88 Automatic Transmission problem

By kolk88
December 29, 2004 in 1999-2013 Silverado 1500 & Sierra 1500

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kolk88

Posted December 29, 2004

I have an 88 GMC 4x4 2500 w/ automatic OD trans. When I put it in reverse sometimes I hear a high pitched gear grinding noise, almost like the linkage is not quite fully engaged. I've checked the linkage, no problem, along with 2WD and 4WD operation, no problem, any suggestions as to the cause?

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