Quote:
Originally Posted by paulsherwin
I am very surprised to learn that automotive lithium grease dries up within 3 years. I have cans of it in the garage which are more than 20 years old with no signs of hardening.
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I suspect the "in a can" aspect is in play here. Ordinary grease is oil and soap and the soap part dries up when out in the open. Inside rubber boots and wheelbearings etc it's fairly well protected from the atmosphere but in parts like kingpins it's well known for seizing them up if they're not regreased regularly to push out the old grease.