GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2007 🢒 Sierra Classic - 4WD 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E/4L85-E 🢒 Shift Solenoid Valve State and Gear Ratio

Shift Solenoid Valve State and Gear Ratio; 4L80-E

Gear

1-2 SS Valve

2-3 SS Valve

Gear Ratio

1

ON

OFF

2.48:1

2

OFF

OFF

1.48:1

3

OFF

ON

1.00:1

4

ON

ON

0.75:1

R

ON

OFF

2.08:1