Foretravel Owners' Forum For owners and Fans of Foretravel Motorcoaches September 12, 2025 ...

Not always. Some T bolts have springs to add the constant tension function.  The spring in constant tension clamps keeps them tight through a wide range of temperatures. Here is one at Amazon.

Amazon.com: Mishimoto Constant Tension Worm Gear Clamp, 1.26"-2.13" (32mm-54m...

The T bolts types are likely heavier duty. I looked at my coach and that is what is there.

Thanks Brett.

I have been reading that the latest thing in clamps is a "Floating Bridge" for T-bolts clamps.  They eliminate possible buckling.
Here's an example:  Amazon.com: Mishimoto Stainless Steel Constant Tension T-Bolt Clamp, 3:...

"Constant Tension" seems to be a keyword for clamps with springs under the nuts.  And some use disk washers for the springs.

I also included details on a recommended installation of clamps that I found.  Notice the clamp should be close (but not on top of) the pipe bead.

It's also not a bad idea to install two clamps (rotate 180 degrees apart) on larger hoses (like +2").  They should be positioned close but not touching each other.  This might be particularly relevant if one end moves a little (like the engine on it's mounts) and the other end is fixed to the chassis; the extra clamp keeps the hose end from sliding on the pipe and getting out of position.

My personal experience with radiator clamps is I'll have installed the clamp in summer and tighten the clamp as tight as I can (within reason) but come winter I find maybe a drip here or there.  I tighten them again and then they seem to be good from then on out.