Factory Coolant Gauge Readings
 

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.

http://www.the370z.com/attachment.ph...1&d=1403010685

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

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.

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.

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

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

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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.

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

good post

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

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

To match our BEAUTIFUL fuel gauge of course! :rolleyes:

:inoutroflpuke:

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.

:bowrofl:
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. :shakes head:

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! :eek: