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Testing for electrolysis in new radiator

Posted: Mon Sep 11, 2006 11:05 am
by nickw86au
Hi guys,

I've just replaced my radiator in my '89 sierra as it had a crack up the top where the hose joined to the tank. (details here http://www.outerlimits4x4.com/PHP_Modul ... 733#899733 ) - I figured that it was pretty old anyway, and so just replaced it.

In the instruction booklet it said to check for electrolysis by connecting the a meter to the -ve terminal on the battery and dipping the +ve probe into the coolant. I don't have a meter that is able to test the small currents involved (0.05V, or 50 millivolts). Is it worth

a) buying a meter to check it
b) going to the local autoelectrician and getting them to check it, or
c) dont worry about it cause it was just a crack and probably caused by shaking around in a swb leaf-sprung car?

Thanks for you replies

nick.

Posted: Mon Sep 11, 2006 4:41 pm
by RaginRover
go to bunnings and buy a meter - they have ones for $6 in the electrical section - it is a bit of gear you need.

Tom

Posted: Mon Sep 11, 2006 8:04 pm
by Oscars
yep get a multimeter as they are very handy, and if u dont no what u are doing just go to a auto elect and ask them to check for u as it takes 2 secs, they shouldnt charge u, i wouldnt.

Posted: Mon Sep 11, 2006 8:15 pm
by nickw86au
Thanks guys, I have got one, but it's digital one that only goes down to 200mV... might just get one an analogue one

cheers,

Nick

Posted: Mon Sep 11, 2006 9:06 pm
by ausoops
thats just the range setting, that setting increases sensitivity so you should be able to pick up 0-200mV no worries.

Posted: Tue Sep 12, 2006 10:28 am
by nickw86au
oh, ok. cheers. Will have another go at it.

Nick