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1999 BMW 323i Question: Hairline crack on plastic part of radiator where upper hose connects.

 

Question

Rainmann, North Kingstown, RI, November 17, 2011, 19:47
 Rookie

Very small amount of antifreeze leaks from crack when car runs, then stops when is turned off. Car has never overheated.

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  • Answer #1

    lwl53 November 17, 2011, 22:26
     Enthusiast

    I had the same issue, and as I fixed one crack another would appear. Best option is to replace the radiator.

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    Rainmann, November 18, 2011, 12:04
     Rookie

    I do plan on eventually replacing radiator, but can't right now. What can I use as temporary fix?

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    lwl53, November 21, 2011, 07:57
     Enthusiast

    I used JB Weld and allowed it to dry overnight. The cracks I patched never leaked again. Can purchase JB Weld at Wal Mart and it is not expensive. Mix and apply like you would epoxy.

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