Has anyone repaired the hot air valves? I know you can buy new ones, but I wanted to try to repair the original ones. I will clean and paint the housings, but how to repair the sealing parts (marked in the pictures). Has anyone repaired them and can tell me how to do it? Greetings.

pretty rough looking used ones are available for 45 each

Here's how I did it.

And here is a recent thread on the same topic.

I'll bet yours will clean up nicely

Thank you very much for your help. I searched for similar topics but I guess my English is too poor because I didn't find anything - maybe I searched wrong. Greetings