GM Service Manual Online
For 1990-2009 cars only

3T40 Shift Speed Chart

Transmission Model

OAKC

Vehicle Series

J

Engine Displacement

2.2L

Engine RPO Code

LN2

Engine VIN Code

4

Overall Axle Ratio

3.18

Final Drive Ratio

2.84

Drive/Driven Sprocket Teeth

33/37

Minimum Throttle 1-2 Upshift

11 mph

(18 km/h)

Wide Open Throttle 1-2 Upshift

41 mph

(66 km/h)

Minimum Throttle 2-3 Upshift

21 mph

(34 km/h)

Wide Open Throttle 2-3 Upshift

76 mph

(122 km/h)

Minimum TCC Apply

35

N/V Ratio

40

Torque Converter K-Factor

203

Governor Pressure Switch

N/A

Second Gear Pressure Switch

N/A

Third Gear Pressure Switch

N.O.

Direct Clutch Type

5 plate

Transmission Vent Type

Elbow

Manual Valve Thermal Element

No

    • N/A = Not Available
    • N.O. = Normally Open
    • N/V Ratio = Engine RPM to Vehicle Speed ratio in the third gear with TCC applied
    • K-Factor = Torque converter numeric rating (combines stall speed and torque multiplication ratings)