GM 5L40-E transmission

GM 5L40-E transmission

Infobox Automobile
name=5L40-E/5L50
production=2004
manufacturer=General Motors
class=5-speed longitudinal automatic transmission
predecessor=4L30-E
4L60-E/4L65-E
successor=6L50
similar=Chrysler 545RFE
Ford 5R55E
ZF 6HP26
The 5L40-E (and similar 5L50) are a series of automatic transmissions from General Motors. Designed for longitudinal engine configurations, the series includes 5 forward gears and is used in the GM Sigma platform vehicles from Cadillac, as well as the Pontiac Solstice and Holden Commodore.

The electronically controlled transmission includes an automatic overdrive with a torque converter clutch. It is assembled in Strasbourg, France.

The 5L40/50 series was replaced in 2007 with the 6L50 six-speed.

5L40-E

The 5L40-E is available in either "M82" (rear-wheel drive) or "MX5" (all-wheel drive) versions. It is able to handle vehicles up to 4000 lb (1814 kg) GVWR. The final drive ratio is 3.42:1, 3.73:1, or 3.91:1. The 5L40-E is designed for 1.8–3.6 L engines with a maximum of 250 ft·lbf (340 N·m) of torque.

Gear ratios:

Applications:
* 3.42:1 M82
** 2004–2006 Cadillac CTS RWD
** 2005–2006 Cadillac STS RWD
* 3.73:1 M82
** 2004–2006 Cadillac SRX RWD
* 3.91:1 M82
** 2006 Pontiac Solstice
** 2007 Saturn Sky
* 2.92:1 M82
** 2004–2006 Holden WL Statesman RWD
** 2004–2006 Holden VZ Commodore RWD
** 2006- Holden VE Commodore RWD
** 2008- Pontiac G8
* 3.42:1 MX5
** 2004–2006 Cadillac CTS AWD
** 2004–2006 Cadillac STS AWD
* 3.91:1 MX5
** 2004–2006 Cadillac SRX AWD

5L50

The 5L50 is able to handle vehicles up to 5000 lb (2268 kg) GVWR. Final drive ratios include 2.93:1 and 3.23:1. The 5L50 can handle up to 311 ft·lbf (422 N·m) of torque.

Gear ratios:

Applications:
* 2.93:1 M22
** 2004–2006 Cadillac XLR
* 3.23:1 MV3/M22
** 2005–2006 Cadillac STS
** 2004–2006 Cadillac SRX

ee also

* List of GM transmissions

Other links

* [http://www.cadillac.com/cadillacjsp/model/gallery.jsp?model=cts/ Cadillac CTS Homepage]
* [http://www.caddyinfo.com/ Caddyinfo.com] - Cadillac Discussion Forum, How-To, and Technical Information


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