GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Chevrolet W-Series Commercial W4 (W3500/W4500) 🢒 Transmission 🢒 Automatic Transmission - 4L80-E/4L85-E 🢒 Soft Shift D3 to D2

Soft Shift -- Drive Third to Drive Second

Checks

Cause

Ball Check

Missing

Orifices

Incorrect sizes