Running cold

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Mar 26, 2009 | 12:17 AM

#11

ToolManTimTaylor

Diesel Enthusiast

Joined: Jan 2009

Posts: 138

Likes: 8

From: Ct~Ish

Quote:

Originally Posted by Dieseldog92

My 92 d-350 has been running cold for a couple weeks. The temp gauge will barely lift off of c no matter how long i run it. And the heater wont work. I was thinkin it could be the thermostat or heater core?

Quote:

Originally Posted by Greg G

did you also check the level in the radiator? If you happen to have a leak in the cooling system and loose antifreeze. A low coolant level will do the same thing.

Quote:

Originally Posted by Dieseldog92

My water pump leaks so im constantly adding coolant. Im sure it is the thermostat

Ummmmmmm .... Double take here. Yeah by looking at the posts the first reaction is ...

. However I am willing to bet A: Airbound, B: Hung open from Sediment or hard water/anti freeze mix.

When you do replace the t stat AND WATER PUMP ...

make sure to either buy pre mix or mix with distilled water for long trouble free service.

Mar 26, 2009 | 12:20 AM

#12

94cummins12v

Diesel Bomber

Joined: Jan 2008

Posts: 4,525

Likes: 103

From: Havre mt

screw the mix just run concentrate, im runnning ful concentrate in my truck 4.5 gallons of it. i have replaced 5 t-stats in my 12v in the last 6 months, they just dont last. im going to get my next one directly from cummins