1993 GMC Safari Owner's Manual - Page 217

leak in theradiatorhoses,heaterhoses,radiator,waterpumporsomewhere else in thecoolingsystem. I CAUTION Heaterandradiatorhoses,andotherengineparts,canbeveryhot. Don'ttouchthem. If you do, youcanbeburned. Don'truntheengine if thereis a leak. If youruntheengine,itcould loseallcoolant.Thatcouldcauseanenginefire,andyoucouldbe burned.fixed you Get beforethe any leak drive vehicle. I NOTICE I If thereseems to be no leak,starttheengineagain to see if thefanruns I itdoesn't,yourvehicleneedsservice.Turn f off the whentheenginedoes. engine. How to Add Coolant to the Coolant Recovery Tank If youhaven'tfound a problemyet,butthecoolantlevelisn'tatorabove FULL, add a 50/50 mixture of cleanwater (preferabledistilled)and antifreeze at the coolant. recovery tank. (See "Engine Coolant" in the Index formoreinformationaboutthepropercoolantmix.) a proper 5-1 1