I have a worn groove where my check balls go under the valve body. I am unsure if this will hurt the transmission or not. Looks like it should be smooth and insteadit has large gagged part sticking up.
It is a 1989. The groove is on the webbing or channel of the transmission itself. Under the separator plate. Where the check ball goes there is a rounded out place and it looks like it slammed itself so hard inside the hole that aluminum is sticking up and the spot is enlarged.
You can take a large fine flat file and lightly go across the entire trans case where the valve body bolts on,and knock any high spots down.Don't focus on 1 area,go across the whole thing evenly....brake clean and blow dry when done...and the groove in the case webbing:as long as it doesn't go from 1 channel all the way thru to the 1 next to it,then it will be ok. If the seperator plate got beat up from the checkball,then it will have to be replaced.
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