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can you put water in the coolant reservoir?

45K views 17 replies 7 participants last post by  andy-sxi 
#1 ·
hi, i have a 1.2 sxi corsa c and just topped up some oil and water in the washers reservoir...however, i have notice an empty reservoir with a yellow cap and did some searching and it seems to be for the coolant?

My question (n00b question) ...can i put water in there as its empty or does it have to be something else like anto freeze?!

sorry about my ignorance, and thanks for your help
 
#5 ·
50:50 of water and antifreeze

Oh and never mix antifreeze eg pink with blue etc


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#18 ·
good tip is to flush the system; if you drain it (bottom left of the rad there is a valve that lets the coolant drain) and then flush the system with fresh water then re fill with anit freeze and water to the min mark

easy job and worth doing for winter
 
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