1993 GMC Safari Owner's Manual - Page 250

1993 GMC Safari Manual

Page 250 highlights

Service & Appearance Care KO704 What Kind of Oil to Use: Look for three things: SG SG mustbeonthe oilcontainer,eitherbyitselforcombinedwithother SF, SG, CC,etc.These qualitydesignations,suchasSG/CC,SG/CD, lettersshowAmericanPetroleumInstitute(API)levelsofquality. SG designation,youcancauseengine If youuse oils thatdon'thavethe damagenotcovered by yourwarranty. 6-1 2

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