Remove the rubber arm covers, clean well with WD-40 and wipe clean. Then use dry silicone to get rid of the WD-40. Reinstall and secure the rubber boots and you are good for another year or 2.
I use white lithium on the pivot points on the hitch head and for the ball and I bought the pads to go on the L-brackets of my Equal-I-Zer brand hitch. Quieted down the noise a lot.
I used Tri-Flow for my tow bar arms and still use it any time something is going into my hitch receiver to make sure it releases easily. It is my go to spray lubricant.
Dave
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