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Registered
Join Date: Oct 2014
Posts: 333
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Coolant bleed valve
When engine is up to temperature, the bleed valve is open, is this normal
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01-09-2019, 11:03 AM
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Registered
Join Date: Jan 2008
Location: NJ
Posts: 1,186
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yes, it is actually a vacuum break.
As the engine cools with the bail holding it up the tank can go to atmospheric pressure. That encourages trapped air to migrate to the tank and then out. With no bail engagement the shaft just rides up and down depending on pressure/vacuum in the tank.
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2013 991.1 Carrera S Cab 2004 996 Turbo CAB X50 sold 2003 996 cab 6 speed Sold 1972 RS 3.2 twin plug short stroke crank fire, roll bar, sold DE instructor since 1985 |
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01-11-2019, 06:40 PM
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