1993 GMC Jimmy Owner's Manual - Page 245

Whenyoudecide it's safe to lift the hood, here'swhat you'll see: A. Coolantrecoverytank B. Radiatorpressurecap C. Enginefan If the coolant inside the coolant recovery tank is boiling,don't do anything elseuntil it cools down. , ". 7 P KO624 p I Thecoolantlevelshould be at or abovethe ADD mark. If it isn't,youmay havealeak in theradiatorhoses,heaterhoses,radiator or waterpump or somewhereelse in thecoolingsystem. C A I IfInN Heater and radiator. hoses, and other engine parts, can be very hot. Don't touch them. If you do, you can be burned. Don't run the engine if there is a leak. if you run the engine, it could loose all coolant. That could cause an engine fire, and you could be burned. Get any leak fixed before you drive the vehicle... I NOTICE If thereseems to be no leak,starttheengineagain to see if thefanruns off the whentheenginedoes. If it doesn't,yourvehicleneedsservice.Turn engine. 5-1 1