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philipswanson · 02-21-2020, 05:06 PM

Never use WD40 with rubber. It is a petroleum product which deteriorates rubber. Use a silicone instead. Double wrapped clamps are best too. And some Aviation Permatex on the water pump flanges.

02-21-2020, 05:06 PM	#13
philipswanson Senior Member Join Date: Oct 2015 Location: Bonita, CA Posts: 1,374	Re: new bottom radiator hose leaking Never use WD40 with rubber. It is a petroleum product which deteriorates rubber. Use a silicone instead. Double wrapped clamps are best too. And some Aviation Permatex on the water pump flanges.