Coolant level in expansion tank
Okay bit of numptie question

I know as the engine heats up, coolant expands, and the little white tank provides extra storage for the expanded coolant.
But what should the level be? I checked the coolant expansion tank level after a 35min run (more or less straight away) and it was below the minimum line (about an inch below the min line), i thought it would have been between the min and max???.
When stone cold, more or less empty??
Thanks

I know as the engine heats up, coolant expands, and the little white tank provides extra storage for the expanded coolant.
But what should the level be? I checked the coolant expansion tank level after a 35min run (more or less straight away) and it was below the minimum line (about an inch below the min line), i thought it would have been between the min and max???.
When stone cold, more or less empty??
Thanks
You will find you need to top up from time to time. The expansion tank is not really sealed as such and it can get warm under the bonnet. If the expansion tank has been empty check the rad when cold and make sure it's full.
Originally Posted by aldfort,Apr 6 2009, 08:15 AM
You will find you need to top up from time to time. The expansion tank is not really sealed as such and it can get warm under the bonnet. If the expansion tank has been empty check the rad when cold and make sure it's full.
Will be doing this, good job I did my engine checks that i do from time to time, i had a look in the rad and its fine. Expansion tank just needs topped up.
Cheers
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Originally Posted by S2000_FUN,Apr 6 2009, 08:47 AM
Just saw that you have to mix Honda antifreeze collant 50/50 with water
. I was always using only Honda antifreeze and not mixing with water 
. I was always using only Honda antifreeze and not mixing with water 
My aunty put full water in the tank a few month back, let a bit escape then put coolant in.
Maybe worth dilluting.




