The temperature gauge of my 63 Eldorado does not work properly.
It goes slowly all the way up and stays there, while the true temperature is around 155-160 F (water in the radiator and/or the top of the thermostat housing).
Where should I start to solve the problem? The gauge itself, the temperature sensor, or the wiring? Or something else? The sensor is a new (aftermarket part) and the thermostat worked fine when I tested it in a saucepan.
Many thanks
-Samu
Comment
That is good news, Bob. I ordered 5 and will do a comparison with the original I have in my car.
Jason.
It recently bought an ACDelco temp sensor from Rockauto https://www.rockauto.com/en/moreinfo.php?pk=343530&cc=1320309&a...
It is working like it should, reading the temperature correctly.
That is good news indeed. Now, if they would only start reproducing the correct replacements. The list if defective replacement parts is growing!
Better late than never:
I finally plugged in the good used temp sensor bought from Jason, and the problem is solved.
The temp gauge stayed now at the lower 1/4 mark. The weather was allready quite cold (~35 degrees Fahrenheit), but with the previous sensor the gauge went up whatever the outside temperature was.
That test drive was the last one for this season. Case closed and a good start for the garage season.
-Samu
As Chris noted, most new temp sending units (at least the ones from China) are mis-calibrated and give a false hi reading. I have a good used sending unit that gives a resistance in the correct range I have seen for good sending units over the years for $20. I only have the one for now and the demand has been growing. I can ship to US destinations for $10 for a total of $30. If you want it, shoot me an email to jasonedge@nc.rr.com.
I was just talking about this with Jason the other day as my car is doing the same thing. The new temperature sensors can be junk straight out the box. I believe Jason might have an extra used original one. I just ordered one from him yesterday.
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Many thanks,
-Samu
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