This is a 2018 International LT.
I've got a Cummins X15
Just this week, and never before, I have a coolant leak that I cannot find.
I smell coolant both under the hood on the passenger side and in the cab.
There is no coolant smell to the exhaust or residue there.
I've lost over over 2 gallons in about 10 days and can't find. It's not dripping that's why not dripping as far as I can tell.
My food first fear when I noticed low coolant was an EGR cooler. But every time I've ever had that problem I didn't smell coolant and I found residue.
The curious thing is that my most recent time checking the level it was below the minimum cold level and raised slightly above the minimum cold level when I took the cap off.
The oil has been checked and there is no apparent Coolant or water in the oil. And the level of the oil has not risen.
I'm sure heavyD will chime in with something brilliant.
The invisible coolant leak.
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Bugsy1108, Jan 19, 2022.
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