GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2006 🢒 Chevrolet W-Series Commercial W4 (W3500/W4500) 🢒 Transmission/Transaxle 🢒 Automatic Transmission - 4L80-E/4L85-E 🢒 Soft Shift 2 to 1

Soft Shift 2 to 1 for Chevrolet Chevrolet W-Series Commercial W4 (W3500/W4500) 2006

Soft Shift -- Second to First

Checks

Cause

Center Support Springs (635)

Not acting

Retainer Ring (634)

Not seated

Center Support (640)

Blocked air bleed