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As noted, WD40 is NOT a long term lubricant and may have contributed to the problem with the solvents it contains. WD40 was the 40th compound tried out by the USAF to prevent moisture/rusting (Water Displacement 40). It will leach out the actual grease and leave behind a super thin lubricant that lasts a very short time, so WD-40 is a poor choice for lubrication (specifically door hinges...)Honda has a spray lubricant for door hinges (Ch 4 in the SM). I wonder if it is a silicone or Graphite lubricant, which I've had good success with. They seem to penetrate and last much longer, but I'd agree with [USER=26435]@Old Guy[/USER] that disassembling the hinge and a proper grease is the most thorough path.20 years ago, I bought a can of "SuperLube" Silicone lubricant that claimed that one spray would lubricate forever, and that stuff was amazing, but when the can ran out, I've never been able to find it again; newer silicone lubricants are nowhere near as good. Probably carcinogenic, but I wish I could find another can of that stuff.
As noted, WD40 is NOT a long term lubricant and may have contributed to the problem with the solvents it contains. WD40 was the 40th compound tried out by the USAF to prevent moisture/rusting (Water Displacement 40). It will leach out the actual grease and leave behind a super thin lubricant that lasts a very short time, so WD-40 is a poor choice for lubrication (specifically door hinges...)
Honda has a spray lubricant for door hinges (Ch 4 in the SM). I wonder if it is a silicone or Graphite lubricant, which I've had good success with. They seem to penetrate and last much longer, but I'd agree with [USER=26435]@Old Guy[/USER] that disassembling the hinge and a proper grease is the most thorough path.
20 years ago, I bought a can of "SuperLube" Silicone lubricant that claimed that one spray would lubricate forever, and that stuff was amazing, but when the can ran out, I've never been able to find it again; newer silicone lubricants are nowhere near as good. Probably carcinogenic, but I wish I could find another can of that stuff.
