Can you add transmission fluid to diesel?
Can you add transmission fluid to diesel? No. While it may offer some cleaning inside your engine, you also risk damaging some components. There are a lot of different additives in different transmission fluids, none of them meant for combustion in a diesel engine. How do you check transmission fluid on a Duramax? The fluid level rises as temperature increases.Operate the transmission in DRIVE (D) until the. Pull out the dipstick and wipe it with a clean rag or. Push it back in all the way, wait three seconds. Safe operating level is within the HOT RUN band. If the...