Reasons to Upgrade/Rebuild the 4L60E TransmissionĪutomatic and manual transmission upgrades can do a lot of good for your vehicle. Performance and fuel efficiency were significantly improved using a computer that could readily interpret data obtained from speed sensors and swiftly decide the most appropriate period to shift gears using solenoids. GM focused on taking off the reliance on hydraulic pressure in order to make gear changes. 4L60E versions with the large cooling circuit or deep pan require up to 14 quarts. ![]() Fluid capacity: 8.4 quarts (9.64-inch torque converter), 11.4 quarts (11.81-inch torque converter).The basic specs of the 4L60E transmission are as follows: The PCM could achieve up to 4 distinct gear ratios by turning them on and off in pre-set patterns.īut they were soon changed to 1-2 Shift Solenoid and 2-3 Shift Solenoid in order to comply with OBDII regulations. ![]() They were known as Shift Solenoid A and Shift Solenoid B in early versions of the transmission. The 4L60E transmission uses 2 shift solenoids which are utilized for actuating gear changes. This was used extensively in several tire scorchers like: General Motors produced high-performance versions of the 4L60E transmission. It is capable of efficiently transmitting highly impressive power from performance car and truck applications. The 4L60E transmission has remarkable strength and is currently the darling of the ever-evolving transmission building aftermarket.
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