Wed Jun 4 10:21:13 1997 - Message No. 992
From: Pierre DEBRAS

Subject: Re: Cooling liquid replacement intervals


I don't know the exact reason why to change coolant each two years. I
guess it's the same reason as for oil ...

I've a look in my workshop manual. There is nothing complicated about
changing coolant liquid, except that you MUST use coolant for aluminium
engine. They say you can use 50% *DISTILLATED* water and 50% ethyl glycol.
They do not specify the torque for the drain plug, but I would suggest
sthing like 2 mkg (it's a light tightening, if you don't have a dyn.
wrench). They only say to replace the gasket if it leaks. They also
suggest to drain old liquid, fill with water, drain the water, then fill
with the new liquid. They emphasize NOT to use demineralized or, worst of
all, tap water, event if you just need to adjust the level. If you were
obliged to use tap water, you need to replace the liquid as soon as
possible, 'cause ... he, look inside your coffee machine.

They also explain how to check the the thermostat and the thermoswitch of
the cooling fan. But this will be for the next time.

And, by the way, do you know you also need to change the brake fluid every
two years ?

You were wondering what to do the next rainy week-end ?
Pierre



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dipper@normans.isd.uni-stuttgart.de