Cm871 coolant out the overflow

[Rawze]

(11-26-2019 )Billcummins6 Wrote:  10-4 this is the 1st Cummins I have owned and got sold a line of bullshit. I have a good Cummins guy going to diagnose the motor tomorrow.

get the program copied out of the ecm and e-mail it to me while your at it. That would be a good place to start along with ...

pressurize the coolant system to 20 psi and let it sit over night with the oil pan off it.

and...

taking some pics of the exhaust side of engine and intake side and posting them here.