Operating Temps?

Stiemy · 11-13-2009, 02:39 PM

Hey guys I am new to Diesels and was just wandering what the normal operating temps were? I am talking engine coolant of course. Mine runs around the 180 - 185 degree area is that normal? Sorry for the noobie questions but I have only had gassers in the past that run around the 200* mark.

**JuniorDiesel** · 11-13-2009, 02:49 PM

Yep, that's normal. Mine was around 185-189 yesterday when I drove over 300 miles.

**ob_1jr** · 11-13-2009, 02:54 PM

Yep that is what mine runs in the winter...in the summer i do see 210 until the thermostat opens up.

Stiemy · 11-13-2009, 04:34 PM

Thanks for the input fellas I appreciate it.

Night Owl · 11-13-2009, 04:38 PM

what is everyone amp gage showing ? not to trying to change the subject! mine shows around 16+ is that normal?

**Johnasara** · 11-13-2009, 04:46 PM

16 is too high. It should be around 14 to 14.5

Night Owl · 11-13-2009, 05:40 PM

so a new alternator?

Ridin'GMC · 11-13-2009, 05:46 PM

Quote:

Originally Posted by tpb1976

so a new alternator?

Pretty much. The voltage regulator is failing to do its job. It's built in the alternator so you pretty much can't rebuild it like back in the old days you can replace a voltage regulator or a diode.

Night Owl · 11-14-2009, 03:22 PM

checked the amp gage today it is 2-3 marks past 14.

GMC25HD · 11-14-2009, 05:01 PM

I run at 185 all day so you are right were you need to be