Factory style hose clamps

If your talking about these they are crap. Throw them away and buy ones that you can tighten.

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These have been on and still on my 93 Dakota since we bought the truck brand new. Never a leak.
I use these, on everything: radiator, fuel lines, coolant overflow hose, etc. No leaks anywhere. Use the right size hose for the fitting, and correct sized clamp, what was the issue? :)

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This is what I’ll use on my 65 Dart wagon. Never had a problem with them on any of the cars I used to have.