Coolant levels in header tank

paz

Active Member
Hi All,

On the way to work today I was seeing some high water temps - nothing dangerous but higher than normal.

I've checked my coolant at work and it seems to be down slightly. Unfortunately I've got a replacement forge header tank:

http://www.forgemotorsport.co.uk/content.asp?inc=product&cat=120101&product=FMHTGTI


And I can't see any markings etc for how high the coolant should actually come in the tank. Can someone give me an idea where it should come upto in simple terms i.e. half way up, 5 cm below top of cap etc?

Cheers

Paz
 

stumo

Active Member
You should fill the tank to half full when the engine is cold and the radiator has been topped up.

The level will go up and down as the water heats up and cools down.
 
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