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Best way to clean coolant header tank/bottle????



  172 cup
As above got a grubby header tank (internal). Tried running it through the dishwasher which didn't really work as there isn't great access for the water/cleaner.

Any other ideas, pref tried and tested so im not wasting my time
 

Daniel

ClioSport Moderator
  Whichever has fuel
Buy a new one. They make the engine bay look 100 times newer!
 
  330i. E30 Touring.
Half fill it with warm soapy water.

Pour half a cup full of rice in.

Block gaps. Shake. Done- it'll come up like new.
 
  172 cup
wow i thought that was a joke for a min until backed up by someone else. The soap being fairy or something like that? Will give it a go tomo
 
  Westy. MX5
Fairy Liquid worked for me. It just takes time, take the bottle off half fill with detergent and rice, sit in garden getting a tan and shake as long as you can, the more effort you put into it the cleaner it will be.
 
  172 cup
done this today, it worked a treat on the base but higher up the header tank where its sort of baffled it didnt do much. Any ideas how to get that off?? Any good products out there that would work
 


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