GM Service Manual Online
For 1990-2009 cars only

Transmission General Specifications (4T80-E)

Name

Hydra-Matic 4T80-E

RPO Codes

MH1

Production Location

Willow Run, Ypsilanti, MI

Vehicle Platform, Engine/Transmission, Usage

H, Ksp

Transmission Drive

Transverse Mounted Front Wheel Drive

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

2.130:1

Torque Converter Size, Diameter of Torque Converter Turbine

265 mm

Pressure Taps

Line Pressure

Transmission Fluid Type

DEXRON® VI

Transmission Fluid Capacity, Approximate

Bottom Pan Removal: 7.0 L (7.4 qts)

Complete Overhaul: 12.0 L (12.6 qts)

Dry: 14.2 L (15.0 qts)

Transmission Type: 4

Four Forward Gears

Transmission Type: T

Transverse Mount

Transmission Type: 80

Product Series

Transmission Type: E

Electronic Controls

Chain Ratios, Designates Number of Teeth on the Drive/Driven Sprockets

39/39

Final Drive Ratios

3.11, 3.71

Position Quadrant

P, R, N, Overdrive, 3, 2, 1

Case Material

Die Cast Aluminum

Transmission Weight Dry

121 kg (266.75 lbs)

Transmission Weight Wet

133 kg (293.21 lbs)

Maximum Trailer Towing Capacity

1 361 kg (3,000 lbs)

Maximum Gross Vehicle Weight (GVW)

3 084 kg (6,800 lbs)