95 f 150 xlt with a 5.8 l v-8...tranny was kinda slipping, had to manually shift it even tho it was auto, taking off in drive was just too sluggish sluggish to move...lost 1st and 2nd (might as well say we lost all gears cause u cant take off in drive) so all thats left is drive and reverse...changed fluid, no metal shavings or chunks but was def. burnt but new fluid and filter made no changes in it.....help