1999 Chevrolet Tracker Owner's Manual - Page 263
1999 Chevrolet Tracker Manual
Page 263 highlights
A CAUTION: Turning the radiator pressure cap the when engine and radiator are hot can steam allow and scalding liquidsto blow out andburn you recovery tank, you will badly. With the coolant at the almost never have to add coolant radiator. Never turn the radiator pressure cap even a little when the engine and radiator are hot. Radiator Pressure Cap -- -- Add coolant mixture at the recovery tank, but be careful not to spill it. * NOTICE: You can be burned if you spill coolant on hot engine parts. Coolant contains ethylene glycol, and it will burn if the engineparts are hot a enough. Don't spill coolant on hot engine. Your radiator capis a 13 psi (90 kPa) pressure-type cap and mustbe tightly installed to prevent coolantloss and possible engine damage from overheating. Be sure the arrows the cap on line up with the overflow tube on the radiator filler neck. 6-26