Another coolant question?
I had a heater hose breakdown on I-10. The hose was changed out and 8 gals of a Chevron Extended life coolant was added on top of my Cummins Fleetguard Extended life coolant (system holds 11gals total...
Forum Discussion
The coolant added on the road was premix 50/50. So all is Ok. I have changed all the coolant hoses in the coach even the ones front to back, but have not had the coolant changed yet. I will have the coolant tested with my oil change next month. I'm still not sure if I need to flush and replace all the coolant! From most of the comments it sounds like it would be best to do so!!
