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Mazda 2 Coolant expansion tank repair

  • 23-12-2009 10:50pm
    #1
    mobby
    Registered Users, Registered Users 2 Posts: 1,168 ✭✭✭


    Does anyone know if its possible to repair the coolant expansion tank on a Mazda 2. I have a leak about half way up the tank and its spraying out over the engine it about the size of a match head. anyone got a quick or temporary fix?
    Of all times for this to happen.:(


Comments

  • #2
    colm_mcm
    Registered Users, Registered Users 2 Posts: 73,478 ✭✭✭✭colm_mcm


    stick a self tapping screw with a rubber washer in there?


  • #3
    DublinDilbert
    Registered Users, Registered Users 2 Posts: 5,391 ✭✭✭DublinDilbert


    mobby wrote: »
    Does anyone know if its possible to repair the coolant expansion tank on a Mazda 2. I have a leak about half way up the tank and its spraying out over the engine it about the size of a match head. anyone got a quick or temporary fix?
    Of all times for this to happen.:(

    Ummm i'd probably chance using some fiber glass resin + a small fiber glass patch... roughen up around the hole with some sand paper first. I done a temporary repair on a pipe like this and its still there 13 years later!

    You could also try melt it, but i'm not sure how that would work. There's a place on cuningham road in Dublin that offers plastic welding services, but don't fancy your chances of getting anyone there tomorrow.


  • #4
    colm_mcm
    Registered Users, Registered Users 2 Posts: 73,478 ✭✭✭✭colm_mcm


    Is the hole where the 2 plastic halves of the tank are joined?


  • #5
    mobby
    Registered Users, Registered Users 2 Posts: 1,168 ✭✭✭mobby


    colm_mcm wrote: »
    stick a self tapping screw with a rubber washer in there?

    Might give that a try many thanks.


  • #6
    colm_mcm
    Registered Users, Registered Users 2 Posts: 73,478 ✭✭✭✭colm_mcm


    just be careful that the hole isn't on a join in the plastic. forcing a screw in there may make the crack bigger. otherwise fire away!


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  • #7
    mickdw
    Registered Users, Registered Users 2 Posts: 23,466 ✭✭✭✭mickdw


    It will be pressurised im sure so the repair will need to be pretty good.


  • #8
    [Deleted User]
    Posts: 0 ✭✭✭ [Deleted User]


    If the repair fails you can loosen the expansion tank cap to minimise the pressure in the system. This will keep the coolant loss at minimum. In the cold weather there is next to/minimal/zero risk of the system boiling over.


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