Range element keeps getting hot
 

Right front element stays hot. I have to turn breaker off to shut down. Other 3 elements will not get hot.

It may be part of the following recall
Frigidaire and Electrolux ICON Electric Smoothtop Cooktops and Slide-In Ranges Recalled Due to Fire Hazard

Cook top heats up by itself
 

All frigidaire wants to do is send out a gasket kit for the knobs. How do I fix the problem of right front element heating up when not turned on? The three other elements won't turn on.

Here are your parts
Parts for Frigidaire GLES389FSB Range - AppliancePartsPros.com

See the attachment for the wiring diagram.

I am assuming that the oven works OK.

Unplug the unit and check the wiring to the element controls and from them to the terminal strip.
If all OK I would disconnect the right front element and see if the other elements now work.
If that does nothing disconnect the control/board for that element.

Be very careful that the unit is unplugged when working on it and that nothingcan short out when you are testing it.

This is a fairly complicated unit and may be best left to a pro.

A manual is available for purchase at the following site but is for stand alone units not a slide in unit. The sections on the element controls is the same though.
http://appliancejunk.com/forums/index.php