Way too much trouble and no one wants to pay to do a good thorough job on them. I just sub those out anymore. Besides I am tired of all the damage to my hands from the sharp edges of the main encabulator stator. By the time it is all reassembled you need a blood donor and intensive care.
In the melting pot of experts and idiots that is the internet and in the partisan cesspool that is now called journalism, it is hard to imagine a time when we trusted experts to explain stuff to us. Bud Haggart’s performance (1977) of the GE script laughs at that notion of infallibility.