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Coolant Leak - Sealer Products.

  • 18-03-2009 4:48pm
    #1
    Drax
    Closed Accounts Posts: 512 ✭✭✭


    Hello All,
    I've recently found a pool of coolant underneath my car (1999 Octavia TDi) and the coolant reservoir level is quite low now. I have tried to find the source of the leak but having trouble. I can see drops falling from underneath so it is running down by the gearbox/engine block. I can see a small puddle on top of the gearbox but above that I can't find any damp patches. All hoses seem dry. I am going to take it in soon.

    Just as a temp measure, has anyone tried any of the 'Stop Leak' products which mix with the coolant and supposedly seal cracks. I have purchased something called 'Tomac Radiator Stop Leak' but at the moment I am reluctant to use it as I'm afraid it will gunk up something else? It says its fine on the can. Just wondering if anyone has had any success with any of these type of products?

    Cheers.


Comments

  • #2
    cianclarke
    Registered Users, Registered Users 2 Posts: 1,389 ✭✭✭cianclarke


    Wow, wierd.. I was going to ask the same thing - my car is currently leaking coolant under pressure, but in my case about 1/2 a litre at a time, not at all holding it! So +1 to the above, I'm just hoping it's not head gasket or the likes...


  • #3
    Johnboy Mac
    Closed Accounts Posts: 646 ✭✭✭Johnboy Mac


    Advise you find the leak and get it repaired correctly. Not a fan of any type of stop leak as they don't fix the problem.


  • #4
    Anan1
    Registered Users, Registered Users 2 Posts: 22,815 ✭✭✭✭Anan1


    Johnboy Mac wrote: »
    Advise you find the leak and get it repaired correctly. Not a fan of any type of stop leak as they don't fix the problem.
    +1


  • #5
    cnocbui
    Registered Users, Registered Users 2 Posts: 20,226 ✭✭✭✭cnocbui


    +2


  • #6
    crosstownk
    Registered Users, Registered Users 2 Posts: 12,863 ✭✭✭✭crosstownk


    Johnboy Mac wrote: »
    Advise you find the leak and get it repaired correctly. Not a fan of any type of stop leak as they don't fix the problem.

    +3.

    Best to get it fixed correctly. Check the coolant hose junctions that are mounted to the cylinder head - they can crack and leak.
    Untitled Image




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  • #7
    Nonoperational
    Registered Users, Registered Users 2 Posts: 7,401 ✭✭✭Nonoperational


    I think they can have a place if its a very ver small leak. Used one myself and seems to have solved it.


  • #8
    Run_to_da_hills
    Closed Accounts Posts: 20,009 ✭✭✭✭Run_to_da_hills


    Break an egg and into the rad cap is an old trick.


  • #9
    Drax
    Closed Accounts Posts: 512 ✭✭✭Drax


    Run_to_da_hills wrote: »
    Break an egg and into the rad cap is an old trick.

    Haha... I heard this one. Can you try it on your own car for me first? :D


  • #10
    turnsoutIwas
    Registered Users, Registered Users 2 Posts: 286 ✭✭turnsoutIwas


    I posted the same question on a BMW forum and pretty much everyone said only use it if the car is on its last legs. It can easily cause more problems like a blocked heater matrix or worse.

    Best bet is find and fix the leak.


  • #11
    Drax
    Closed Accounts Posts: 512 ✭✭✭Drax


    Cheers for the replies lads. I might chuck that can of gunk in the bin :)


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