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Serious Hot Coolant Smell

Bdrayton1

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2020 Ram with 9,300 miles; vehicle has had dealer oil and tire rotation service 3 times based on on time since I haven’t had driven enough miles. Temp ran at <200 since new and all summer long, about 2 months ago I noticed a burning coolant smell in the garage and saw temp averaging 206 with occasional spikes to 221 (on 28-31 degree days). 3 wks ago when I went for normal oil service I asked them to check. They told me there was no leak but added nearly a gallon of coolant and charged me for it as well. Went back 10 days ago, pressure tested and still found no leak. Now the dealer says they have ordered a new radiator which was due in on 12/6 but have not heard anything yet. I’m pretty rural and almost afraid to take it anywhere worrying about getting stuck with an overheating truck in freezing weather and in an area with little traffic and spotty cell service. (Then to top it off, our 2020 Cherokee with 13,000 miles, purchased on the same day as the Ram, just shut off out on the interstate tonight, so we had to have road service pick it up and take it to the same dealer!) These are the first Chrysler products that we have ever purchased, so not off to a good start.
 

mikeru82

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The fact that they are replacing the radiator means that you have a leak. You should get a refund for the anti-freeze they made you pay for since it was caused by a faulty part, and it's still under warranty.
 

SD Rebel

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Just to mention, your higher temps are not unusual, your truck should cycle between 200F - 220F pretty normally without a load, occasionally to 230F under long idle. With a load, they can go up to 240F.

It's sucks you got that leak in the radiator, because otherwise you shouldn't have to ad coolant on these trucks. I had my truck for over two years with occasional towing and long idles in 100F summer days off-roading in the canyons for hours, with my coolant at 230F during those heavy times, I have yet in those two years had to add any coolant. My coolant level since new is at the full max in the reservoir.
 

Jako

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Just to mention, your higher temps are not unusual, your truck should cycle between 200F - 220F pretty normally without a load, occasionally to 230F under long idle. With a load, they can go up to 240F.

It's sucks you got that leak in the radiator, because otherwise you shouldn't have to ad coolant on these trucks. I had my truck for over two years with occasional towing and long idles in 100F summer days off-roading in the canyons for hours, with my coolant at 230F during those heavy times, I have yet in those two years had to add any coolant. My coolant level since new is at the full max in the reservoir.
I had to add.
 

SD Rebel

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2 year plus mark (currently 3 years), 18-20 K. I had the smell also at times. Have not added since and currently don't notice an odor.

Gotcha, maybe a small leak and enough calcium or what not filled the leak.
 

Stephenlaplaca

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I got the same issue as everyone here. After driving the truck long or short distances. When I walk around the front of the truck after shutdown, I get a very strong smell of coolant. It’s a 2019 bighorn, 5.7. I’m getting the drivers side mirror replaced, when the dealership calls me to let me know it’s been painted. I let them know that it has a strong odor of coolant. I can update afterwards if anyone is interested?
 

FarmerJohn

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Been searching the forum for this issue, due to a strong coolant smell at the front of the vehicle while idling in my driveway this morning. I pulled the truck out of the garage so I could load up things to haul away from the house. Being winter time and not daily driving the vehicle, I started it and let it run for 5 minutes or so while I loaded the truck. When I got to the door to get in, I noticed the smell. I had noticed it once before when I washed the truck but assumed I may have gotten soapy water on the radiator and just caused the smell that way.

One of the search results mentioned that over-filling the reservoir would cause the smell due to pressurization and subsequent overflow. Good idea, since I may have done that prior to winter preparations (checking fluids prior to the season).
Posting just to say, I smell it too and I want to follow along on this thread.

Merry Christmas!
 

KrustyKush

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Possible also to have a leaky heater core. I had a brand new GM Yukon that had a coolant stink inside the cab. Heater core. Quite a job to replace it.
 
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what did the issue end up being? my 2019 has a strong coolant smell along with the windows getting a film on the inside and a visible fog/mist through the vents. I strongly suspect the heater core.
 

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