GM 4T40 Transmission - 4T45

4T45

The "MN5" 4T45E is able to handle vehicles up to 4,500 lb (2,041 kg) GVWR. Final drive ratios include 3.63, 3.29, 3.05, and 3.91. This same transmission is used in the Saturn Vue Green Line hybrid vehicle with the addition of an auxiliary oil pump and hybrid-aware electronics. It is designed for 3.0–3.5 L engines producing up to 205 ft·lbf (278 N·m) of torque, but was also commonly mated to some versions of GM's 4-cylinder Ecotec line.

Gear ratios:

Applications:

• 3.63:1
  • 2005-2010 Chevrolet Cobalt
  • 2005-2010 Pontiac Pursuit
  • Pontiac Grand Am
  • 2005-2007 Saturn Ion
  • Saturn Vue
  • Chevrolet Malibu 2.2
• 3.05:1
  • Oldsmobile Alero 3.4
  • Chevrolet Malibu 3.5
  • Chevrolet Malibu Maxx 3.5
  • Pontiac G6 V6
• 3.29:1
  • Pontiac G6 GT
  • Pontiac Grand Am GT & GT1
• 3.91:1
  • Pontiac G6 base