2002 GMC Yukon XL 2500 SLE 8 Cyl 8.10L
accessive oil consumption
my suv : 8 cylinder 8.1 l getting oil consumption about every 800 m. 2.5 quarts from oil change.no smoke .no engine noise.just keep adding oil.after 3000 m i change oil.oil is not getting dirt or color much black.some say but a catch can.pls guide me for best solution
GM actually has a TSB for the oil burning issue for the 6.0L and it might help out on the 8.1L, it simply states to change the PCV valve. It's a cheap enough fix for those if you don't want to fight with the dealer over it.