Originally Posted by forthefunofit
I'm having the same problem. It is a shuttering/cluttering sound. Mine does it some on opening, but when closing, I'm concerned it isn't going to make it. I sprayed some lithium grease on it and it didn't improve.
I'd stay away from grease for this lubrication application. It will attract dirt and grime. It seems in my case, a good cleaning of all the hinge parts, apply the WD40 as indicated previously, and a little silicone applied on the polished part of the pistons (wipe clean after spraying), allows them to actuate better as they age.