Hammers help.. The big question is; Why? What problems are you having? What attempts have already been preformed to help? Sadly, our crystal balls are not automatically tuned into your situation.
In some window channels, those 'fuzzy' seals are serviceable. There are some All-in-one channels that may have been used. An all pressed together one part channel; Usually all serviceable,,,, in some way.. All depended on the attitude of Carver on that model and date. Please send us some close up pictures and maybe we can identify the channel vendor. Please keep the pics under 650 pix.