Trailer squeaks

[aunt betty]

It's something that has plagued me on pretty much every boat trailer I've had.
They squeak on every little bump.
If I spray some PB Blaster on where the springs attach to the frame it cures it but not for long.
What will work better? Thinking lithium grease spray but as soon as I pick something someone will suggest a better choice so figured I'd ask first.

[outboardman]

Some good waterproof Grease will do the trick

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[Deltaman]

It's something that has plagued me on pretty much every boat trailer I've had.
They squeak on every little bump.
If I spray some PB Blaster on where the springs attach to the frame it cures it but not for long.
What will work better? Thinking lithium grease spray but as soon as I pick something someone will suggest a better choice so figured I'd ask first.

My big trailer squeaks like hell too AB, and I just spent $800+ replacing axle, springs, all U-bolts, etc....., but know that nothing is wrong. I did commit a sin yesterday though...........when we arrived at the launch, my better half mentioned that the trailer was squeaking more than usual, and happened to ask if I had changed the ball out (duck boat has a 1 7/8 ball, and big boat has a 2 1/4), and damn glad she happened to think about it Thankfully, my big boat is tongue heavy, and we made it to the launch fine, but that could've easily been a major fuck up on the road.

[aunt betty]

Found a tube of lithium in the garage so I basically gave the squeaky parts a good rub down. No more squeaking but so far it hasn't been wet. It's so damned hot that I'm not even trying to go out. Sweating it out to watch empty skies? Aw hell no.