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Temp gauge/overheating 120-130 1965

Condition: at idle, stuck at big city traffic lights, the temperature gauge rises beyond the center "ideal" zone and moves over to hot.
I replaced the thermostat and it still does it. Has been doing this since I purchased this vehicle in 2003. Turning on the heat makes a bit of a difference, but the gauge still creeps up.
Was told by a mechanic that the temperature gauge is not working properly and needs to be replaced, but that it is a single piece and costs US$500+.
Looked a bit on line and i recall reading that the line between the gauge is filled with ether gas.

Any suggestions on how to fix this more economically? Not many 122s in the junk yards around here.






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New Temp gauge/overheating [120-130][1965]
posted by  Beige but not boring  on Tue Oct 11 13:57 CST 2011 >


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