Most vehicles are equipped with a coolant reservoir tank (expansion tank) connected to the radiator by a small hose. When the engine is cold, look through the plastic tank; the fluid level should be between the FULL and Low lines. If the level is too low, remove the reservoir fill cover and add the proper mix of coolant until it reaches the FULL mark.
| Fig. 1: Cutaway view of a typical cooling system flow
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| Fig. 2: Coolant overflow tank full and low level measurements
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| Fig. 3: Pull the cap and suction tube out of the coolant
overflow tank to top off the cooling system
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| Fig. 4: Fill the engine coolant overflow tank to the
FULL line
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