on this 96 quest all of a sudden it started slamming into second gear,(one day it worked fine and then it started slamming, it did not come on gradually) it has not gotten any worse over the past 3k miles I have changed the fluids and filter with no effect. is thier likely a easy solinoid fix or more likely a trashed tranny? this van has 160k on it. if you let off the gas before the shift it is better but still shifts very hard