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Coolant capacity reduction with by-passed rear heater

Posted: Sat Jul 24, 2010 12:13 pm
by Ron Miel
Anybody know how many litres in the cooling system, with a by-passed rear heater matrix? Kirsty?

Re: Coolant capacity reduction with by-passed rear heater

Posted: Sat Jul 24, 2010 1:30 pm
by missfixit70
If you're just bypassing it, virtually nothing, the matrix itself is only @160ml :shock: so it depends on what pipework you've added/removed. By blanking the heater supply & return & removing mine completely along with the metal pipe across the back of the engine for the heater returns & 3 hoses, it was a total of just under 600ml - http://www.igmaynard.co.uk/bongo/forum/ ... 0&start=45
It certainly shouldn't affect the system in any way if you're bypassing.
I knew someone'd want to know that one day :oops: :lol:

Re: Coolant capacity reduction with by-passed rear heater

Posted: Sat Jul 24, 2010 8:10 pm
by Ron Miel
Thanks Kirsty. Mine's just by-passed across the ends of the existing rear hoses, as I plan to restore the dud matrix this coming winter. Meanwhile, there's a coolant change to do next week, so I wanted to make sure it should still take about 13 litres once all the air's out. The copper pipe used as a by-pass link must hold approx 100-200 ml, so that's fine then - no change.