I have a 2004 GC Larado I6 select trac. The suspension creaks when it hits bumps ONLY WHEN IT IS COLD. Below freezing, it sounds like it is metal-on-metal. I sprayed the rubber bushings with silicon and it quiets it pretty well. Should I be worried that the bushings are worn? It has been doing this for the five years we have owned the rig. There doesn't seem to be any play or tire wear or handling problems.
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