www.iFourWinns.com

Well, this isn't boat related but given that many I/O's have the same system, I figured I'd put it out there anyway.

This happened to me tonight on my truck... apparently it happens from being overtight(?) but it has been on for 2 years without a problem. In a boat, it could have been disaster. In the truck, I just pulled into the driveway and shut it off.

In case there is any mystery, it's the hose clamp for the big coolant hose:

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1995 Four Winns Freedom 170
4.3-GL, Volvo SX

Good point. And thats why we also double clamp everything

Yes excellent point, it's also a good idea, to pull up the inspection cover for the gas tank and check the fill hose clamps and the ones for the vent hose as well. I bet those don't get checked too often, out of sight out of mind!

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88 Four Winns 200 Horizon
4.3 OMC Cobra-4bbl
2002 Walker Bay 10/2012 Suzuki 2.5
2008 Walker Bay 8

1998 Jeep Grand Cherokee 4.0/Selectrac
2007 Jeep Grand Cherokee 5.7 Hemi/Quadradrive II

Pretty clearly that hose clamp was not SS. I'd guess not OEM either. So this could also serve as a reminder to make certain any replacement items on the boat are SS.

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2007 Horizon 200
4.3L GXi/ SX 225 HP

Hose clamp was SS and was not OEM, done by me a few years ago.

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1995 Four Winns Freedom 170
4.3-GL, Volvo SX

I'm not sure I've ever seen one that wasn't stainless. But, they can have weak spots like anything else.

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Mike
2005 Four Winns 230/240
VP 5.7GXi/DP
1998 F-150 XLT
Boat Pic

I was just going by the pic. To my eye it looks like there's significant rust 'bubbles' indicating plated clamps. Must be either cheap Tiawan stuff peddled as SS, or a misleading pic.

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2007 Horizon 200
4.3L GXi/ SX 225 HP

I think you are seeing water/coolant droplets that were still on it when I took the picture.

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1995 Four Winns Freedom 170
4.3-GL, Volvo SX