GFU21M4AW0 Gibson Freezer - Overview

We loosened all the screws around the door and slid out the old gasket.
We then slid the new gasket behind the panel and screwed the screws back in place.

hardest part was to remove deformities using a hair dryer. Working with hand after heating seemed to work but was not quick.
Loosen screws under old gasket. Screws hold gasket lip under the edge of the door liner. Remove old gasket. As door liner was brittle from age, I used silicone caulk across top of door behind flange, set li ... Read more p of gasket in silicone and tighten screws. Did top and half was down the side, then did the bottom up, taking ank excess gasket and trying to distribute along straight side. Make sure door is plum and square on hinges, then close door. Turned freezer on and allow to cool to see if ice would form, before refilling with food.

The easiest way to replace this gasket is to remove the door from the freezer. Two bolts remove the top hinge and the door pops off. Setting it on sawhorses makes the job easy. In addition, I moved the door into the sunlight which made the gasket flexible and easy to work with.

Remove the screws under the gasket with a phill ... Read more ips screwdriver and lift the inner panel off the door. Clean the area when the gasket sits, put the new gasket in place and replace the inner panel and all the screws.