GM Service Manual Online
For 1990-2009 cars only

Line Pressure (4L30-E)

Transmission Mode

Selector Lever Position

Main Pressure (Pressure Gauge)

Pressure Control Solenoid Current (Amp)

Mode vs Pressure at Idle Speed

Economy/Sport

D, 3, 2, 1

450-750 kPa

570-770 mA

Winter

D

450-750 kPa

570-770 mA

Economy/Sport

R

300-400 kPa

1008 mA

Mode vs Pressure at Stall Speed

Economy/Sport

D, 3, 2, 1

1150-1300 kPa

115-170 mA

Winter

D

1150-1300 kPa

115-170 mA

Economy/Sport

R

1170-1350 kPa

290-320 mA