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Coolant expansion tank

  • 26-08-2012 10:53am
    #1
    washman3
    Registered Users, Registered Users 2 Posts: 3,646 ✭✭✭


    Hi all, has anyone got a suggestion for cleaning the inside of a coolant expansion tank.? changing the coolant/antifreeze on my car and there is a thin layer of soft brown gunge on the inside wall of the tank/bottle.
    Its quite easy to remove the tank but flushing with water makes no impact, i can clean what i can reach easily with a cloth. Powerwasher is not an option as there is a plastic indention 1 inch from the filler cap. Any ideas welcome.
    Thanks.


Comments

  • #2
    pa990
    Registered Users, Registered Users 2 Posts: 3,883 ✭✭✭pa990


    http://www.youtube.com/watch?v=jSJQEl5vcAo&feature=youtube_gdata_player


  • #3
    Nissan doctor
    Closed Accounts Posts: 8,223 ✭✭✭Nissan doctor


    I'd be more concerned as to where the oily stuff is coming from. Are you having cooling issues currently?

    What car is it?


  • #4
    washman3
    Registered Users, Registered Users 2 Posts: 3,646 ✭✭✭washman3


    No, its not oily at all. its a friends car (peugeot 207) which had a leaking water pump for quite a while, kept topping it up with water from a "hard water" area. very similar to what you get on the inside of a kettle in these areas.
    water pump replaced now and new coolant, just wanted to give the tank a clean look as the rest of the car and engine is mint.
    BTW, since first post another guy suggested i remove the tank, plug the ports, half fill it with hot water and dishwasher salt, replace the cap and shake vigourously. Repeated this a few times and actually worked very well.
    Flushed tank several times with cold water before replacing in the car.


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