exhaust manifold problems
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Old March 10th, 2009, 12:00 AM   #1
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exhaust manifold problems


We had a noise when the engine was cold that sounded to me like lifter noise. It turned out it was a cracked weld in the right exhaust manifold. After I took it out I could see evidence of leakage between two of the flanges that bolt up to the head and the pipe. When the manifold heated up it apparently sealed again. I replaced both exhaust manifolds and the noise is gone.

This is apparently a common problem on V6 Mustangs, so it's a good idea to check the manifolds if there is a loud rapping noise when the engine starts from cold.
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