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07-01-2019, 09:20 PM
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#4 |
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Registered User
 Join Date: Dec 2013
Location: Dunwoody,Ga
Posts: 443
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Re: Radiator caps
I thought the coolant expanded when it got hot raising the pressure past the spring tension of the cap allowing coolant to escape to the recovery tank.
Then when it cooled down the pressure of the system dropped below atmospheric causing the coolant in the recovery tank to be forced back into the radiator. |
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