Originally Posted by
Legwound
I'd have a hard time resisting pulling it apart. Is it a sealed case? I've rebuilt a number of fiddly bits for my old Lexus, stuff that's no longer available. Clean ups and new bearings go a long way. With large industrial motors we re-insulated via a really big version of a sheep dip. That's not my department but I paid attention to what they were up to. The quality of insulation could be varied by the insulative coating applied. I was surprised how big a difference there was.