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FJR Motorcycle Forums
Technical & Mechanical Problems
Coolant Leak
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<blockquote data-quote="Constant Mesh" data-source="post: 1339909" data-attributes="member: 615"><p>I could be wrong but I don't believe coolant can move from the expansion tank back to the radiator if the radiator cap isn't installed correctly.</p><p></p><p>There won't be a vacuum to move the fluid back.</p><p></p><p>You can probably verify if the cap is installed correctly by simply running the engine until the fans start and then shutting the engine off.</p><p></p><p>There should be a movement of hot coolant from the radiator to the expansion tank. And then as the liquid cools you should see the coolant migrate from the tank back to the radiator.</p></blockquote><p></p>
[QUOTE="Constant Mesh, post: 1339909, member: 615"] I could be wrong but I don't believe coolant can move from the expansion tank back to the radiator if the radiator cap isn't installed correctly. There won't be a vacuum to move the fluid back. You can probably verify if the cap is installed correctly by simply running the engine until the fans start and then shutting the engine off. There should be a movement of hot coolant from the radiator to the expansion tank. And then as the liquid cools you should see the coolant migrate from the tank back to the radiator. [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
Coolant Leak
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