vibration in front end

I have a 1992 sentra E with a 1.6 automatic. I have a vibration in the front right side of the car I have replaced cvjoint Bearing caliper strut strut mounts and had it alighned and new tire put on it but I still have a vibration when I let off the gas and when I hit bumps but it only does it when the car is cold or at least it does it worse when it is cold this is driving me crazy anyone now what it could be thanks Kevin