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Re: 99 F-350, transfer case fluid going into transmission
Posted to Transmission Forum on 3/17/2004

I've only seen this twice. Once on a 98 F-250 4x4 and the vent tube from the transfer case was plugged solid and once on a GM truck and my R&R guy had plugged the transfer case vent hose into the transmission vent hose. Login to read more.