How to Troubleshoot & Replace Whirlpool AP6007861 / WP3196232 Control Knob

We had actually considered buying a new range but this one works so well that we didn't want to replace it with a new one that probably wasn't of high quality manufacture. SO-- I ordered the trim kit and a knob -knob replacement is obviously a no-brainer. -oven door trim kit took about 30 minutes but 10 minutes was spent cleaning the outer glass and inside the door. everything considered it was an INEXPENSIVE and QUICK fix to make an old, terrible looking range look practically new. 

Replaced knob. All good. Thank you, 

Got the repair gasket, watched the repair video, and installed new gasket within minutes. 

Replaced 

So easy! Just removed the old grungy ones and put the new ones on the stove. 

Very carefully.unplugged the appliance dismantled the back hooked up the wires reassembled it.and bam it worked.