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Guest Message by DevFuse

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Stop Leak

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3 replies to this topic

#1 Sundance


    USMB Regular

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  • PipPipPip
  • 44 posts
  • North Dakota

Posted 21 January 2009 - 08:08 PM

I have a leak in a relativily new radiator in the 95
Legacy 2.2. At the tank/core interface.

It only leaks when really cold and never when warm.
The radiator pressure tests fine.

Apparently this is a common problem with plastic tanks
joined to aluminum???

My question is ............. are there any stop leak preps
that are good.



#2 bratman18



  • Members
  • 3,866 posts
  • Jefferson, Maine

Posted 21 January 2009 - 08:40 PM

I've used bars leak with good results. I wouldn't use it as a permanent fix but it seems to work pretty good

#3 Rooster2


    Subaru Master

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  • Indianapolis

Posted 21 January 2009 - 08:53 PM

ditto previous responder.......Barr's works well, just don't use too much of it. It can plug up your heater core if you use too much, as the tubing in the heater core is much smaller in diameter compared to radiator tubing.

I used something called Liquid Seal or something with a name like that a few years back. It will be on the auto parts shelf near the Barr's. It is a clear liquid in a see through plastic bottle. It worked well, and my mechanic spoke highly of it.

#4 The Scooby

The Scooby

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  • South Seattle

Posted 22 January 2009 - 07:26 PM

bye new rad???

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