GM Service Manual Online
For 1990-2009 cars only

Name

Hydra-Matic® 4T45-E

RPO Codes

MN5

Production Location

Windsor, Ontario, Canada

Vehicle Platform

Engine/Transmission

Usage

A

Transmission Drive

Transverse Mounted Front Wheel Drive

Maximum Engine Torque

270 N·m (200 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®VI

Transmission Fluid Capacity - Approximate

Bottom Pan Removal: 6.6 L (7.0 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: 45

Product Series

Transmission Type: E

Electronic Controls

Position Quadrant

P, R, N, Overdrive, D, I, L

Case Material

Die Cast Aluminum

Transmission Weight Dry

74.7 kg (164 lbs)

Transmission Weight Wet

85.0 kg (187 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