GM Service Manual Online
For 1990-2009 cars only

Name

Hydra-Matic® 4L80-E

RPO Codes

MT1

Production Location

Ypsilanti, MI

Vehicle Platform - Engine/Transmission - Usage

C/K, C/K 800, G, P32/42

Transmission Drive

Longitudinally Mounted Rear Wheel Drive

1st Gear Ratio

2.482:1

2nd Gear Ratio

1.482:1

3rd Gear Ratio

1.000:1

4th Gear Ratio

0.750:1

Reverse

2.077:1

Torque Converter Size - Diameter of Torque Converter Turbine

310 mm

Pressure Taps

Line Pressure

Transmission Fluid Type

DEXRON® III

Transmission Fluid Capacity - Approximate

Bottom Pan Removal: 7.3 L (7.7 qts)

Dry: 12.8 L (13.5 qts)

Transmission Type: 4

Four Forward Gears

Transmission Type: L

Longitudinal Mount

Transmission Type: 80

Product Series

Transmission Type: E

Electronic Controls

Position Quadrant

P, R, N, Overdrive, D, 2, 1

Case Material

Die Cast Aluminum

Transmission Weight Dry

107 kg (236 lbs)

Transmission Weight Wet

118 kg (260 lbs)

Maximum Trailer Towing Capacity

9 525 kg (21,000 lbs)

Maximum Gross Vehicle Weight (GVW)

7 258 kg (16,000 lbs)