The coolant in your 2002 Chevrolet Silverado can degrade over an long epoch. When the coolant degrades or debris builds up, the coolant cannot exertion as efficiently to preserve Correct engine temperature. Provided that happens, the idea is to withdraw the existing coolant and change it. Chevrolet recommends that you appliance a concoction of half antifreeze and half Disinfected douse when you add original coolant to your Motor lorry.
Instructions
1. Grant the engine in your Silverado to nipping completely. The radiator is under grand compel when the engine is at operating temperature.
2. Airy the hood of your Motor lorry and remove the fill cap from the radiator. Set the radiator remove plug at the design of the radiator on the Chauffeur side. The withdraw plug Testament be aloof up from the backside on the engine side of the radiator.
Replace the radiator drain plug and tighten it securely. Pour clean water into the radiator until it is nearly full. Remove the radiator drain plug and allow the water to drain out. This flushes remaining debris and buildup from the radiator. Use a wrench to loosen and remove the radiator drain plug.
4. Allow all of the coolant to drain from the system.3. Position a extract pan underneath the drain plug on the radiator. The pan should be large enough to hold several gallons of coolant.
5. Replace the radiator drain plug and tighten it with a wrench. Fill the radiator with the coolant mixture.
6. Start the engine with the radiator cap off. Allow the engine to run until it reaches normal operating temperature. Add coolant as the level drops. This process works the air out of the system and replaces the air bubbles with coolant.
7. Allow the engine to cool completely, then top it off with coolant if necessary. Replace the radiator cap and tighten it securely.
