Cummins X15 engine missing coolant with not noticeable leaks and stains internal problem

[@yeyo6335]

Is it normal when coolant drops to the "minimum" line but then later rises back up to the "max" line?... can you provide info of your shop. Thanks

[@jorgefacio690]

i think its normal. that happens to my truck too. level drops when I'm home on my days off, then goes back to normal once the engine fully warms up.

[@kennyestrada4168]

Yes, normal my 2020 kenworth x15 does the same thing,

[@Seewhy4]

Good video

[@kennyestrada4168]

My 2020 kenworth t680, x 15 EGR cooler started leaking @450 k miles, just 1 quart every 3 weeks, I replaced it @530 k miles,

[@kennyestrada4168]

There was wet spot on outside the inlet of egr cooler and white coolant drop on the exhaust manifold from the egr valve and differential pressure sensor

[@NoName-cy7nl]

Tiene sed el camion

[@adpeace137]

Do your shop have a contact number