For 1990-2009 cars

Name | Hydra-Matic® 4T40-E/4T45-E
--- | ---
RPO Codes | MN4 - 4T40-E MN5 - 4T45-E
Production Location | Windsor, Ontario, Canada
Vehicle Platform Engine/Transmission Usage | J, N
Transmission Drive | Transverse Mounted Front Wheel Drive
Maximum Engine Torque | 4T40-E 270 N·m (200 lb ft) 4T45-E 290 N·m (215 lb ft)
Maximum Shift Speed | 1-2 6,500 RPM 2-3 6,500 RPM 3-4 6,500 RPM
1st Gear Ratio | 2.960:1
2nd Gear Ratio | 1.626:1
3rd Gear Ratio | 1.000:1
4th Gear Ratio | 0.681:1
Reverse | 2.143:1
Torque Converter Size - Diameter of Torque Converter Turbine | 245 mm
Pressure Taps | Line Pressure
Transmission Fluid Type | DEXRON® III
Transmission Fluid Capacity - Approximate | Bottom Pan Removal: 6.5 L (6.9 qts) Complete Overhaul: 9.0 L (9.5 qts) Dry: 12.2 L (12.9 qts)
Transmission Type: 4 | Four Forward Gears
Transmission Type: T | Transverse Mount
Transmission Type: 40 | Product Series
Transmission Type: E | Electronic Controls
Position Quadrant | P, R, N, Overdrive, 3, 2, 1
Case Material | Die Cast Aluminum
Transmission Weight Dry | 4T40-E 74.7 kg (164 lbs) 4T45-E 75.1 kg (165.6 lbs)
Transmission Weight Wet | 4T40-E 85.0 kg (187 lbs) 4T45-E 85.5 kg (188.5 lbs)
Maximum Trailer Towing Capacity | 487 kg (1,000 lbs)
Maximum Gross Vehicle Weight (GVW) | 1,826 kg (4,100 lbs)
Ratios
Chain | Final Drive | Effective - Overall
32/38 | 3.29 | 3.91
32/38 | 3.05 | 3.63
35/35 | 3.29 | 3.29
35/35 | 3.05 | 3.42
33/37 | 3.29 | 3.69
33/37 | 3.05 | 3.42