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 🢒 Third Gear Starts

Third Gear Starts for Chevrolet Chevrolet W-Series Commercial W4 (W3500/W4500) 2006

Third Gear Starts

Checks

Cause

Forward Clutch Components

  • Driving Hub (615)

Plugged holes

  • Plates (610, 611)

Seized

Direct Clutch Components

  • Piston (619)

Jammed

  • Spring Assembly (607)

Jammed

  • Lube Feed Hole

Blocked