Leemc Posted September 7, 2021 Report Share Posted September 7, 2021 Hi all, I was welcomed with a blue coolant sea in engine bilge this morning. The leak is a split in hose from side of calorifier to left side of engine. Can I just undo clips and simply replace or do I have to do anything else? Don't want to cause any other issues. cheers ( as always) Lee Link to comment Share on other sites More sharing options...
matty40s Posted September 7, 2021 Report Share Posted September 7, 2021 If the hose has a hole in it near where your finger is pointing in 2nd picture, replace and then add a protective rubber outer to it like the thicker hose adjacent has. It may well be the hose rubbing against that nut which has caused the problem. Link to comment Share on other sites More sharing options...
Leemc Posted September 7, 2021 Author Report Share Posted September 7, 2021 Sorry, that finger is just me identying the leaking one. Leak is halfway between two clips Link to comment Share on other sites More sharing options...
Tony Brooks Posted September 7, 2021 Report Share Posted September 7, 2021 If the hose in the top picture is the one leaking blue liquid, then you are poisoning yourselves. That one is on the PRV that only deals with domestic water. I suspect the hose you identify on the engine is the horizontal one near your finger - the calorifier coil connection. Link to comment Share on other sites More sharing options...
Tracy D'arth Posted September 7, 2021 Report Share Posted September 7, 2021 (edited) Replace hose, top up with antifreeze and water @ 25% to 30%, bleed off any air at the high spots. Job done. Edited September 7, 2021 by Tracy D'arth Link to comment Share on other sites More sharing options...
Leemc Posted September 7, 2021 Author Report Share Posted September 7, 2021 2 minutes ago, Tony Brooks said: If the hose in the top picture is the one leaking blue liquid, then you are poisoning yourselves. That one is on the PRV that only deals with domestic water. I suspect the hose you identify on the engine is the horizontal one near your finger - the calorifier coil connection. Sure you're right. Definitely don't have blue water from taps. 3 minutes ago, Tracy D'arth said: Replace hose, top op antifreeze and water @ 25% to 30%, bleed off any air at the high spots. Job done. Cheers. Will have a go but not sure how to bleed off any air at high spots though😰 Link to comment Share on other sites More sharing options...
Scholar Gypsy Posted September 7, 2021 Report Share Posted September 7, 2021 Tangential point. I had a very slow leak on one of my engine hoses recently. It was fine when cold, I pumped the pressure tested up to 15 psi and it stayed there for hours. But when it heated up the hose leaked a little bit (15ml a day sort of amount, really annoying). I've now replaced it (and added some lagging to stop it rubbing against the exhaust manifold!). Link to comment Share on other sites More sharing options...
Tracy D'arth Posted September 7, 2021 Report Share Posted September 7, 2021 If you have a tight rub spot in a hose, an extra hose clip placed in the right place will help prevent damage. Link to comment Share on other sites More sharing options...
matty40s Posted September 7, 2021 Report Share Posted September 7, 2021 1 hour ago, Leemc said: Sorry, that finger is just me identying the leaking one. Leak is halfway between two clips Same applies, hose is suffering from vibration against engine. Either wrap a protector around it at that location, or(if not enough space), extend the larger hose protector to surround both hoses. Link to comment Share on other sites More sharing options...
Leemc Posted September 7, 2021 Author Report Share Posted September 7, 2021 Thanks Matt Link to comment Share on other sites More sharing options...
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