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Cooling system

Tiny
ROCKIE WIMER
  • MEMBER
  • 1995 SUBARU LEGACY
  • 2.2L
  • AWD
  • AUTOMATIC
  • 300,000 MILES
My car is leaking coolant when it is not running. I found the leak and there is a crack in the plastic piece that the lower radiator hose is connected to. I just replaced the radiator and the hoses. What is that plastic piece called? How do I fix it? And why does it only leak when the engine is turned off?
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Tuesday, July 18th, 2017 AT 1:02 AM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
It will be the thermostat housing. The leak will be there all the time under pressure, when the engine shuts down, heat sink can raise the system pressure a little and you may notice the leak more at that time.
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Tuesday, July 18th, 2017 AT 5:30 AM

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