1993 GMC Suburban Owner's Manual - Page 291

1993 GMC Suburban Manual

Page 291 highlights

PO592 If thelevel is belowthebottom of thefiller plug hole,you'llneed to add somelubricant.Addenoughlubricanttoraisethe level tothebottom of the filler plug hole. What to use: RefertotheMaintenanceScheduletodeterminewhatkind of lubricant to use.See"RecommendedFluids and Lubricants" in theIndex. gine Coolant 6-25

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