Temp issues - Dodge Cummins Diesel Forum
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post #1 of 8 (permalink) Old 12-24-2015, 09:13 AM Thread Starter
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Temp issues

I searched and could not find any one with these same issues. I have a 2014 2500 with the 6.7 approx. 52,000miles. Yesterday I am sitting in a drive thru for longer then normal and I check the temp reading. It slowly starts to climb. Never over heats but gets to about 208. Funny thing is oil temp rises also. Finally leave and both temps drop back to normal. To me this would be a fan clutch issue, but the story continues. On way home from work I notice that every time I take off, the temp rises real fast to about 205 then drops back to 190-192 almost immediately. Any ideas before I take it to dealer?
I never noticed this until yesterday so I don't know how long its been going on. Thanks

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post #2 of 8 (permalink) Old 12-24-2015, 11:23 AM
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our trucks have 3 intercoolers so they tend to cool things down once you take off. the temp is normal....trust me I live in Yuma where it stays 120+ during the summer and my truck never got above 210. no worries brother.
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post #3 of 8 (permalink) Old 12-24-2015, 12:27 PM Thread Starter
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Thanks, this is my second diesel and my first Cummins. The other I hate to say was Found On Road Dead!!! I was concerned about the rapid temperature change, but from where you live I believe you 100%. Thanks for the info and Merry Christmas from the hot muggy bayous of Louisiana!!
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post #4 of 8 (permalink) Old 12-24-2015, 01:14 PM
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Your fan clutch comes on around 217 .
Your thermostat is working perfectly. .
You shouldn't worry about it. ....

2016 4x4 3500 Laramie CCLB LOST MY EXHAUST SO I HAVE AN 18 INCH RESONATOR AND EGRDELETE.. ALSO HAVE EFILIVE BY PPEI 3.42 rear ,68 trans TUNED BY PPEI
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post #5 of 8 (permalink) Old 12-24-2015, 01:46 PM
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merry Christmas to you to brother....and welcome to a real diesel
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post #6 of 8 (permalink) Old 12-24-2015, 01:51 PM
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Quote:
Originally Posted by pro185 View Post
Thanks, this is my second diesel and my first Cummins. The other I hate to say was Found On Road Dead!!! I was concerned about the rapid temperature change, but from where you live I believe you 100%. Thanks for the info and Merry Christmas from the hot muggy bayous of Louisiana!!
Howdy neighbor,I'm in the Crowley area

2012 3500 drw 4x4 Laramie HO 68rfe CTS for guages,Anarchy EFI with trans tune,with a knob, COMMUNIST emissions on strike, 4" Proflow,, homemade air filter bug guard,custom rock guard behind grill , ccv delete,B&W hide a ball,,150 k of towing and climbing : Please Remember to support those who have sacrificed:
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post #7 of 8 (permalink) Old 12-25-2015, 10:23 AM Thread Starter
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Thank you for the responses, Merry Christmas to all and hello to Tony in Crowley, I live North of Baton Rouge.
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post #8 of 8 (permalink) Old 12-25-2015, 01:56 PM
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Tstats are 203-205. Fan is usually programmed at 215 but it takes a while to engage (it's a viscous drive with electronic control so think of kind of like a torque converter) The engine oil is also cooled by the coolant - oil/water heat exchanger right behind the oil filter mount. Your temps are totally fine, well within normal. The auto trans has its own entirely separate system. The EGR also rejects heat into the coolant and is the usual source for sudden rises unless you're really putting load onto the engine. That's also totally normal.

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