?
What are the technical specifications of the 4T65-E transmission in the 2006-2011 Buick Lucerne?
The 4T65-E is a 6-speed automatic transmission designed for longitudinal engine applications. It features a torque capacity of up to 265 lb-ft and is compatible with various engine options in the Buick Lucerne, including the 3.8L V6 and 4.6L V8. The transmission includes advanced features such as clutch-to-clutch shifting, a wide gear ratio spread, and adaptive shift controls for optimal performance and fuel efficiency. It is also equipped with a lock-up torque converter for improved highway fuel economy.
Q2 What are the recommended maintenance requirements for the 4T65-E transmission?
What are the recommended maintenance requirements for the 4T65-E transmission?
Regular maintenance for the 4T65-E transmission includes fluid changes every 30,000 to 60,000 miles using Dexron VI ATF. The transmission pan gasket and filter should be replaced during each fluid change. Additional recommendations include inspecting the transmission cooler lines and connections for leaks, checking the transmission mounts for wear, and ensuring proper operation of the shift linkage. Always refer to the owner's manual or service manual for specific intervals and procedures.
Q3 How do I install or replace the 4T65-E transmission in my Buick Lucerne?
How do I install or replace the 4T65-E transmission in my Buick Lucerne?
Replacing the 4T65-E transmission requires specialized tools and expertise. Start by raising the vehicle and draining the transmission fluid. Disconnect the battery, transmission cooler lines, and electrical connectors. Remove the transmission mounts and crossmember, then carefully pull the transmission straight out. Install the new transmission by reversing the steps, ensuring all connections are secure and the transmission is properly aligned. Refill with Dexron VI ATF and test drive the vehicle to ensure proper operation.
Q4 How do I troubleshoot common issues with the 4T65-E transmission?
How do I troubleshoot common issues with the 4T65-E transmission?
Common issues with the 4T65-E include slipping, erratic shifting, or delayed engagement. Start by checking the transmission fluid level and condition, as low or degraded fluid can cause these symptoms. Use an OBD-II scanner to retrieve any trouble codes, which can point to specific solenoid or sensor faults. Inspect the transmission cooler and lines for leaks or blockages, and ensure the battery and charging system are functioning properly. If issues persist, consult a certified transmission specialist for further diagnosis.
Q5 How can I optimize the performance of my 4T65-E transmission?
How can I optimize the performance of my 4T65-E transmission?
To optimize the performance of the 4T65-E transmission, ensure regular maintenance is performed, including fluid changes and filter replacements. Avoid extreme temperatures by ensuring the cooling system is functioning properly. Use the correct type of transmission fluid, Dexron VI, to maintain optimal lubrication and viscosity. Drive in a manner that avoids excessive strain, such as rapid acceleration or towing beyond the vehicle's capacity. Consider upgrading to a high-performance transmission pan or cooler for enhanced durability in high-stress 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.
Buick Lucerne 4T65-E Transmission Service Manual
Coming SoonComprehensive guide covering transmission repair, maintenance, and troubleshooting procedures.
Technical Service Bulletin - 4T65-E Transmission Updates
Coming SoonOfficial updates and repairs for known issues with the 4T65-E transmission in 2006-2011 models.
Buick Lucerne Transmission Parts Catalog
Coming SoonDetailed list of OEM and aftermarket parts for the 4T65-E transmission, including torque converters and solenoids.
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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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