GM Service Manual Online
For 1990-2009 cars only

Transmission General Specifications

Description

Hydra-Matic 4L60-E

Hydra-Matic 4L65-E

RPO Codes

M30

M32

Vehicle Platform (Engine/Transmission) Usage

LE0, LW2/M30

L98/M32

Transmission Drive

Longitudinally-Mounted Rear Wheel Drive

1st Gear Ratio

3.059:1

2nd Gear Ratio

1.625:1

3rd Gear Ratio

1.000:1

4th Gear Ratio

0.696:1

Reverse

2.294:1

Torque Converter Size (Diameter of Torque Converter Turbine)

258 mm (10.6 inch)

300 mm (11.81 inch)

Pressure Taps

Line Pressure

Transmission Fluid Type

DEXRON® VI

Transmission Type: 4

Four Forward Gears

Transmission Type: L

Longitudinal Mount

Transmission Type: 60/ 65

Product Series

Transmission Type: E

Electronic Controls

Position Quadrant

P, R, N, D ,3, 2, 1

Case Material

Die Cast Aluminum

Transmission Weight Dry (Approximate)

258 mm Converter

71.6 kg (157.9 lb)

300 mm Converter

79.0 kg (174.2 lb)

Transmission Weight Wet (Approximate)

258 mm Converter

78.8 kg (173.7 lb)

300 mm Converter

88.3 kg (194.7 lb)