Quote:
Originally Posted by wgilmore
I hope that the temperature on the gauge was correct and did not indicate a temperature lower than the actual temperature due to the air space in the head. My concern is that if the air pocket was sufficiently large, it may have reduced the liquid contact area on the sensor and give a false low reading.
The sensor for the temperature gauge is in the water neck of the upper radiator hose and think the sensor in the head is for the EDS .
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The sending unit provided the proper temperature of the coolant at the location of the sending unit. If air is trapped in the head, the temperature of the aluminum at the location of the trapped air is significantly higher than the temperature at the location of the sending unit.