Question to GX owners -- do you follow the recommended 12 months propeller shaft grease or do it every 6 months?

I did the first one after 12 months and was surprised at how smooth the car drove under certain conditions. So this time I did it after 6 months.

What do you do? Do you notice any differences?

Haven't done it for the '14 but the propeller shaft has had a historically known issue for sticking and is usually cured by greasing the zerks...many threads on this in regards to Toyota trucks - just search the net. Since many Toyota/Lexus trucks share the same parts/engineering they in turn have the same issues... I would say it's good practice to keep these greased but don't over do it - many threads on what happens when over done!

doesnt the lexus dealer do this at each major service interval?

Supposedly...

Yes they do. The question is do you do it every 12 months vs 6 months. I found 12 months to be too long as there is too much difference in vehicle behavior after 12 months.