Quote:
Originally Posted by suginami
but how do you explain the fact that his low speed aux fan is not on? They are on at low speed whenever the a/c is used, which is basically all the time. The HVAC system always has the a/c engaged, except when using the EC button.
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Sorry, Paul, but that's not true. Low speed aux fans only come on when refrigerant pressure is above the set point. On my M119, aux fans generally do not come on when ambient temps are below 80 degrees F even with AC on.
I'm with buckwheat - I would wonder about how "good" the water pump is. They are known to have impeller problems, so they can still pump coolant but not as efficiently as they should. As I recall, this is a particular problem with aftermarket pumps, but even OE ones can eventually wear.
The fact that coolant temps are getting to the point that they are really seems to point to inadequate coolant circulation.
11-18-2006, 08:37 PM
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