308 GT4 Coolant pipe leak | FerrariChat
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308 GT4 Coolant pipe leak

Discussion in '308/328' started by dino_bob, Oct 3, 2012.

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  1. dino_bob

    dino_bob Karting

    Sep 27, 2012
    133
    Norway
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    Robert
    #1 dino_bob, Oct 3, 2012
    Last edited by a moderator: Sep 7, 2017
    Hi everybody. I just bought a Ferrari Dino 308 Gt4 1975, and thanks to this great forum I have already learned a lot regarding these cars. The car needs a couple of fixes, so I hope that some of you experts will be able to share your knowledge.

    The first problem is that there is a hole in the coolant pipe running on top of the engine, number 36 on this image:

    http://www.eurospares.co.uk/userImages/051/Large/051_018.gif

    I have taken the pipe of, and hope to get it tig welded.
    The pipe has been rubbing against the bolt from the oil filter holder, so the questions are:

    -How can I make sure that this will not happen again? Is there supposed to be some kind of pipe holder?
    -The coolant has been sprayed all over the top of the engine, and also reached the timing belt. How bad is this?
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  2. Pero

    Pero Formula Junior
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    Apr 22, 2011
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    Peter R
    #2 Pero, Oct 3, 2012

    There should be a pipe holder using one of the top bolts for the clutch housing to keep the tube in place. My enginge is out so I am sorry I cannot take a photo.

    /Pero
     
  3. BigTex

    BigTex Seven Time F1 World Champ
    Owner Rossa Subscribed

    Dec 6, 2002
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    Houston, Texas
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    Bubba
    #3 BigTex, Oct 3, 2012
    I'd rinse the coolant off the timing belt, but I don't think it's harmed.

    As noted repair that tube no worries.

    On my GTB I put a pad made of rubber rad hose on those tubes, where I am afraid a bracket or belt might chaff on them!

    From the post above, it sounds like you may well be missing a clamp support, easily fabricated once you see how it's made.
     
  4. guygowrie

    guygowrie Formula 3

    Sep 19, 2011
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    #4 guygowrie, Oct 3, 2012
    Last edited by a moderator: Sep 7, 2017
    On tube 34 (the one lower to the you are going to repair then my GT4 has some coolant hose as a sleeve on another location where it may rub.
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  5. newto308

    newto308 Karting

    Mar 20, 2007
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    McLean, Virginia
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    #5 newto308, Oct 3, 2012
    Last edited by a moderator: Sep 7, 2017
  6. GT4 Joe

    GT4 Joe Formula Junior

    Oct 19, 2010
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    Dana Point, Ca.
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    Joe Williams
    #6 GT4 Joe, Oct 3, 2012
    Last edited by a moderator: Sep 7, 2017
    Bob,
    Had the same thing on my GT4 a couple of months ago! There really is enough room in the valley that the tube can run through there without touching anything. Some "mechanic" evidently "fixed" a leaking rubber hose on the left side of the engine by shortening it, and pulled the tube down so it touched the intake manifold nut. My tube when removed looked exactly like yours. I had mine welded with an aluminum setup MIG by a tech at work. Heres a pic after repairs...
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  7. dino_bob

    dino_bob Karting

    Sep 27, 2012
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    #7 dino_bob, Oct 4, 2012
    Wow, thanks guys for all the pictures and good advice. I will get/ make a holder similar to the one in the picture, and also try to get a rubber boot for the bolt that made the damage.
     
  8. dino_bob

    dino_bob Karting

    Sep 27, 2012
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    Norway
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    Robert
    #8 dino_bob, Oct 6, 2012
  9. dino_bob

    dino_bob Karting

    Sep 27, 2012
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    Robert
    #9 dino_bob, Oct 12, 2012
    Fixed:) I got the pipe TIG welded, although I probably could have fixed it with some good epoxy. I also found out that Superformance sells these pipes in stainless steel for a reasonable price.

    Mounted the pipe with a P-Clip, same as Newto308 showed in the picture above, and put on some protective vulcanizing tape outside, just to be sure if the P-Clip should break. If you should be in the same situation I would recommend to first drain the coolant using the engine petcock. Just protect the area below with some plastic, and use a funnel.

    Thanks again for the help guys!
     
  10. Constance

    Constance Karting

    Apr 10, 2009
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    #10 Constance, Oct 13, 2012
    Last edited by a moderator: Sep 7, 2017
  11. Anthony bentley

    Anthony bentley Formula Junior

    May 20, 2006
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    London
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    Anthony Bentley
    #11 Anthony bentley, May 4, 2025 at 1:22 PM
    I’ve just had pipe start leaking, again looks like the spike type thing has rubbed through the pipe going down. I can’t get under the car yet as it’s on my drive at home, I’ve managed to squeeze the iPhone down there and get a pic. Any ideas what the offending article is?
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