I just put LMC visors in a 79. It was just the vinal not the complete assem. Is there any way to keep some tension so it will stay in a set position?

 

There should be little rubber caps on the end that go into the center support.

The Metal end that sticks out of the visors toward the center should not turn, it should pivot on the rubber cap on the end.

There is a post on this forum somewhere that explains all this. However finding it will be chalenging...

How is the grip of the visors on the metal support arms? May need to replace those as well.

 

The grip on the metal support arms sucks. On the inside end(where the short plastic end goes w the rubber cap) Fits tight in the visor but loose in the plactic center support

 

Is there any way to squeeze it to make the grip tighter?

Only other thing I can think of.

 

The visor brackets themselves have nothing to do with keeping the visors steady.

Inside the visor is a long split metal shaft. The visor bracket is pushed into this shaft, which then expands.

When it wears, the visors flop around.

On the other end of the visor is a plastic extension which also pushes into the visor.

The same rubber caps that fit on the end of these plastic extensions were used for decades on cars & trucks.

 

Yep, what I suggested trying and squeeze together so it would grip better. These are new visors from LMC so the split metal shaft should grip like new. Since it isn't I can speculate that it wasnt all that well made. No offence Diesel-Brad. Thanks for wording it better than I did though.

hmm, I remember it to be metal on my '73. But we are talking '79 here.

Yep, and if these rubber caps are missing the visor can flop around in the center plastic bracket.

Not much more I can suggest though. We pretty much covered it all. If it still does it after these suggestions, the LMC visors are to blame, IMO.

 

I will try pulling the metal shafts out of the visor and try crimping the "metal insert" w a pair of pliers and see if that does anything.

 

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The way that I did it was to use a large C-clamp, and mark the thread position on the clamp so I used the same degree of pressure at each location along the visor shaft. That way, the visor grips the rod with roughly the same amount of tension all along the visor, and 'should' stay up better. The other benefit is that you can start weak, and adjust the amount of pressure you exert on the shaft, being careful not to crush it.

The difficulty with pliers, unless you have a smooth jawed set, is that the jaws can leave marks or damage the vinyl, and the amount of pressure you place along the shaft can't be controlled very well. Don't get me wrong, pliers will work if you're consistent with your grip, and if you tape off the jaws so as to not damage the vinyl, but the C-clamp did the trick for me.