[s-cars] Testing after run relay and after temp sender urs6

[Sean Douglas]

There is no easy way to test the switch that I know of. The coolant 
temperature needs to be very hot, over 100 degrees celcius I believe to 
activate the switch. I suppose you could drop it in boiling water and see if 
it switches at 100.

Someone was looking into a generic lower temp switch made by Behr sp?, but I 
don't remember seeing a post on it.

I ended up bypassing the factory coolant switch and installed a air temp 
switch from a different model Audi. I mounted it on the exhaust side of 
engine, just above the downpipe. I find that now it comes on about 75% of the 
time. Before this, it never came on.

Cheers,

Sean




Quoting iain.atkinson at tesco.net:

> Folks
> 
> is there anyway i can test these 2 individually??? My after run system
> doesn't seem to work even after a hot run, if i touch the 2 wires on the temp
> sender it kicks in, so i know the pump and fan run.
> 
> Thanks
> 
> 
> Iain
> 
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