Fourward Posted March 26 Report Share Posted March 26 63 R1 Avanti. Has anyone installed a lower radiator hose recently? I know this sounds stupid but I cannot clamp it so it stops leaking. Anyone have any tips? Link to comment Share on other sites More sharing options...
DWR46 Posted March 26 Report Share Posted March 26 I am not a big fan of this approach, but I have used it successfully on some pre-war (WWII) cars with badly corroded aluminum water pumps. Coat the pipe on the radiator with a light covering of black silicone (RTV) and then install the hose. The silicone "gasket maker' will fill in any deviations in the seal and you will have no leaks. Link to comment Share on other sites More sharing options...
Bill Hanlon Posted March 27 Report Share Posted March 27 I double clamp the hose. Link to comment Share on other sites More sharing options...
Fourward Posted March 27 Author Report Share Posted March 27 I just bought two new clamps. I will do that. Do you put the hose on short of that lip...ridge... on the intake pipe? Because right after that the pipe is not really round, it has a build up of metal, or a portion of the radiator infringes on the pipe. If I put the hose on smooth pipe, short of the ridge, and two clamps? Will try this afternoon. Link to comment Share on other sites More sharing options...
DWR46 Posted March 27 Report Share Posted March 27 Fourward: the lip or "ridge" is a "blow off lip". The clamp (in theory) goes on the radiator side of the lip to prevent the hose from blowing off the radiator if you have a pressure build up. The lip is there to prevent the clamp and hose from sliding off the pipe. Link to comment Share on other sites More sharing options...
Fourward Posted March 27 Author Report Share Posted March 27 Thank you Bill and DWR. Link to comment Share on other sites More sharing options...
John Brissette Posted March 28 Report Share Posted March 28 Google "Gates Heat Shrink Radiator Clamps". They work like shrink tubing. They will shrink to whatever shape you have. That's the good news. I have used them and I like them. I have no leaks! The bad news is they are pricey, and a one time use. Add to that ,when you need to remove them, you should have their special tool, or you will cut the hose in the removal process. Ask me how I know. John Link to comment Share on other sites More sharing options...
Fourward Posted March 28 Author Report Share Posted March 28 Neat! Never heard of them, I'll look them up. I put two clamps on, got NAPA clamps, couldn't even find GATES, no coolant came out as before. Fingers crossed. Link to comment Share on other sites More sharing options...
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