[DML] Coolant overflow

["sweetp01569" <paul.sweet@xxxxxxxxxxxx>]

After replacing my plastic bottle, a couple of main hoses, and 
cleaning my otterstat contacts a couple of months ago, I generally 
have no problems, except for a couple of instances, that strangly 
only occur when I pull into my driveway.  On two or three occasions 
coming home, I'll pull the car into my garage, then get out to 
witness hot coolant from my overflow on the floor.  It is a little 
foamy too as if it has been bubbling/boiling.  However, the drive 
from wherever I came from did not cause the temp gauge to exceed 190 
to 200 deg., based on the gauge. 

My road, however, is a steep incline about a mile long, ascending 
several hundred feet I am sure.  Does the strain of climbing my hill 
(in second gear) to my house push the engine just enough over the 
edge to bubble over  a little from overheating?  Or does the angle 
of climb affect this?  I am curious, as it has only occured in my 
garage coming home on three occasions. I've been on similarly long 
trips but never a problem to my destination - just coming home.

Thanks for any wisdom on this issue.

Paul






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