Be very careful not to get any acetone on your car’s paint or carpets. It’s better to put a small amount on a cloth and wipe with the cloth than to pour the acetone directly on the gasket.
Use a trim removal tool to slide in between the window and the gasket. Hook the tool underneath the gasket and pull up. Once the old gasket is removed, install the new gasket by fitting it into the same place as the original and pushing down firmly.
If your motor is functioning properly but the window is not responding, you may need to replace your regulator.
These can often be difficult to bolts to remove. You may need to use a ratchet with a long extension to provide the necessary angle to access and turn the bolts.
