What is the purpose of the coolant bypass hose?
#1
Lexus Champion
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2001 es300. I'm curious as to the purpose of the coolant bypass hose and where it terminates.
thanks
phil
thanks
phil
#2
Lexus Fanatic
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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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