GM Service Manual Online
For 1990-2009 cars only

Name

6L80

RPO Codes

MYC

Transmission Drive

Rear Wheel Drive

1st Gear Ratio

4.027

2nd Gear Ratio

2.364

3rd Gear Ratio

1.532

4th Gear Ratio

1.152

5th Gear Ratio

0.852

6th Gear Ratio

0.667

Reverse

3.064

Torque Converter Size - Diameter of Torque Converter Turbine

300 mm

Pressure Taps

Line Pressure

Transmission Fluid Type

DEXRON VI®

Transmission Fluid Capacity

11.7 L (12.4 qt)

Transmission Type: 6

Six Forward Gears

Transmission Type: L

Longitude Mount

Transmission Type: 80

Product Series

Position Quadrant

P, R, N, D, +/-

Case Material

Die Cast Aluminium

Transmission Net Weight (Approximate)

103.5 kg (228 lb.)

Maximum Trailer Towing Capacity

Refer to applicable owner's manual