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  1. #1
    Join Date
    Sep 2016
    Location
    Newbury, Berkshire
    Age
    59
    Posts
    153

    Coolant hose blows off rad!

    Hi folks, any advice appreciated on this... I had a slight leak from the top radiator hose (silicone) where the fan temperature probe is and so replaced this with a new piece of pipe and a Kenlowe probe seal. All was good until I refilled coolant and ran the engine to clear air locks, etc. When I ran the engine up to near normal temperature to my surprise the jubilee clip was forced off the pipe with subsequent leakage. It's a RV8. Any tips on how to avoid/fix this? 2 clips? The silicone pipe is very smooth would roughing it up under the clip help?

    Thanks Mike

  2. #2
    Join Date
    Dec 2008
    Location
    Shropshire
    Posts
    1,208
    Quote Originally Posted by Mikeuns View Post
    Hi folks, any advice appreciated on this... I had a slight leak from the top radiator hose (silicone) where the fan temperature probe is and so replaced this with a new piece of pipe and a Kenlowe probe seal. All was good until I refilled coolant and ran the engine to clear air locks, etc. When I ran the engine up to near normal temperature to my surprise the jubilee clip was forced off the pipe with subsequent leakage. It's a RV8. Any tips on how to avoid/fix this? 2 clips? The silicone pipe is very smooth would roughing it up under the clip help?

    Thanks Mike
    A smear of Blue Hylomar on the spigot before you push on the hose should help. Can order over Internet or pick up from Halfrauds. Silicon hoses are notorious for leaks and blowing off, irrespective of the quality of hose clips or the like.
    Stu
    _________________________________________
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  3. #3
    Join Date
    Nov 2013
    Location
    My Garage
    Posts
    906
    Have you got the right pressure cap on the header tank??
    MKIII Pilgrim Sumo. 3.5 Litre Rover V8

    https://classiccartouring.com
    For Touring and Camping


  4. #4
    Join Date
    Jan 2006
    Location
    Chelmsford Essex
    Posts
    492
    Hi

    I don't use jubilee clips but the turbo v-clamps which are do not distort and you can clamp them up very tight without stripping so get a good night fit . They are a bit expensive but you don't need many . Got them from local company who also supply silcone hose.https://www.advancedfluidsolutions.co.uk

  5. #5
    Join Date
    Sep 2016
    Location
    Newbury, Berkshire
    Age
    59
    Posts
    153
    Thanks all for the feedback. All sorted now with a new section of pipe and some hylomar. Mike

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