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This GM OEM 4L60E transmission is remanufactured with the HIGHEST QUALITY PARTS AVAILABLE.
The GM OEM 4L60E transmission is a four-speed automatic transmission that has been in use in various General Motors vehicles from 1993 to 2021. It is designed with an all-aluminum case and extension housing, and features hydraulically-controlled planetary gear sets and electronic shift control. The transmission also includes overdrive and lock-up torque converter functions for improved efficiency and performance.
The GM 4L60E transmission has specific specifications, including gear ratios of 2.45:1 (1st), 1.45:1 (2nd), 1.00:1 (3rd), and 0.69:1 (4th), a 6-bolt hexagon bolt pattern, a transmission length of approximately 23.3 inches (593 mm), and a weight ranging from 200 to 300 pounds (91 to 136 kg). It is rated to handle up to 700 lb-ft (949 Nm) of torque, making it suitable for a wide range of applications.
Introduced in 1993, the 4L60E transmission has been utilized in various GM vehicles, including Chevrolet Silverado, GMC Sierra, Chevrolet Suburban, GMC Yukon, Chevrolet Camaro, Chevrolet Corvette, Chevrolet Impala, Chevrolet Caprice, Chevrolet Astro, GMC Safari, Pontiac Firebird, Cadillac Escalade, and others. It has undergone several updates and improvements over the years to enhance its durability, performance, and shift quality.
The GM 4L60E transmission has been a popular choice for its reliability, smooth shifting, and ability to handle high torque loads. It has been widely used in both rear-wheel drive and four-wheel drive vehicles, and has been a staple in many GM trucks, SUVs, and performance cars for nearly three decades. While newer GM transmissions have been introduced in recent years, the 4L60E remains a trusted option for many GM vehicle owners and enthusiasts, especially for older models.
– A comprehensive system correction and recalibration kit has been implemented to rectify various original equipment (OE) shortcomings, incorporating enhancements to the servos, pressure regulation system, and valve body accumulators.
– To regain hydraulic integrity, oversized pressure regulator (PR) valves are employed.
– Updates to the torque converter clutch (TCC) control valve, TCC regulator valve, and Actuator Feed Valve have been made to resolve frequent wear issues.
– The original equipment plastic 1-2 Accumulator Pistons have been replaced with upgraded aluminum versions to avert premature clutch degradation.
– A Tru-Flat stator qualification and machining process ensure optimal performance.
– Sun Shells have been upgraded to a newer, more robust design to prevent typical OE breakdowns.
– A High Energy 2-4 band is utilized for enhanced durability compared to the OE model.
– The High Energy 3-4 clutch pack has been improved, increasing from 6 to 7 clutches, to boost durability and torque handling capacity.
– The pump is thoroughly remanufactured, featuring new line bore bushings to stop leaks and ensure outstanding flow and durability.
– The torque converter has been fully remanufactured and enhanced, undergoing testing for leaks, lockup, concentricity, and balance. These improvements surpass OE specifications and address issues like front seal leaks, premature bushing wear, and vibration.
– Brand new, custom-spec bushings have been introduced to better regulate internal fluid flow and pressure.
– Each transmission undergoes rigorous testing under both cold and hot conditions using a specialized dynamometer testing program, which includes the use of fully synthetic automatic transmission fluid and an advanced filtration system.
The GM OEM 4L60E transmission has been used in various car models and years between 1993 and 2021. Here is a list of some of the commonly known models that have used the 4L60E transmission during this time period:
Please note that this is not an exhaustive list, as the 4L60E transmission has been used in various other GM models over the years. It’s always recommended to consult the vehicle’s owner’s manual or contact a GM dealership or mechanic for accurate and up-to-date information on transmission compatibility for specific vehicle models and years.
