Transmission General Specifications

2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Transmission General Specifications
WARNING: This page is about a different car, the 2005 Saturn L300. However, it is still accessible from the selected car via links, so may be relevant.
Transmission General Specifications

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, Z, Z SUV
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 (Circle D), 3, 2, 1
Case Material Die Cast Aluminum
Transmission Weight Dry 4T40-E 74.7 kg (164 lb)
4T45-E 75.1 kg (165.6 lb)
Transmission Weight Wet 4T40-E 85.0 kg (187 lb)
4T45-E 85.5 kg (188.5 lb)
Maximum Trailer Towing Capacity 487 kg (1,000 lb)
Maximum Gross Vehicle Weight (GVW) 1,826 kg (4,100 lb)
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
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.