GM 4L60-E transmission
Encyclopedia
The 4L60-E is a series of automatic transmission
s from General Motors. Designed for longitudinal engine
configurations, the series includes 4 forward gears. It is an evolution of the Turbo-Hydramatic 700R4, originally produced in 1982.
The 4L60-E and 4L65-E are built at Toledo Transmission
in Toledo, Ohio
and have also been built at Romulus Transmission in Romulus, Michigan
and Ramos Arizpe, Mexico.
The two transmissions are differentiated mainly by the number of pinion gears in their planetary gearsets: The 4L60-E has four, while the heavy-duty 4L65-E has five. Other elements of the 4L60-E design were strengthened when the 4L65-E was introduced, but these were incorporated into the 4L60-E in 2002.
Gear ratios:
M30) following the new General Motors naming convention, when the electronic version, 4L60-E, was phased in. This happened in 1993 for trucks, vans, and SUVs, and 1994 for rear wheel drive passenger cars. 1993-95 productwas positioned where the TV cable once stood. Around 1996, a bolt-on bell housing
was phased in (along with a six-bolt tailhousing) when the transmission was bolted behind an inline four cylinder or the Vortec
engine family.
The 4L60-E is rated to handle up to 360 ft·lbf (488 N·m) of torque.
The 4L60-E family of transmissions use 2 shift solenoids, initially called Shift Solenoid A & Shift Solenoid B, later changed to comply with OBD II (On Board Diagnostics revision 2) regulations to 1-2 Shift Solenoid & 2-3 Shift solenoid. By activating and deactivating the solenoids in a predetermined pattern by the PCM, 4 specific gear ratios can be achieved. The shift solenoid pattern, also sometimes referred to as solenoid firing order is as follows;
Applications:
Applications:
Automatic transmission
An automatic transmission is one type of motor vehicle transmission that can automatically change gear ratios as the vehicle moves, freeing the driver from having to shift gears manually...
s from General Motors. Designed for longitudinal engine
Longitudinal engine
In automotive engineering, a longitudinal engine is an internal combustion engine in which the crankshaft is oriented along the long axis of the vehicle, front to back....
configurations, the series includes 4 forward gears. It is an evolution of the Turbo-Hydramatic 700R4, originally produced in 1982.
The 4L60-E and 4L65-E are built at Toledo Transmission
Toledo Transmission
Toledo Transmission is a 2 million square feet; 151 acres General Motors transmission factory in Toledo, Ohio....
in Toledo, Ohio
Toledo, Ohio
Toledo is the fourth most populous city in the U.S. state of Ohio and is the county seat of Lucas County. Toledo is in northwest Ohio, on the western end of Lake Erie, and borders the State of Michigan...
and have also been built at Romulus Transmission in Romulus, Michigan
Romulus, Michigan
Romulus is a suburban city of Metro Detroit, located in Wayne County in the U.S. state of Michigan. The population was 23,989 at the 2010 census, an increase from 22,979 in 2000. Romulus is home to Detroit Metropolitan Wayne County Airport and a General Motors plant that opened in 1976...
and Ramos Arizpe, Mexico.
The two transmissions are differentiated mainly by the number of pinion gears in their planetary gearsets: The 4L60-E has four, while the heavy-duty 4L65-E has five. Other elements of the 4L60-E design were strengthened when the 4L65-E was introduced, but these were incorporated into the 4L60-E in 2002.
Gear ratios:
| 1 | 2 | 3 | 4 | R |
|---|---|---|---|---|
| 3.059 | 1.625 | 1.000 | 0.696 | 2.29 |
4L60-E
The THM700 was renamed "4L60" (RPORegular Production Option
A Regular Production Option is a General Motors standard coding for vehicle configuration options. These codes are a combination of 3 alphanumeric characters and refer to a specific option or modification to the vehicle...
M30) following the new General Motors naming convention, when the electronic version, 4L60-E, was phased in. This happened in 1993 for trucks, vans, and SUVs, and 1994 for rear wheel drive passenger cars. 1993-95 productwas positioned where the TV cable once stood. Around 1996, a bolt-on bell housing
Bell housing
"Bell housing" is a colloquial/slang term for the portion of the transmission that covers the flywheel and the clutch or torque converter of the transmission on vehicles powered by internal combustion engines. This housing is bolted to the engine block and derives its name from the bell-like...
was phased in (along with a six-bolt tailhousing) when the transmission was bolted behind an inline four cylinder or the Vortec
GM Vortec engine
Vortec is a trademarked name for a line of piston engines for General Motors trucks. The name first appeared in 1988 on a 4.3 L V6 that used "vortex technology" to create a vortex inside the combustion chamber, creating a better air/fuel mix. Now its used on a wide range of different engines...
engine family.
The 4L60-E is rated to handle up to 360 ft·lbf (488 N·m) of torque.
The 4L60-E family of transmissions use 2 shift solenoids, initially called Shift Solenoid A & Shift Solenoid B, later changed to comply with OBD II (On Board Diagnostics revision 2) regulations to 1-2 Shift Solenoid & 2-3 Shift solenoid. By activating and deactivating the solenoids in a predetermined pattern by the PCM, 4 specific gear ratios can be achieved. The shift solenoid pattern, also sometimes referred to as solenoid firing order is as follows;
| 1-2 Solenoid | 2-3 Solenoid | |
| 1st Gear | On | On |
| 2nd Gear | Off | On |
| 3rd Gear | Off | Off |
| 4th Gear | On | Off |
Applications:
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2004
4L65-E
An updated 4L60-E, the 4L65-E (RPO M32), was phased in around the 2003 model year when coupled behind the 6.0 Vortec. Five-pinion planetaries, along with a higher capacity input housing and induction hardened input shaft assembly, were improved to withstand up to 380 ft·lbf (515 N·m) of torque. A new 300mm torque converter with improved higher-capacity internals was also introduced on select engine models.Applications:
- 2005 C6 Corvette
- Cadillac EscaladeCadillac EscaladeThe Cadillac Escalade is a full-size luxury sport utility vehicle sold by the General Motors luxury brand, Cadillac. It was the division's first major entry into the popular SUV market. The Escalade was introduced for the 1999 model year in response to German and Japanese competitors and to Ford's...
- Cadillac EscaladeCadillac EscaladeThe Cadillac Escalade is a full-size luxury sport utility vehicle sold by the General Motors luxury brand, Cadillac. It was the division's first major entry into the popular SUV market. The Escalade was introduced for the 1999 model year in response to German and Japanese competitors and to Ford's...
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- GMC Sierra Denali
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