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Hard Brakes in Deep Snow!


	I hope this has not been a recent thread but here goes.
	I own an '87 4000csq.  In deep snow the brakes seem to get 
rock hard.  I then have NO modulation in the brake system.  If I 
push REAL HARD the brakes will lock up, otherwise no braking at
all.  As you can imigane this puts a damper on winter quattro

	I also have another unrelated problem.  I did notice a 
thread on heating problems.  I just joined the list so I am not
fully informed on the thread.  However I to have "Cold Heat" from
my quattro.  The engine never seems to heat up.  The temp needle
doesn't even get to the first mark on the gauge.  I have tried 
cardboard on the radiator trick with no luck.  I have replaced
the thermostat twice.  Both times I checked the thermostat in hot
water and the old and new both seem to work according to specs.
Is there some kind of by-pass that allows the coolent to flow by
the thermostat?  If so how does this work?  

	An interesting point.  A friend of mine has an '84 4000q
and has the exact same two problems.  Are these normal problems?