948Herald Posted July 23, 2022 Share Posted July 23, 2022 Hi, so after draining water from the radiator, topping up with antifreeze and refitting radiator hose, I’ve noticed the hose dripping slightly when the car is running and small amounts of steam at times. Is this to be expected? I’ve played around with the hose to get it as tight as possible but nothing seems to prevent it leaking slightly. Looking forward to hearing your thoughts, thanks in advance. - Zee Quote Link to comment Share on other sites More sharing options...
JohnD Posted July 23, 2022 Share Posted July 23, 2022 Zee, Where is the leak? If the hose is cracked, then it can only get worse - replace the hose. An old hose will harden and may crack while being removed and replaced. If the leak is from where the hose and radiator join, then this may be due to a hardened hose, that can't mould to the rough outer surface of the radiator pipe. A new hose may help, or, use some sand paper on the pipe to smooth it. Another way to promote a seal is "self-fusing tape" or "Silicone tape" . Wrap that tightly around the pipe, one layer, to provide a softer surface that should seal. Good luck! John Quote Link to comment Share on other sites More sharing options...
Velocita Rosso Posted July 23, 2022 Share Posted July 23, 2022 If you change hoses from rubber to silicon and use Mikalor clamps, which have a wider area of fit, then that should alleviate looking for cracked rubber.....or just replace with new rubber and clamps. Also ensure that the clamp is fitted way past the sealing lips on the males. Quote Link to comment Share on other sites More sharing options...
Tim Hunt Posted July 24, 2022 Share Posted July 24, 2022 21 hours ago, Velocita Rosso said: If you change hoses from rubber to silicon and use Mikalor clamps, which have a wider area of fit, then that should alleviate looking for cracked rubber.....or just replace with new rubber and clamps. Also ensure that the clamp is fitted way past the sealing lips on the males. +1 for Mikalor type clamps Quote Link to comment Share on other sites More sharing options...
ferny Posted July 24, 2022 Share Posted July 24, 2022 Which hose? Have you cleaned its seating area before refitting? Is It deffo coming from the hose join or traveling to it from another sealing face? Quote Link to comment Share on other sites More sharing options...
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