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Temperature?


Burl

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What do you think about this reading on the temperature gauge? Is this too hot? 90 degrees outside. Thermostat housing reads 195 degrees with an infrared thermometer. Original radiator (2 row) that I had power flushed last summer. This gauge reads the same with or without the air conditioning on. Temp from the AC vents inside got as low as 35 degree on the highway with R134.

The temperature did not drop on the highway and the car runs great. Just installed a new 180 thermostat. Advice?post-25129-14150824545262_thumb.jpg

Edited by Burl
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My 73 used to read this high until a local Z specialist did a 24 hr pressure test. He found a very small leak in the heater valve and replaced it. He also insisted on a Nissan thermostat. Now my car NEVER reads above half way, even on brutal 100 degree days in Virginia.

Hope this helps.

Peter

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So is 195 degrees at the thermostat housing too high?

If you measured that with a thermometer, yes, that is probably too high. The correct thermostat is Nissan part number 21200-V0105. You can remove the thermostat and test it. It should open at 170 degrees F (or is it 160?). Directions on testing are in the FSM.

Edited by SteveJ
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