All the replacement springs I have purchased the last couple years have had the same issue. I think the new spring loose tension sitting on the shelf. You can shim the spring for more tension, that helps a little.
Dan
I'm back to thinking that it is a manufacturing lot related problem. Perhaps ZZ SRT got 3+ year old springs from a dusty back shelf.
I wonder if the issue is that the newer springs were not heat treated properly or were made with an improper grade of steel.
I guess now we know why they were $16.
I sprayed mine with 3M Super 77 adhesive. Worked great for me, try at your own risk![]()
I pretty much sprayed anything that moved, any portion of the hinge/spring that looked like it would benefit from added friction.
It was stiffer the first couple times, but became less stiff after a few closings. But overall it stayed up after the spray glue treatment. It can still be on the edge if it is windy though. If I plan on leaving hood up for any length of time, I use a prop rod. That hood is too heavy, and seems like it would cause a lot of damage if it fell to trust it on its own, with that hinge design.
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