1993 GMC Safari Owner's Manual - Page 270
1993 GMC Safari Manual
Page 270 highlights
Service & Appearance Care Whenusingaconcentrated instructions for adding water. Don't mix wat solution to fre 7f the washer uid I 1 I I :ill yourwasher fluid tank only 314 fullwhenit'sverycold.This Brake Master Cylinder Your brake master cylinder is here. I t is filled with DOT-3 brake fluid. There are only two reasonswhythebrakefluidlevelinyourmastercylinder mightgodown.Thefirstisthatthebrakefluidgoesdowntoanacceptable level duringnormalbrakeliningwear.Whennewliningsareputin,thefluid of thebrake level goesbackup.Theotherreasonisthatfluidisleakingout a leakmeans system. If itis,youshouldhaveyourbrakesystemfixed,since that sooner or later your brakes won't work well, or won't work at all. 6-32