Cleaned out the Radiator today.
646,000 on the 2013 Chevy 3500 SRW diesel, figure it was time to pull radiator because changing fan clutch. It's near impossible to clean out while in truck. The truck still did not get hot like...
Forum Discussion
FishOnOne wrote:
Just an fyi the latest API CK4 Mobil Delvac 1300 has reduced Phosphorous and Zinc so it can be both gas and diesel rated compared to the previous API CJ4 which had higher Phosphorous and zinc.
Good information, I looked up the specs and it meets API SN, so I don't want it in my diesel engine.
