Design and Construction:
The 4T65E is a four-speed automatic transmission with electronic controls (hence the "E" designation).
It features a sturdy construction with components designed to withstand the stresses of everyday driving and occasional towing or hauling.
The transmission utilizes a series of hydraulic circuits and solenoids to control gear shifts, ensuring smooth and efficient operation.
Applications:
The 4T65E transmission has been employed in various GM vehicles, including Buick, Chevrolet, Pontiac, and Oldsmobile models.
It is commonly found in mid-sized and larger vehicles due to its ability to handle moderate levels of torque.
Performance:
While not as sporty or performance-oriented as some other transmissions, the 4T65E provides reliable and consistent performance for daily driving.
Its smooth shifting and predictable behavior make it well-suited for commuting and highway cruising.
Hydra-Matic 4T65-E Specifications
Name |
Hydra-matic 4T65-E |
RPO Codes |
M15/MN3/MN7/M76 |
Production Location |
Warren, MI |
Vehicle Platform
(Engine/Transmission) Usage |
C, H, W, G, U, B |
Transaxle Drive |
Transverse Mounted Front Wheel Drive |
1st Gear Ratio |
2.921:1 |
2nd Gear Ratio |
1.568:1 |
3rd Gear Ratio |
1.000:1 |
4th Gear Ratio |
0.705:1 |
Reverse |
2.385:1 |
Torque Converter Size (Diameter of
Torque Converter Turbine) |
245 mm (M15) 258 mm (MN3/MN7) 245 mm,
258 mm (M76) |
Pressure Taps |
Line Pressure |
Transaxle Fluid Type |
Dexron™ III |
Transaxle Fluid Capacity
(Approximate) |
Bottom Pan Removal: 7.0 L (7.4 qts)
Complete Overhaul: 9.5 L (10.0 qts)
Dry: 12.7 L (13.4 qts) |
Transaxle Type: 4 |
Four Forward Gears |
Transaxle Type: T |
Transverse Mount |
Transaxle Type: 65 |
Product Series |
Transaxle Type: E |
Electronic Controls |
Chain Ratios (Designates Number of
Teeth on the Drive/Driven Sprockets) |
35/35 37/33 |
Final Drive Ratios |
2.86, 3.05, 3.29 |
Overall Final Drive Ratios |
2.86, 3.05, 2.93, 3.29 |
Position Quadrant |
P, R, N, D, 3, 2, 1 or P, R, N, OD,
2, 1 |
Case Material |
Die Cast Aluminum |
Transaxle Weight Dry |
87.9 kg (194.2 lbs) |
Transaxle Weight Wet |
97.0 kg (214.4 lbs) |
Maximum Trailer Towing Capacity |
907 kg (2000 lbs) |
Maximum Gross Vehicle Weight (GVW) |
2903 kg (6,400 lbs) |
Used 4T65E Transmission for Sale:
For individuals in need of a replacement transmission or looking to rebuild a vehicle, used 4T65E transmissions offer a cost-effective solution.
These transmissions can often be sourced from salvage yards, online marketplaces, specialty auto shops, and classified ads.
When considering a used 4T65E transmission for sale, it's essential to assess its condition thoroughly, including mileage, maintenance history, and any signs of wear or damage.
Choosing a reputable seller or supplier can help ensure the quality and reliability of the used transmissions.
Maintenance and Service:
Proper maintenance is key to extending the lifespan of a used 4T65E transmission.
Regular fluid changes, filter replacements, and inspections are recommended to prevent premature wear and ensure smooth operation.
Rebuilding or servicing a 4T65E transmission should be entrusted to experienced mechanics familiar with its design and specifications.
Aftermarket Support:
While not as extensive as some other transmissions, there is still aftermarket support available for the 4T65E.
Upgrades such as improved shift kits, reinforced components, and performance torque converters can enhance the transmission's durability and performance.
In summary, the 4T65E transmission remains a reliable and versatile option for a wide range of vehicles. Whether you're in need of a replacement transmission or seeking to enhance the performance of your existing one, exploring the options for used 4T65E transmissions for sale can provide a cost-effective solution. With proper maintenance and care, a used 4T65E transmission can continue to deliver reliable performance for miles to come.
Most Common Remanufactured Transmission Codes