GM Romulus Transmission Plant, Romulus, Michigan GM Powertrain Toledo Transmission Plant, Toledo, Ohio Common applications include:ġ993 - 2000 Chevrolet/GMC C1500, C2500 (including 6.5L diesel)įor help identifying the 4L60E transmission, see ID information in section below Various GMC, Chevrolet, Buick, Cadillac, Oldsmobile, and Pontiac vehicles from 1993 - 2014. Technical publications often do not refer to the 4L65E and 4L70E specifically by model and rather use the 4L60E as an umbrella term for all three models due to the extensive similarities between the three gearboxes.Ĥ speed automatic transmission, rear wheel drive Notable differences between the 4L60E and 4L65E/4L70E are a larger 300 mm torque converter and 5 pinion (versus 4 for the 4L60E) planetary gearset. As GM's engine family evolved, their transmission lineup had to follow suit. 4L65E & 4L70E TransmissionsĪlso within the 4L60E transmission family are the models 4L65E and 4L70E, strengthened versions of the 4L60E designed for greater capabilities and more potent engine platforms, including the LS family of small block Chevy's introduced in 1997.
#4l60e transmission fluid driver
A large plug threaded into the driver side of the fluid pan is used to check the transmission fluid level and add automatic transmission fluid there is no dipstick.
These applications utilize a unique transmission fluid pan with a small sump stamped into the bottom. Removing the transmission requires dropping the rear suspension cradle the transmission and differential are removed as one assembly. Power is transmitted from the front mounted engine to the transmission by a driveshaft system called a torque tube. In lieu of a tailshaft housing, the tailshaft (output shaft) slides directly into the rear differential. The C5 Corvette (1997 - 2004) featuring the 4L60E automatic transmission is unique in that the transmission is located in the rear of the car bolted directly to the rear differential. Rather, suffix of the transmission model is as a relative input torque capacity the number does not correlate to an actual value, but an "80" designation would be a more robust unit than a "60" and a "90" designation would be stronger than an "80". Additionally, neither of these patterns fit other transmission models following the same name convention (4L65E, 4L70E, 4L80E, 4L85E, 6L50E, 6L90E, 10L80, etc). Others have suggested that the 4L60E is rated for a maximum input torque capacity of 600 ft-lbs (or even 600 N-m), but this is a far cry from the 350 ft-lbs that that the early 4L60E was rated for. There's often confusion over this new name convention some resources suggest that the 60 correlates to a maximum GVWR of 6,000 lbs, but GM's own published data identifies that the transmission is suitable for applications up to 8,600 lbs. For the 1993 model year, electronic controls were adapted to the 4L60 and the 4L60E, the "e" denoting electronic controls, was phased in.
The 700R4's 30% overdrive offered lower engine RPM at cruising speed and a significant increase in fuel mileage potential.įor 1990, GM adopted a new naming convention for their powertrain products and the designation was changed from the TH700R4 to the 4L60 4 forward speeds, longitudinal configuration, and a relative input capacity of 60. The timing was not entirely without warrant oil prices surged in the late 1970's, and fuel economy was becoming a driving force in vehicle sales. General Motors introduced the TH700R4 four speed overdrive automatic transmission in 1982 as a replacement for the direct drive TH350. Subsequent variants, the 4L65E and 4L70E, were introduced to meet greater demands in applications with higher gross vehicle weight ratings and greater input torque requirements. The transmission has been used extensively in GM products powered by V-6 and V-8 engines.
#4l60e transmission fluid full
It is a direct descendant of the TH700R4, but with the adaptation of full electronic controls. The General Motors 4L60E is a four speed automatic transmission employed in various rear wheel drive applications across GM's family of brands beginning in 1993.
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