F 250 2WD LD Pickup V8-4.6L SOHC VIN 6 (1997)
Radiator Cap: Description and Operation
The radiator cap:
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Seals the cooling system.
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Relieves excess pressure in the cooling system.
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Provides an increase in pressure to increase coolant boiling temperature to prevent overheating.
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Is mounted on the radiator coolant recovery reservoir.
