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First off, I'm working off of memory since I did this like three or four months ago. I was getting the gear light on the dash once in a while. I decided to dismantle the NSS to see if it could be repaired before buying a new one. I removed it from the car. I tried turning it(the center part that is rotated when shifting) with a large screwdriver before I took it apart and could barely budge it. I drilled out the rivets. Once inside, I found it all gunked up with filthy dried up grease. There are maybe four or more contacts(with small coil springs) that ride on tracks. I cleaned everything with contact cleaner and brake cleaner. I cleaned all contact points with fine sandpaper and a small brass brush. Again I cleaned everything with contact cleaner. Once dried, I liberally greased with dielectric grease. I also used regular grease around the part that protrudes through the case which is where the dirt probably got in. Reassembly is a little tough, keeping the contacts with the small springs where they should be is challenging. I packed the springs & contacts with dielectric grease to try and hold them in place while I assembled the parts. Apparently I got them seated properly. I used small nuts and bolts with blue loctight(instead of red loctite in case I had to take it back apart) to hold the switch together. It has worked since October or November without any problems, of course I'm probably jinxing myself by writing this. I couldn't find any posts here on repairing an NSS just on replacing one. Hopefully someone else can save a few hundred dollars or more if they wanted to try this themselves. I wanted to drive the car for a while before posting to make sure I didn't have a reocurrance. Hopefully this repair lasts until I sell it. It's really not that difficult. It'll probably take a Saturday afternoon and the majority of time is done on the bench.-
posted by 205.188.116...
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