GM 5L40-E transmission

5L40-E/5L50

Manufacturer	General Motors
Production	1998–2007
Predecessor	4L30-E 4L60-E/4L65-E
Successor	6L50
Class	5-speed longitudinal automatic transmission

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 engineered to handle the stresses from 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. This transmission is very known for failing between 150,000km and 200,000km in the 5 series E39 and X5 BMW'S and BMW will not repair this type of transmission, only offering replacement at a high price.^{[citation needed]}

Gear ratios:

1	2	3	4	5	R
3.42	2.21	1.60	1.00	0.75	3.02

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/Caprice (RWD)

• • 2004–2006 Holden VZ Commodore (RWD)

• • 2005–2009 Chevrolet Omega (RWD)

• • 2006–2009 Holden VE Commodore (RWD)

• • 2008–2009 Pontiac G8 (RWD)

• 3.42:1 MX5

• • 2004–2006 Cadillac CTS (AWD)

• • 2004–2006 Cadillac STS (AWD)

• 3.91:1 MX5

• • 2004–2006 Cadillac SRX (AWD)
• BMW 3 Series (E46)

• BMW 5 Series (E39)

• BMW Z3

• BMW X5 (E53)

5L50

The 5L50 is engineered to handle the stresses from vehicles weighing 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:

1	2	3	4	5	R
3.42	2.21	1.60	1.00	0.75	3.02

Applications:

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

See also

• List of GM transmissions

holden commodore 2004-05 vz sv6 190kw (255hp)dohc

Other links

• Cadillac CTS Homepage
• Caddyinfo.com - Cadillac Discussion Forum, How-To, and Technical Information