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 🢒 Harsh Shift 3 to 4

Harsh Shift 3 to 4 for Chevrolet Chevrolet W-Series Commercial W4 (W3500/W4500) 2006

Harsh Shifts - Third to Fourth

Checks

Cause

Spring Assembly (532)

Not compressing evenly

Air Bleed Orifice 4th Clutch Housing (530)

Plugged