Hey
I have a 2014 T680 with a 13 sp Paccar transmission. I noticed I was losing coolant but I didn’t see anything on the ground. And then it started pouring out the bottom of the transmission near the bell housing. I also have oil in the reservoir. What’s the connection here. Is it trans oil cooler causing the cross contamination. Any thoughts or suggestions.
Thanks,
Coolant leaking from the bottom of the transmission.
Discussion in 'Ask An Owner Operator' started by 1st50billion, Oct 3, 2022.
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Rideandrepair Thanks this.
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Do you know if your transmission is coolant or air cooled?
Just some ideas I would try.
Follow any hoses from your transmission to see if they connect to your cooling system.
Did you remove the inspection plug on the side of your transmission to verify coolant inside. There should be a drain plug lower in the transmission you could check for coolant there.
Did you look above the bell housing for leakage? -
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Use the magnifying glass to search your problem, top right of page.
Many recommend deleting the coolant and install an air-cooled system.
First you should drain your transmission. Your own diagnosis is probably correct.
Good luckRideandrepair Thanks this. -
If its not coming out the housing vent and the oil in the transmission is not milky, its not going to be a cooler failure. I'd look and see if you can see coolant leaking from above the transmission or back of the engine.
xsetra Thanks this.
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