Pontiac Pontiac Grand Am 1992-1998 4T60 Transmission Specifications
This document provides detailed technical specifications for the 4T60 transmission used in the 1992-1998 Pontiac Grand Am. It includes essential data such as gear ratios, torque capacity, fluid type, and maintenance intervals. These specifications are crucial for owners, mechanics, and enthusiasts to understand the transmission's performance, ensure proper maintenance, and identify compatibility for repairs or upgrades. The information is sourced from official service manuals and technical guides, offering reliable and accurate insights. Whether you're diagnosing issues, planning a rebuild, or exploring performance enhancements, this comprehensive overview serves as an invaluable resource.
Overview Specifications
This document provides detailed specifications and technical information about the 4T60 transmission used in the 1992-1998 Pontiac Grand-Am. It is designed to assist mechanics, enthusiasts, and owners in understanding the transmission's features, maintenance, and performance. Use this guide to navigate through sections, search for specific details, and reference key specifications quickly. Each section is organized for easy access to information, ensuring you can find what you need efficiently.
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Navigate through the document by scrolling through sections or using the table of contents. Each section is labeled clearly, and subsections provide detailed technical points for easy reference.
Key Specifications
Transmission Type
4-speed automatic
Maximum Torque
265 lb-ft
Compatible Engines
3.1L, 3.4L V6
Fluid Type
Dexron III
Overdrive Gear
Yes
Available Specifications
General Specifications
This section covers the fundamental specifications of the 4T60 transmission, including its design, compatibility, and primary features. It provides a comprehensive overview of the transmission's capabilities and intended use in the Pontiac Grand-Am.
General Specifications
This section covers the fundamental specifications of the 4T60 transmission, including its design, compatibility, and primary features. It provides a comprehensive overview of the transmission's capabilities and intended use in the Pontiac Grand-Am.
Design and Compatibility
- 4-speed automatic transmission
- Designed for front-wheel-drive vehicles
- Compatible with 3.1L and 3.4L V6 engines
- Hydraulic control system
- Integrated torque converter
- Electronically controlled shift points
Primary Features
- Overdrive for improved fuel efficiency
- Lock-up torque converter for reduced slippage
- Durable cast aluminum case
- Self-adjusting bands for consistent performance
- Adaptive shift strategy for varying driving conditions
Performance and Maintenance
This section focuses on the performance characteristics of the 4T60 transmission and provides guidelines for maintenance. It includes details on fluid requirements, common issues, and tips for ensuring long-term reliability.
Performance and Maintenance
This section focuses on the performance characteristics of the 4T60 transmission and provides guidelines for maintenance. It includes details on fluid requirements, common issues, and tips for ensuring long-term reliability.
Performance Characteristics
- Maximum torque capacity: 265 lb-ft
- Smooth and responsive shifting
- Optimized for both city and highway driving
- Enhanced durability under heavy loads
- Efficient heat dissipation system
Maintenance Guidelines
- Use Dexron III automatic transmission fluid
- Regular fluid changes every 30,000 miles
- Inspect seals and gaskets for leaks
- Check for worn bands and clutches
- Ensure proper shift cable adjustment
Common Issues and Troubleshooting
This section addresses common problems associated with the 4T60 transmission and provides troubleshooting tips. It helps identify symptoms, diagnose issues, and implement effective solutions.
Common Issues and Troubleshooting
This section addresses common problems associated with the 4T60 transmission and provides troubleshooting tips. It helps identify symptoms, diagnose issues, and implement effective solutions.
Common Problems
- Delayed or harsh shifting
- Transmission slipping under load
- Fluid leaks from seals or gaskets
- Overheating during prolonged use
- Check engine light due to transmission codes
Troubleshooting Tips
- Check fluid level and condition
- Inspect shift solenoids for proper operation
- Test pressure control system
- Scan for diagnostic trouble codes
- Replace worn components promptly
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Transmission Specifications
Overview
- Type
- Automatic
- Configuration
- 4-Speed
- Platform
- GM A-body
- Material
- Cast Aluminum
- Location
- Front-Wheel Drive
Dimensions
- Length
- 26.5 inches (673 mm)
- Width
- 18.2 inches (462 mm)
- Height
- 14.8 inches (376 mm)
- Weight
- 135 lbs (61.2 kg)
- input Shaft Diameter
- 0.75 inches (19 mm)
- Output Shaft Diameter
- 0.875 inches (22.2 mm)
- Fluid Capacity
- 11 quarts (10.4 liters)
Materials
- Case
- Cast Aluminum
- Gears
- Hardened Steel
- Clutches
- Composite Friction Material
- Seals
- Viton Rubber
Features
- Shift Control
-
- Electronic Shift Control
- Adaptive Shift Logic
- Manual Mode Override
- Performance
-
- Wide Gear Ratios
- Torque Converter Lockup
- Smooth Shift Quality
- Durability
-
- Hardened Steel Gears
- High-Capacity Cooler
- Reinforced Clutches
- Efficiency
-
- Low Fluid Drag
- Optimized Gear Ratios
- Reduced Parasitic Losses
- integration
-
- GM Powertrain Compatibility
- Integrated Sensors
- Vehicle-Specific Calibration
Safety Features
- Fail Safe
-
- Limp-Home Mode
- Overheat Protection
- Monitoring
-
- Fluid Level Sensor
- Temperature Sensor
- Mechanical
-
- Reinforced Housing
- Shear-Resistant Gears
Comfort Features
- Shift Quality
-
- Smooth Transitions
- Reduced Noise
- Adaptive Shift Timing
- Drivability
-
- Seamless Acceleration
- Improved Low-Speed Response
- Consistent Performance
- Noise Reduction
-
- Isolated Mounts
- Dampened Gears
- Quiet Operation
Accessories
- Cooling
-
- Transmission Cooler
- Cooler Lines
- Thermostat
- Sensors
-
- Speed Sensor
- Temperature Sensor
- Pressure Sensor
- Mounts
-
- Transmission Mount
- Bracket Kit
- Isolators
Maintenance
- interval
- Every 30,000 miles or 24 months
- Items
-
- Fluid and Filter Replacement
- Pan Gasket Inspection
- Seal Condition Check
- Shift Linkage Adjustment
- Cooler Line Inspection
- Notes
- Use Dexron III or compatible fluid only.
