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GM 4L60-E transmission

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GM 4L60-E transmission Manufacturer General Motors Production

1992–

Predecessor

Turbo-Hydramatic

Class

4-speed longitudinal automatic transmission

The 4L60-E (and similar 4L65-E) is a series of automatic transmissions 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: 1

2

3

4

R

3.06 1.63 1.00 0.70 2.29

4L60-E The THM700 was renamed "4L60" (RPO 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 production 4L60-Es look similar to non-electronic 4L60s (including the 700R4) with the absence of a governor and throttle valve cable; an electronic plug was 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. Applications: • • • • • • • • • • • •

Buick Rainier Buick Roadmaster 1994–1996 Cadillac Escalade Cadillac Brougham 1991-1992 Cadillac Fleetwood 1994–1996 Chevrolet Astro Chevrolet Avalanche 2002-2008 Chevrolet Blazer Chevrolet Camaro 1994–2002 (1990-1993 has the non-electronic model 4L60) Chevrolet Caprice 1994-96 Chevrolet Colorado Chevrolet Corvette 1993–2004 (1993 has the non-electronic model)

• Chevrolet Express • Chevrolet Impala SS 1994–1996 • Chevrolet S-10

GM 4L60-E transmission • • • • • • • • • • • • • • • • •

Chevrolet Silverado 1500-2500 Chevrolet SSR Chevrolet Suburban Chevrolet Tahoe Chevrolet TrailBlazer GMC Canyon GMC Envoy GMC Safari GMC Savana GMC Sierra 1500-2500 GMC Sonoma GMC Yukon GMC Yukon XL Denali GMC vandura 1993-up Holden Commodore (VR, VS, VT, VX, VY, VZ, VE) 1993–present Holden Statesman (VR, VS, WH, WK and WL) 1994–2006 Hummer H2

• Pontiac Firebird 1994–2002 (1993 has the non-electronic model 4L60) • Pontiac GTO 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 Escalade Cadillac Escalade EXT Chevrolet Silverado 1500-2500 GMC Sierra 1500-2500 GMC Sierra Denali Holden Crewman 2003–present VZ Holden Adventra 2005–2007 2005–2006 Pontiac GTO (M32, 3.46:1 final drive)

See also • List of GM transmissions

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Article Sources and Contributors

Article Sources and Contributors GM 4L60-E transmission  Source: http://en.wikipedia.org/w/index.php?oldid=374967579  Contributors: Bollinger, Brossow, Flint117, Geognerd, Halmstad, MatthewRiche, OSX, Philip Trueman, Ridge Runner, Sfoskett, SquidSpit, TransMech, VectorD, Wjcollier07, Zchris87v, 27 anonymous edits

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