If you have enough clear to sand them out do that. If not sand them all the way out and apply another base coat then clear. Solvent pop usually comes from rushing coats of clear. If you have enough clear to sand them out place the part or the car in the sun for an entire day then reclear. You want to give the sanded clear plenty of time to off gas before putting fresh clear over it. Here is a picture of a solvent pop problem I experienced when painting my 34.