Question is, what is the problem, is the car getting hot, they are
supposed to be hot.
Between 82 and 110 Celsius is operating range, at 110 the aux fan should
come on as a last line of defence. At 82 the thermostat opens a bit and
coolant really starts to flow.
Normal driving should be 82-85 depending on outside temp, in traffic it
will creep up but should come down again reasonably quickly.
If you are not getting that sort of behaviour there may be a problem and
yes a crook viscous coupling can be part of this problem.
My view is that Daimler-Benz know a bit about cars and engines (I
believe they had something to do with the invention of them but not
sure), sure the self proclaimed expert who wrote a book about one
Daimler-Benz model probably knows more than Daimler but I'll stick with
what the idiot engineers at the factory think.
However I would be happy to rewire the aux fan to come on at 90, more so
to get extra air flow through the condenser.
Hendrik
who had nothing to do with the invention of the horseless carriage or
internal combustion engine
On 08/03/13 12:44, Dan Penoff wrote:
Ahhh, so the pin comes out, allowing you to fill through the hole it is located
in. Got it.
I'm not terribly keen about modifying the bimetallic strip, no matter what Stu
says, despite wanting to do everything I can to keep the temps down. I will
probably just try and fill it as much as I can and live with that - worst case
scenario would be that the fan is on when it's cooler, which isn't a big deal.
I am planning on doing the resistor addition to the aux fan circuit as well.
That should help with under hood temps, too.
No problems with cooling, just wanting to get ahead of the seasons down here so
it runs as cool as possible, that's all.
Going to the stealership tomorrow to pick up a couple of gallons of the new
blue coolant. Found my former parts guy is still there and willing to sell to
me at very good prices. A gallon of coolant lists for $31, my price is $23.
Nice.
Dan
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