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What is the purpose of the coolant bypass hose?

   
Old 03-13-17, 02:28 PM
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PFB
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Default What is the purpose of the coolant bypass hose?
2001 es300. I'm curious as to the purpose of the coolant bypass hose and where it terminates.

thanks
phil
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Old 03-13-17, 04:39 PM
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Allows coolant to bypass the thermostat. It goes from the 'stat housing to the water outlet (where the coolant cap is).
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Old 03-13-17, 04:51 PM
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Got it. Thank you
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