How much oil does a LMM take?
The maximum oil consumption for the 6.6L Duramax™ Diesel engine (RPOs LMM, LML and LGH) is 1.18 liter (1.25 qt) within 379 liters (100 gallons) of fuel used.
What oil does a 2008 LMM Duramax take?
GMC recommends SAE 15W-40 oil.
What type of oil does a 6.6 Duramax take?
10 Liters of German Synthetic RAVENOL SDT Super Duty Truck SAE 10W-40 Motor Oil – Licensed API CJ-4 and API CK-4 oil quality standards as recommended for the 6.6 liter Duramax diesel engine. Licensed as the first European engine oil by the API with the specifications API CK-4 and API CJ-4.