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10-06-2020, 03:21 PM | #1 |
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Location: Spruce Pine, NC
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Rex-a-co Temperature Gauge problem
Installed a Rex-a-co temperature gauge in our Town Sedan about 10 years ago.
When we bought the car back last month, the gauge is not working right. Stays at about 160 degrees whether stone cold or boiling over. Are these repairable or is it time for a new one? Any opinions regarding this brand or others?
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10-06-2020, 04:15 PM | #2 |
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Re: Rex-a-co Temperature Gauge problem
There are places that specialize in this type is gauge repair.
I haven't used one in many years though, so I cant recommend one. If your gauge has a long tube with a bulb at the end (I think so), its filled with ether gas. As the temp goes up, so does the pressure of the gas. So in reality, these temp gauges are actually specialized pressure gauges. The only failure mode I've ever seen on these systems is when a leak develops and the gas leaks out, which makes the gauge read at its lowest setting. It odd to hear that yours is stuck at 160, which makes me think it has a stuck gear in the gauge head. Good luck .
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10-06-2020, 04:52 PM | #3 |
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Re: Rex-a-co Temperature Gauge problem
Probably cheaper to just replace the unit with another repop. I use original Moto-Meters on the radiator caps on my 2 "A's".
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10-06-2020, 05:08 PM | #4 |
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Re: Rex-a-co Temperature Gauge problem
I had an inoperable one of those gauges repaired a while ago. It cost about the same as buying a new one. IMO, not worth doing.
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10-06-2020, 05:34 PM | #5 | |
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Re: Rex-a-co Temperature Gauge problem
Quote:
If you have an original Rex-A-Co, it may be worth it...but it depends on your level of commitment to preserving history.
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10-06-2020, 06:11 PM | #6 |
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Re: Rex-a-co Temperature Gauge problem
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10-06-2020, 09:40 PM | #7 |
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Re: Rex-a-co Temperature Gauge problem
If it is a Repop, I would get a new one.
Instead of a Rex-a-Co repop, I would buy a Stewart Warner, better quality and they will fit in the bracket. If you want to do a little work, try to find and old Stewart warner mechanical gauge that only goes up top 240 deg. instead of 265 like the new ones. You get better resolution and can tell more accurately what the actual temperature is but these are getting hard to find and almost always have to be repaired. My opinion, Chris W. |
10-07-2020, 08:06 AM | #8 |
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Re: Rex-a-co Temperature Gauge problem
I also have a Rex a Co, have not had any issues since install 7 years ago. Fellow club members told me the Stewart Warner guages are better, but either way it is best to check them for accuracy/calibration by putting the probe in boiling water, and checking the temp of the water with a IR Temp gun vs teh reading on the guage. Mine is off hot by 3-5 degrees.
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10-07-2020, 11:04 AM | #9 | |
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Re: Rex-a-co Temperature Gauge problem
Quote:
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10-07-2020, 01:07 PM | #10 |
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Re: Rex-a-co Temperature Gauge problem
thanks, katy.
I will check that before replacing.
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