On this gasket you should be able to pull it straight off. There are little metal prongs that are on the back side of the gasket that snap into the holes in the oven door.
Is you gasket like a metal mesh type?
There are some that are rubber and are glued on. The metal mess ones have the pronges that stick out from the gasket, that snap into the holes on the door.
Go ahead and carefully pull the gasket off. Let me know how you make out.
Does the gasket run the length of a ridge on the inside of the door?
It sounds like the door will have to be disassembled to remove the old gasket.
Can you give me the part number to your gasket?
Here is a diagram of your door. I would remove the screws from the handle first. There are going to be a series of screws around the perimeter of the door. The outer door shell should seperate from the inner door. Then on the inside of the door, there will be the screws that hold the glass to the inner door. Just make sure you have alot of space to lay out the door so you have room to work on it.
Let me know how you make out.
Here is the diagram
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