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 🢒 Transmission Overheats at WOT

Transmission Overheats at WOT for Chevrolet Chevrolet W-Series Commercial W4 (W3500/W4500) 2006

Checks

Cause

Converter Limit Valve Bypass Orificed Cup Plug

The plug is blocked, therefore the converter limit valve is stuck closed.