Coolant or antifreeze problems

Coolant or antifreeze: Green or pink-colored liquid specifically designed to be used inside of the engine as a refrigerant.
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Coolant Loss

RAM 1500 2003 4.7L Crew Cab 203000 miles
Coolant is disappearing from the reservoir immediately as I fill it, No visible leaks from the truck anywhere. I'm not seeing milky oil when checking it so i don't believe it's a head gasket issue, I have no idea where my coolant is going. When i start the truck it sits on cold on the temp gauge for a good few minutes without moving then quickly shoots to overheating.
Scr1bble from United States a year ago  
SC
8 reports 
Javb69 from United States 6 months ago
I have noticed the same on my 2015 eco diesel, I put a new radiator cap on because I thought I was loosing it there, but after about 6 months my reservoir was virtually empty. Help is much appreciated. (Btw it is not leaking through the head either)
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Ram 1500 smell coolant

RAM 1500 2013 5.7l longhorn 110000 miles
I smell coolant in the cabin
Gork from Canada 10 months ago  
GO
1 report 

P 2681 will not reset

RAM 1500 2014 Pickup truck 172841 miles
I have a P2681 code that I cannot reset. The 3way coolant bypass valve and thermostat has been changed, what next?
Chalie from United States 2 years ago  
CH
6 reports 
Joe25 from United States 4 months ago
Did you ever find a fix
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Coolant odor

RAM 1500 2022 Larimie 67000 miles
Coolant odor with no leaks.
AJFN from United States 4 months ago  
AJ

Cooling fan failure

RAM 1500 2015 3.6l ram 1500 138000 miles
I’ve replaced all relays fuses engine coolant sensor coolant temperature sensor and the fan itself it will come on once in a great while when the truck isn’t even warmed up but never to keep it from getting hot
Kory from United States 9 months ago  
KO
2 reports 
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