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Coolant hose problem

Discussion in '206/246' started by solly, Aug 19, 2012.

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  1. solly

    solly Formula 3

    Jun 2, 2001
    1,148
    Westchester NY
    Full Name:
    Dr. Steven S.
    #1 solly, Aug 19, 2012
    Last edited by a moderator: Sep 7, 2017
    '74 246 GTS. Recently noticed puddle of coolant on garage floor. Traced leak to front of car. Removed forwardmost undertray and saw that the leak was coming from the lower hose (engine to radiator) and was right at the "T" junction where another hose takes off at a 90 degree angle. The leak was more of a heavy ooze, and was coming from the hose at the rear of the T where it almost disappears into a hole in the chassis. In fact it looks like the only thing that hasn't stopped the hose from disappearing into the chassis is the hose clamp which is very rusted and jammed into the chassis hole. I can't even get enough movement on the lower hose to pull it out enough to try a new hose clamp. There is just about an inch of hose sticking out from the hole in the chassis.

    I've looked at removing the next underbody panel (middle one) but instead of bolts it appears to be held on with either small rivets or allen screws, and I don't know if removing this panel will help with the problem.

    Any help greatly appreciated
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  2. solly

    solly Formula 3

    Jun 2, 2001
    1,148
    Westchester NY
    Full Name:
    Dr. Steven S.
    #2 solly, Aug 19, 2012
    After fiddling with this hose for an hour the old clamp fell off. It had rotted through. Put on a new clamp and leak seems to have gone away. But what a pain the butt trying to work with 1/2 inch of hose and tuck the clamp into the hole in the chassis. Going to replace the other 2 clamps while I'm there because they are really rusty as well.
     
  3. UroTrash

    UroTrash Four Time F1 World Champ
    Consultant Owner

    Jan 20, 2004
    40,535
    Purgatory
    Full Name:
    Clifford Gunboat
    #3 UroTrash, Aug 19, 2012
    You need to replace the hoses ASAP.
     
  4. dudlow

    dudlow Karting

    Feb 28, 2011
    194
    Surrey UK
    #4 dudlow, Aug 20, 2012
    I had a similar leak in that area. You will find that the original metal T peice will be corroding from the inside, causing pin hole leaks which are hard to detect. New T piece in stainless steel from Superformance is cheap to buy and easy to fit.
     
  5. synchro

    synchro F1 Veteran

    Feb 14, 2005
    9,294
    CHNDLR
    Full Name:
    Scott
    #5 synchro, Aug 24, 2012
    I've seen the ends have a split or a fray and prior discussions here claim the hose can still be intact, but in the case where you determine the long hoses do need replacing I've seen two superior solutions; aluminum tubes or silicon hoses
    SRI sells higher quality at: http://www.scuderiarampanteinnovations.com/solutions.html

    I love stainless so the "T" to the heater boxes is good advice
     
  6. solly

    solly Formula 3

    Jun 2, 2001
    1,148
    Westchester NY
    Full Name:
    Dr. Steven S.
    #6 solly, Aug 25, 2012
    Scott- Where have you seen these in aluminum? That would be my first choice.
     
  7. racerboy9

    racerboy9 F1 Rookie
    Silver Subscribed

    Nov 3, 2003
    2,651
    #7 racerboy9, Aug 25, 2012
    I would like to see how they fed aluminum tubes through the oval tubing. I don't see how it could be done. That would have to be a 4-5 foot straight pipe times two that you would have to insert into the oval tube.
     

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