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Home >> GMC >> 2004 >> Yukon Denali >> Repair and Diagnosis >> External Pages >> Different car >> Section 417 (Automatic Transmission - 4L80-E/4L85-E (Troubleshooting)) >> Troubleshooting >> Forward Motion in Neutral

Forward Motion in Neutral

WARNING: This page is about a different car, the 2004 GMC Yukon XL, 2004 Chevrolet Suburban, and 2004 Chevrolet Avalanche. However, it is still accessible from the selected car via links, so may be relevant.
Forward Motion in Neutral

Checks Cause
Manual Valve (319) Valve is mispositioned or stuck.
Forward Clutch Springs (607) Jammed
Forward Clutch Piston (606) Jammed
Forward Clutch Plates (610, 611) Seized or jammed
Forward Clutch Housing (602) The hole is plugged.
Hub (613) The holes are plugged.