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Williams Collant system flush



  Merc 270 CDI
How easy is it to flush through the collant system on these engines. Looking to do this this weekend. Is this a simple job or not?
 
Remove front bumper (which is piece of piss)

Remove lower radiator hose

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Remove expansion tank

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Drain out coolant out

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Replace rad bottom hose temporary and place hose pipe into right hand expansion tank hose untill clear water runs out left pipe

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and vice versa

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With hose pipe still in left expansion tank pipe, I removed the top radiator hose

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Stick it all back together again and bleed your system once its upto temp
 


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