cooling system flush, whats best?

[stevepeanut]

Just had a replacement radiator turn up this morning, so while fitting that I want to flush the cooling system. Is it best to just bang a hose in it? or use one of the flushing products? and would I be best doing the radiator before its put into the car?

[john_3.0s]

garden hose always works for me, make sure you do the heater matrix too. you will be amazed whats comes out! normally takes a good 5 mins until it starts to run clear. then take the hose off and flush it thorugh the other way and a load more crap will come out! bit messy tho, and the rust will stain your drive way so be careful where you do it!

[stevepeanut]

garden hose always works for me, make sure you do the heater matrix too. you will be amazed whats comes out! normally takes a good 5 mins until it starts to run clear. then take the hose off and flush it thorugh the other way and a load more crap will come out! bit messy tho, and the rust will stain your drive way so be careful where you do it!

 

I better be carefull then, I already got blue paint allover the drive