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Discussion Starter · #1 ·
I've got an exhaust leak at the manifold that I need to address. These are the original factory manifolds (67 Cougar with a 289) along with original hardware. Any suggestion on which product (WD-40, etc.) to put on these rusty bolts/nuts to get them off without breaking?


Thanks for your assistance.



AB
 

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Assuming the bolts are stuck. Apply liquid wrench LIBERALY! Wait hours or apply the day before. Saturate again before loosening. Do what FE says. And if The bolt won't come loose easily, I always lighten it just a bit then loosen it. Take your time.

If the leak is with the bolts just not tightning, and always loosening. then I always put on 2 nuts with lock washers. That always does the trick
 
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