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Home >> Hummer >> 2008 >> H2 4D Utility Wagon >> Repair and Diagnosis >> External Pages >> Different car >> Section 154 (Automatic Transmission - 4L80-E/4L85-E - Service, Diagnosis & Troubleshooting) >> Forward Motion in Neutral

Forward Motion in Neutral

WARNING: This page is about a different car, the 2007 GMC Yukon XL and 2007 Chevrolet Suburban. 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.