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Old 10-20-2011, 11:46 AM
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Help with a coolant leak...

Hey, all:

I suddenly have coolant leaking around the prominent rusty nut in this picture as well as where the old iron at the base of that bolt meets the shinier horizontal piece in the lower middle of the pic (you can see the dark stripe where it's wet if you look carefully.)

The obvious answer is to tighten that nut, but one of the washers under it has a tab that comes up along the side of the nut so you can't get a socket on it.

Does that mean I shouldn't be tightening it? Or am I thinking about this the wrong way and tightening it isn't the answer?

The truck's still drivable, but there's kind of a disconcerting amount of smoke coming from the engine when that coolant gets hot.

Thanks for the input. I'm obviously not an engine wiz. I've finished the body and interior, and this is the next thing I have to learn
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  #2 (permalink)  
Old 10-20-2011, 12:05 PM
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The tab is a lock to keep it from comming loose. To tighten it bend the tab down so you can wrench it. Often a banjo fitting like that uses a copper crush washer to seal both sides. If snugging it down dont stop it then replace them washers.
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