Warranty
- Basic
- Miles: 36,000Years: 3Coverage: Limited
- Powertrain
- Miles: 60,000Years: 5Coverage: Major Components
- Corrosion
- Miles: 100,000Years: 6Coverage: Perforation Only
- Emissions
- Miles: 50,000Years: 4Coverage: Federal Requirements
Production Details
- Manufacturer
- General Motors
- Process
-
- Casting
- Machining
- Assembly
- Testing
- Quality Control
- inspection: 100% Component TestingCalibration: Dynamic BalancingValidation: Durability Testing
- Sustainability
-
- Recycled Materials
- Efficient Manufacturing
- Waste Reduction
- Metrics
- Annual Production: 500,000 unitsDefect Rate: <0.1%Lead Time: 14 days
Service Information for 4t60 transmission Service
Maintenance and service requirements specific to this component
- Fluid and Filter Replacement
- Pan Gasket Inspection
- Seal Condition Check
- Shift Linkage Adjustment
- Cooler Line Inspection
Use Dexron III or compatible fluid only.
- Fluid and Filter Replacement
- Transmission Cooler Flush
- Seal Replacement
- Shift Solenoid Testing
- Torque Converter Inspection
Check for signs of wear or leaks.
- Complete Fluid Flush
- Clutch Pack Inspection
- Valve Body Overhaul
- Bearing Replacement
- Performance Testing
Major service may require specialist tools.
Common Questions
Find answers to common questions about torque specifications
Q1 Is the 4T60-E transmission compatible with other Pontiac models?
Is the 4T60-E transmission compatible with other Pontiac models?
The 4T60-E transmission, used in the 1992-1998 Pontiac Grand-Am, is compatible with several GM vehicles from the same era, including the Buick Regal, Oldsmobile Cutlass Supreme, and Chevrolet Lumina. It features a 4-speed automatic design with electronic controls. However, compatibility depends on engine type, drivetrain configuration, and vehicle-specific adaptations. Always verify with a trusted mechanic or GM technical resources before attempting cross-vehicle installation.
Q2 What are the maintenance requirements for the 4T60-E transmission?
What are the maintenance requirements for the 4T60-E transmission?
The 4T60-E transmission requires regular maintenance to ensure longevity. This includes changing the transmission fluid and filter every 30,000 to 50,000 miles, checking for leaks, and inspecting the transmission mount and linkage. Use only Dexron III or equivalent fluid. Additionally, monitor the transmission's electronic control system for error codes and ensure the cooling system functions properly to prevent overheating.
Q3 How do I replace the 4T60-E transmission in a Pontiac Grand-Am?
How do I replace the 4T60-E transmission in a Pontiac Grand-Am?
To replace the 4T60-E transmission, first disconnect the battery and remove the driveshaft. Drain the transmission fluid and disconnect all electrical connectors, shift linkage, and cooling lines. Support the engine with a jack, then remove the transmission crossmember and bellhousing bolts. Carefully lower the transmission using a transmission jack. Installation is the reverse process, ensuring proper alignment and torque specifications for all bolts. Refill with recommended fluid and test for leaks.
Q4 What are common troubleshooting steps for the 4T60-E transmission?
What are common troubleshooting steps for the 4T60-E transmission?
Common issues with the 4T60-E include slipping gears, delayed engagement, and harsh shifting. Start by checking the transmission fluid level and condition. Inspect for error codes using an OBD-I scanner. Test the solenoid pack, pressure control solenoid, and torque converter clutch. Verify the throttle valve cable adjustment and ensure the cooling system is functioning properly. If problems persist, consult a professional technician.
Q5 How can I optimize the performance of the 4T60-E transmission?
How can I optimize the performance of the 4T60-E transmission?
To optimize performance, use high-quality Dexron III transmission fluid and replace the filter regularly. Upgrade the transmission cooler to improve heat dissipation. Adjust the throttle valve cable for precise shifting and consider reprogramming the transmission control module for enhanced performance. Regular inspections and timely repairs of worn components like the torque converter and solenoids will also maintain optimal functionality.
Factory Service Resources
Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.
1992-1998 Pontiac Grand-Am Service Manual
Coming SoonThis manual provides detailed repair and maintenance instructions for the Pontiac Grand-Am, including the 4T60-E transmission.
GM Technical Service Bulletin 96-07-30-001
Coming SoonThis bulletin addresses common issues and updates for the 4T60-E transmission, including shift quality and solenoid operation.
4T60-E Transmission Parts Catalog
Coming SoonThis catalog lists all components and accessories for the 4T60-E transmission, including part numbers and compatibility details.
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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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