I have a '94 Sentra, a few weeks ago the starter went bad. I had it
replaced, but new one had a bendix(?) that didn't disengage properly,
resulting in a kind of draggy noise after the engine kicked in. So they
replaced that starter, and with the new one it seems to struggle a little to
start, and there is a chattery noise coming from the left side of the
dashboard before it starts. It sounds to me like solenoid that's not getting
adequate current. I had the battery replaced but that didn't help. This
noise wasn't there with either the original starter or the first
replacement, so it has to be a problem with either the newest starter or the
installation.
   The shop man said today that the starter was drawing the proper amount
of current, so he doesn't believe that the starter is bad. The positive
terminal connector on the battery was loose, so he replaced that, but the
disturbing noise remains.
    Any ideas?

Thanks,
       Mike