I have 96 GMC SUB 4x4. In reverse, under load, it pops out of gear. If you are just at idle backing up, it is okay. Forward is fine, shifts smooth, no hesitation. I have heard it is a sensor or it has something to do with the Sprag Clutch. Any ideas?
Last edited by sydnat; 08-25-2009 at 11:50 AM. Reason: more information
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