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Old 08-09-2016, 02:38 PM   #11
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Had overheating problems on my 04 Duramax in July on I 80. New fan clutch, radiator flush, new long life fluid and all is well

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Old 08-09-2016, 02:46 PM   #12
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Good suggestions above. Also, replace radiator cap.

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Old 08-09-2016, 03:41 PM   #13
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I would try a radiator flush. It could work and it will not cost much.
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Old 08-09-2016, 06:48 PM   #14
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have a radiator shop check the radiator over. some times the fin material that is between the water tubes in the radiator lose contact with each other resulting in poor heat transfer. when this happens to enough of the radiator fins it can't reject enough heat to keep the engine cool.

Hope This Helps Tim
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Old 08-09-2016, 08:56 PM   #15
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If it is only overheating going down the road and not when its sitting still. That means radiator is stopped up. It may need to be taken apart and cleaned or replaced.

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Old 08-09-2016, 08:57 PM   #16
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Originally Posted by Louisiana Irishman View Post
Ok traveling toward Seattle right now just a bit east of Denver. I'm pulling my 02 Salem 28.5 with my 03 2500 HD Silverado. Over heats & dies this is after a new Thermostat & water pump
Stuck on RV spot in Hudson Co.
What's wrong...?
That's a bad sign. Give us more info. Gas or Diesel 2500 HD? Running a tuner? Did it overhead to the point of dying while towing? How hot did it get? Any codes or check engine light? Did this problem come on suddenly or has the truck been running hot anyway and just started to really overheat? Did this start IMMEDIATELY after the new pump and thermostat or were those done in an attempt to correct the overheating? Did you add cold water to the very hot engine when it overheated? Gas or diesel is the big question. Completely different diagnostic processes.
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Old 08-10-2016, 06:00 AM   #17
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Lots of good suggestions here. No one has mentioned a potential collapsed radiator hose. And any OBDII codes being displayed? Radiator have a history of regular service? Paper / plastic lodged in front of radiator?

Any other symptoms? Does the oil look like it may have water (fluid) in it? Any engine miss firing or loss of power?
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Old 08-10-2016, 07:22 AM   #18
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Thanks fo information guys
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Old 08-10-2016, 10:44 AM   #19
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Please be kind and post the fix.
Thank You
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Old 08-11-2016, 04:30 PM   #20
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Did you get this worked out? I am interested to know what the problem was.


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heating, truck

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