1997 GMC Truck disengages from gear in reverse

1997 GMC TRUCK
184,000 MILES • V8 • 4WD • AUTOMATIC
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CHARLIE5
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when backing up on a steep incline or too quickly in reverse, the truck will pop out of gear and grind. i replaced all bearings in rear differential and the pinion bearing. ring gear appears to be fine. u-joints are new too. is this a transmission problem?
Nov 23, 2008 at 9:18 AM
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