Thread: Cleaning and flushing the transmission

The shop manual for the 1951 Passenger Car ( I'm working on '52 Land Cruiser, T86 with overdrive) says to "drain, flush, fill" the transmission every 10,000 miles. It identifies the appropriate oil for the transmission, S.A.E. 90 high grade mineral oil gear lubricant, but what is the appropriate fluid to flush it and to flush the OD unit? I have the transmission opened up sitting on my bench and would like to clean it up as much as I can without disassembling it. What is the best/safest way to clean the old oil residue off the gears that I have access to? Pete

I drained and put in ~ 2+ pints of kerosene, up on jack stands and @ idle..... shifted into all the gears, including OD (may not need this).... then drained and filled both boxes with GL-1 from NAPA.....that was ~ 5K miles ago..... so far, so good....comments ??