>  I think it's a fact of life : Rubber bushings nice & quiet but short lived.
>  Polyurethane bushings (the only choice for off-roaders) have an excellent
>  service life but...they will squeak.

>  Whether you lube the bushings with silicone grease or other forms of
>  spray grease,you'll still only end up with temporary relief.The squeak
>  will return...

tried graphite? it MIGHT work...