3.0 VM EcoDiesel Oil Requirement has Changed
Looks like the engineers of the VM 3.0 EcoDiesel has changed the oil requirement to a API CJ4 5W40. You may want to consider this change on your next oil change. Copy/Paste Engine Oil We recommen...
Forum Discussion
ShinerBock wrote:Bionic Man wrote:
Why would this increase the maintenance cost???
I thought the old recommendation was for regular 15w40 like almost all other diesels take. Going from that to a synthetic requirement would make the maintenance cost increase.
Yes but your cousin was using an oil that wasn't specified and some exotic 5W30 Euro oil is was ram specified until now.
Having said that running 15W40 probably isn't hurting a thing, but if it was me I would try a 5W40 just to see if it would improve the mpg.
With the new API CK oil coming out at the end of the year there will be lower viscosity oils coming to market just like the gas engines are now running lower viscosity oils.
