Thermostat

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May 27, 2023 | 01:53 PM

Irtnog

Thread Starter

5th Wheeling

Joined: Feb 2016

Posts: 46

Likes: 4

From: Ocala

Thermostat

Last summer I developed a radiator leak 1/3 of the way across a dirt road pass in CO. There was no way to turn around so by the time I had gained the pass the temp gauge on the dash was pegged red.

However I have an exhaust temp gauge I installed and it never got above 950 F as we idled down the pass.

Now my dash gauge will not budge much above cold. Is my thermostat fried? Am I damaging the engine? Everything else is fine but not getting much heat in the cab.

Thanks in advance for your helpful feedback.

May 27, 2023 | 06:35 PM

apache84

Laughing Gas

Joined: Feb 2014

Posts: 817

Likes: 297

From: KY

Sounds like the thermostat is hung full open now. I dont believe EGT's and engine temp coolant wise relate to each other by any stretch as in your case.