I can't give you the reason your trans is acting up. I can give advice as to getting rid of the VS2-6 and installing a V730. Reasons- VS2-6 is a 2 spd transmission with an overdrive gear on the input shaft. You only have torque converter lockup in 2nd (direct) and 3rd (overdrive). When in first, you're always in torque converter creating tremendous amounts of heat for the radiator to get rid of. You also don't have any control of gears (F-N-R), and that transmission has been out of production so long, parts are getting hard to get.The V730 is basically a HT740 without 1st gear with the angled bevel gear. The V730 shifts 1C-2C-2L-3L. so it actually feels like 4spd. Most have a normal shifter (R-N-3-2-1) where you can hold a gear for climbing a hill. You can get 1st gear torque converter lockup by pulling the gear shift to 1st and pulling up about an inch on the accelerator-then you can climb a long hill (at around 30mph) in torque converter lockup without all the heat build up. Lots of V730's still in service, and parts are still being made for them.If you're going to keep your bus for a while, don't even fool with the out dated VS2-6 and install the V730. You'll be a whole bunch more satisfied with its' performance. Good Luck, TomC
Welcome DwayneI have a VH9 manual but not the Vs2-6 manualI have both transmissions on the shop floor if you need any exterior pictures.It sounds like you have the VH-9 transmission Do you know for sure it is the VS??P
Opps Forgot to add tranny was checked hot and running. no mist area solid oil on stick to the mark.The VH manual says check when hot and imediately after shutting off. not sure what is right the manual or real life words