Question about 1986 Audi 5000 CS

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Exhust manifold leaking

This use to stop after engin would warm up. However, now it is leaking all the time. leak shifted from front of manifold to far rear. I placed some thread locker in the front stud for 1st fix. I was able to put my hand on the cold engin and feel the leak at the far rear. However, it appears impossible to get any std type of wrench on the rear stud nuts. Can it bee done??

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These are nasty manifolds... they are prone to failure at any or all of the weld points due to the extremely high temperature that they are repeatedly exposed to and must cool off from. Sadly, the manifold is retardedly difficult to replace and match correctly to the engine's head so it is best to replace the head and manifold in a pair from the same donor car. These manifolds are nearly impossible to repair, especially due to the location of the studs, etc. good luck man

Posted on Oct 04, 2008


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