Thanks Bertsmobile1, I have disconnected everything from the transaxle and it is still hard to shift so it has to be something inside the transaxle. I still can't find a fill or drain plug. All I can find is about 15 bolts which bolts the transaxle housing together. It looks fairly simply to separate the housing but surely that isn't the only way to replace the lubricate. I've looked at the owners manual and can't find the fill or drain plug on there either. Does anyone know what type lubricate the transaxle takes? Since it isn't working anyway I may just separate the housing and see if it needs cleaning, is low on lubricate or if the unit needs to be replaced.