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Re: 1997 GMC C3500 dually transmission
Posted to Technical Discussion Forum on 3/15/2004 2 Replies

HI Ken,

These transmissions have valve body issuses that can cause them to act very [...] from TCC surging to actually going into freewheel.I have seen a few that would go into a freewheel in od,causing a default that would then drop the tranny back to 3rd. ... Login to read more.

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