Sundance Posted January 22, 2009 Share Posted January 22, 2009 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. Recommendations??? Thanks Quote Link to comment Share on other sites More sharing options...
bratman18 Posted January 22, 2009 Share Posted January 22, 2009 I've used bars leak with good results. I wouldn't use it as a permanent fix but it seems to work pretty good Quote Link to comment Share on other sites More sharing options...
Rooster2 Posted January 22, 2009 Share Posted January 22, 2009 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. Quote Link to comment Share on other sites More sharing options...
The Scooby Posted January 23, 2009 Share Posted January 23, 2009 bye new rad??? Quote Link to comment Share on other sites More sharing options...
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