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Old 02-11-2013, 11:57 PM   #1
KevsWRX21
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Member#: 220326
Join Date: Aug 2009
Chapter/Region: MWSOC
Location: Powell,Ohio
Vehicle:
2002 WRX JDM STi 2.0
WRB

Default Please help! Coolant Pressure Leak!!!!

So spent the last few weeks working on my 02 wrx, I swapped a 04 jdm sti motor in her. Everything seems to be fine but one small issue. The small coolant line coming off the left top side of radiator keeps over pressurising and leaking when motor is warmed up....Any ideas why? Thanks. Its a brand new cms aluminum radiator.
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Old 02-12-2013, 12:00 AM   #2
novacivic
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Join Date: Jun 2006
Chapter/Region: NESIC
Location: Rochester, NH
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2005 sti
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Because it under pressure like it is supposed to be. It balances the radiator and tank. Put a clamp on it
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Old 02-12-2013, 12:27 AM   #3
KevsWRX21
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2002 WRX JDM STi 2.0
WRB

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tired clamps then it still finds its way out, are you sure on my old motor never had any pressure in it
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Old 02-12-2013, 12:51 AM   #4
moxynoff110
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Location: Lima, OH
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2002 WRX

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Check to make sure your radiator cap releases at the correct pressure. There could be a defect on your new radiator as well.
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