How do you chance the sunvisors in my 84 corvette?

 

It's been awhile but on my 95 coupe you remove the top. Then you can unscrew the plastic trim up above and unscrew the retaining nuts. Then take a nail punch and pop out the visor shaft. Be careful to collect all the parts for reinstallation. It also helps to loosen up the trim on the inside so you can pull out the wiring far enough to get your hands on them and unplug the electrical. That's what I seem to remeber anyway.

 

I believe that on an 1984 the internal tooth locking retainer has to be uncaged so it can be removed. This will take a little time and the use of a very small pointed instrument, that can allow you to lift up on the internal fingers of the retainer so it can release from the grooves in the visor shaft. I use an "O" ring removing tool that is bent 90 degrees at the end, and sometimes it breaks and I have to grind a new tip. It is under tension so be careful. I push down on the retainer with a pair of stout needle nose pliers until I see that the teeth have moved down and can allow the fingers or teeth to be bent up slightly. I insert my tool between two teeth and pry up. This may cause one tooth to go down but I do not care, as long as I am getting one up. Now the next tooth will be the one that you forced down slightly because you were using it as your leverage point. Keep doing this for a few and it should release. And yes it is a pain in the backside. I have had a 50/50 chance of breaking the retainer and making it worthless. If you are replacing it with new visors that are held in my nuts, I believe they should come with all required hardware, springs retainers and nuts. If not, you will re-use you spring and the retainer that you removed off of the original visor. Straighten the fingers that were bent up by placing a small socket on the underside of the retainer and tap the fingers down with a hammer. These fingers will now grab onto the threads of the new visor and then the nut is installed to keep everything secure. Sometimes the taper where the visor fits into the mount bracket may require a light lubrication if it was rusted to allow ease of moving the visor. IF you are installing new visors and the retainers are included, and you do not need to save the retainer, like I have had the luck in doing from time to time. I have used my dremel tool with the small cut-off wheel and just cut the end off. Done in less than a minute. If you are installing new visors with lighted vanity mirrors on both sides and need help in wiring, just call me. "DUB"