patgizz Posted December 29, 2004 Report Share Posted December 29, 2004 my mom has a 91 lumina with a 3.1 and 4T60(440-T4) transaxle. a couple weeks ago she was driving it and heard a grinding noise, then the wheels locked. up till then the thing worked perfectly. the car goes fine in reverse. it will also go fine forward for about a foot then lock solid, until you put it into reverse. will not roll forward in neutral. sounds like a problem with the differential to me. any insight? Quote Link to comment Share on other sites More sharing options...
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