1996 GMC Savana Van Owner's Manual - Page 203
1996 GMC Savana Van Manual
Page 203 highlights
Steam and scalding liquidsfrom a hot cooling system can blow out and burn you badly. They are under pressure, and if you turn the pressure cap even a little they can come out at high speed. Never turn the cap when the cooling system, including the radiator pressure cap, is hot. Wait for the cooling system and radiator pressure cap to cool if youever have to turn the pressure cap. -- --
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