is my starter going ?? on 1993 Ford Aerostar

I have a 93 ford areostar , we replaced the motor last year , now sometimes it won't start it makes a clicking sound, it has to sit for a while then it'll start ,....sometimes !then it will run fine then once I shut it off it may not start again !!! .could this be the starter ? we also just replaced the selenoid .
mary beth

Asked by for the 1993 Ford Aerostar
The starter could be beginning to fail as they get hot the internal components will freeze in position until it cools down, One way to determine if the starter has locked up when hot is to tap it with a hammer then if it starts you know that the starter needs to be replaced.