Factory Coolant Gauge Readings

theDreamer

Below is the "wonderful" factory gauge we are given which has zero real information. Yesterday I decided to figure out what the information is.

The blue area range is 0°F to 228°F
The orange area range is 228°F to the end

Individual dot ranges:

1. 0-132°F
2. 132-138°F
3. 138-143°F
4. 143-149°F
5. 149-152°F
6. 152-158°F
7. 158-222°F
8. 222-228°F

Most cars will spend there time on dot 7 when warmed up, and also why it looks like the gauge never moves because it is such a huge area. I would estimate that once you get to dot 8 or 9 it returns back to being 5-6°F differences between dots but it might be less. I was not able to go above 228°F yesterday.

Attached Images

Coolant Gauge.jpg (63.8 KB, 488 views)

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SouthArk370Z

Thanks for going to all the trouble to run the test. Makes me wonder why Nissan even bothered to install the thing.

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theDreamer

That, and the fact that dot 7 is such a HUGE range where all the others are 5-6 degrees. I would rather it sit at dot 1 until say 150 then move ever 10, that way we get some idea of real range or temp changes.

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SouthArk370Z

Yeah. I could understand it being non-linear near the extremes but, IMNSHO, it needs to be linear and "high-resolution" in the operating range.

I have a ScanGuageII on the dash that I use for monitoring water temp.

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jwick

At least y'all have something. The G just moves the arm to the same place representing within normal parameters.

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Limeybastard

Weird that most cars sit in the middle. This was the first thing I noticed with this platform.

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Nixlimited

I hate that whole portion of the gauge cluster. It's pretty JV. They should have used a screen there so we could have more dynamic feedback, or at least leave the gauges analog to match the others.

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theDreamer

All digital would have been good, allow a few options to be displayed on the screen, such as coolant temp, oil pressure, etc.

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phunk

good post

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megalapagas

I've gotten it all the way to Dot 14 till POOF vars shuts off from over heating, fixed the issue though Scary... :/

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Super Werty

Wait, is it really that cold in Texas right now? lol

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Elan

To match our BEAUTIFUL fuel gauge of course!

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SouthArk370Z

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theDreamer

I had to sit in dead stop bumper to bumper traffic for 30 minutes once for a freeway accident (18 wheeler) and 105°F. Got close to the red area, quickly just pulled off and let the car cool down, glad I have a vented hood now.


I stole the picture from AK or a press release I think, I wish it was this cold. I get in the car in the morning and it is already 89°F at 6AM.

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L33T Z34

Yeap! LOL! Pr3++y scary 2 c the OEM gauge show d0t 7 on 102+ °C on the meter! Get y0 'self a w4ter T3mp gauge s00nest! LOL!