The temp guage rarly goes over half way so no not overheating but i rarly do more than 10miles at a time so not to say it wouldent overheat given chance just seams to want to overpressure
No sign of water escaping anywere but its lost about 1/4 of a cup over 30miles of city driving so not much but it is loosing
If the water pump is leaking from the shaft seal it can be very hard to spot. You sure that the heater O rings are not weeping?
 

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