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s2 water return pipe

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Old 01-07-2014, 12:19 PM
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Marino
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Default s2 water return pipe

hey guys
I've a question.
it is normal that the water circulates in the return pipe only when the engine has warmed up?
Old 01-07-2014, 12:30 PM
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mk2grp1
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Hi water circulates through the radiator only when the thermostat is open
Old 01-07-2014, 12:51 PM
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but the return pipe is not on the radiator but on the thermostat housing
Old 01-07-2014, 12:56 PM
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that goes to your heater and back to the pump or header tank
Old 01-07-2014, 12:59 PM
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the 20mm pipe should flow all the time
the larger pipe to rad only flows with thermostat open
Old 01-07-2014, 01:07 PM
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I was talking about the pipe that start from the thermostat housing and ends up in the heather tank
Old 01-07-2014, 01:15 PM
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this pipe

s2 water return pipe-1350351995.jpg
Old 01-07-2014, 01:32 PM
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tiny top pipe only when hot,
it prevents too much pressure , we got there
Old 01-07-2014, 01:35 PM
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thx mate
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