Do I need to remove the bottom of the microwave to remove old and replace new?
Yes, to replace the lamp holder WB08X10016 you will need to remove the lower panel of the microwave .
How do I change an oven light receptacle in a Frigidaire model PLEB27S8CCC oven?
Answer Hello Kenneth,
You would need to take a flat blade screwdriver under the edge inside oven and pop it out. Make sure power is disconnected before doing this.