engine antifreeze
2007 Holiday Rambler with a 325 cummins engine, what type antifreeze should I use in the radiator? Pulled some out of the overflow container and it seemed to be a green color. This antifreeze has ne...
Forum Discussion
wolfe10 wrote:ScottG wrote:
Green fluid is wrong and can cause damage.
There absolutely ARE some green "approved" coolants for diesels. Most are the old-chemistry "low silicate with added SCA" type. With these, the SCA concentration needs to be checked annually and new added per test results.
From Cummins/Fleetguard pdf. Page 14 Fleetcool is green.
https://www.cumminsfiltration.com/sites/default/files/LT36504_Coolant_Products.pdf
Of course there are some green fluids meant for some diesels - but not the OP's.
His particular engine stipulates OAT and a specific Cummins spec number (CES) that the green stuff, even that made for some diesels by Fleetguard, doesn't.
And you picked the wrong Fleetcool. The OP's engine uses Fleetcool EX/ES formula, which is pink and was the original fill in back then.
