2003 GMC Envoy Owner's Manual - Page 324

2003 GMC Envoy Manual

Page 324 highlights

Cooling System When you decide it's safe to lift the hood, here's what you'll see: V8 Engine A. Coolant Recovery Tank B. Radiator Pressure Cap L6 Engine C. Engine Fan If the coolant inside the coolant recovery tank is boiling, don't do anything else until it cools down. The vehicle should be parked on a level surface. 5-29

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