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Old 02-27-2014, 04:25 AM   #1
Scooby Newbie
Member#: 354532
Join Date: Apr 2013
Chapter/Region: Tri-State
Location: Long Island
2004 STi

Default Cooling system issue/question

I have an 04 sti and just had my radiator replaced, brought it to a shop for the sake of time and bc all the snow we have been getting slammed with here and I don't have a garage. They replaced the radiator cap as well but i dont know what the psi rating is for the cap and now maybe two weeks after getting the radiator replaced I'm getting a leak by where the ower radiator hose meets the radiator. havnt gotten to look at it closer bc Mother Nature is raping us sideways in New York . I founda thread but can't seem to find it again that had all the info on the stock cooling system
What's the psi of the radiator cap and upper coolant res. cap?
Looking online all I'm getting is that sti oem cap that's like 1.3 bar and I know that's too high and can cause issues. And of course the cap they put on doesn't say anything on it. If they put on a cap that has too high of a rating it can cause the radiator fail right?
Getting ready to just freaking replace everything myself.
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Last edited by A7x411; 02-27-2014 at 04:37 AM.
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Old 02-27-2014, 12:12 PM   #2
Daniel wrxTR
Scooby Newbie
Member#: 300014
Join Date: Nov 2011
Chapter/Region: SCIC
Location: Upland, ca
2007 wrx



the thread you were probably looking for.

High pressure caps can sometimes cause the plastic end tanks in the oem radiator to fail.
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