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  1. 3rd Gen. Non-Powertrain
    Yesterday my work truck started to run hotter than normal. I checked the coolant and it was full. I ran it and made sure there weren’t any air bubbles. The temp reached 200 and the thermostat didn’t open. I drained the radiator, washed all the coils and changed the thermostat. I drove the truck...
  2. 2010-2012 Non-Powertrain
    2011 Dodge 3500 6.7 full EGR delete. Did not upgrade HG bolts at the time. July 2021 the water pump pulley sheared off while hauling. Replaced water pump and seemed good to go. Drove cross country in September and towards the end of the trip it began overheating. Shop pressure tested and said no...
  3. 2013-2018 Powertrain
    Hey friends, Plain and simple... But maybe not. I'm currently driving across provinces, just outside of the Rockies. I decided to head up a mountain today with my 30fter (huge mistake, didn't research the route) to go on a hike and long story short I brought my trans up to a whopping 260f...
  4. 3rd Gen. Non-Powertrain
    I got in to take off this morning and truck went from 140° to 220° in the blink of an eye. I coasted back home and changed to a new thermostat I had and added the slightest bit of coolant it was missing. My question is regarding the fan. I have read multiple people say it should only run when...
  5. 2010-2012 Powertrain
    Hey y’all, I just finished doing a 2nd Gen swap on a 2012. Encountered a problem last night with the heater not working. This morning driving to work (babying it) after about 10 minutes on the highway temps were at 245+ and when I finally pulled off the engine bay was slightly smoking and had a...
  6. 3rd Gen. Powertrain
    Hey guys, I installed a new fan clutch about a month ago. It was working great until about the last couple weeks.. It hasn’t been kicking on when I’m on the freeway and sometimes driving around town. Ill watch my temp sometimes get to 217 degrees and I’m not even towing anything. This is a daily...
  7. 2010-2012 Non-Powertrain
    Hey guys, hoping to get some insight. Had an older 5.9 that was very basic and never had many issues. Upgraded a few years ago to a 6.7L and they're great but all these new electrical systems for EPA regs are killing me. Truck is past warranty @145K, use it for work mostly so it isn't deleted...
  8. 2019+ Non-Powertrain
    2020 ram 3500 dually crapped out on me. It’s overheating. At highway speeds it’s fine, but as soon as I hit traffic or stop completely, it purges all coolant in the reservoir and starts smoking. No water in the oil and no white exhaust. Might be a stuck thermostat. I’m in Yakima, Washington...
  9. 2010-2012 Non-Powertrain
    2011 ram 2500 6.7 124,500 miles well maintained. I have had the truck since 24,000 miles. Has 5" dpf back exhaust and edge cs2 programmer usually in tow K&N filter . ATS pan and Derrell 32 pass transcooler with fan Overheats at idle 220+ and slow speeds some times or after a few minutes , ac...
  10. 3rd Gen. Non-Powertrain
    Not long ago I bought a 2007 dodge ram cummins 5.9 24v And I drove into a puddle of water at a decent speed and what happened was my fan wire got pushed into my fan, so it got chewed up Then I bought a new fan and installed it but for some reason when I go downhill my engine gets cold and when I...
  11. 911 Urgent Situations
    I have. 91.5 intercooled 12v cummins. Just started over heating a few days ago so I flushed the radiator and no luck, I then replaced the thermostat and water pump. Still over heating. No signs of oil in coolant or coolant in oil so I’m pushing out head gasket. Rad was blown out of all debris...
  12. 07.5 - 09 3rd Gen 6.7L Powertrain
    This 07 is new to me. Owned less then a year. Pulled a heavy lumber load, moving at 65mph down the highway, it got warm, not hot. Once I hit town, with traffic and 45mph. it got hot. Pulled over to let engine fan cool it off. It did not. peaked at 236, shut off and let cool before moving on...
  13. 2013-2018 General Discussion
    I am a new owner of a 2011 Ram 3500 6.7 Cummings. I am having an overheating problem. I understand I bought a used truck, but here is some background on what I have already tried. New waterpump, thermostat, thermostat housing, headgasket, machined /rebuilt head, new radiator , new radiator cap...
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