manifold noise due to small crack in the 4.7L engine.

Asked by geogripp Sep 16, 2012 at 10:08 PM about the 2006 Jeep Commander Base 4WD

Question type: Maintenance & Repair

Does a small crack in the manifold harm the engine if not fixed?

1 Answer
1,700

bmeck answered 12 years ago

If it's the exhust manifold that has the leak it should not harm the engine, but it may cause you to get some troble codes and the check engine lite may come on.If it's the intake manifold well that a different story. you may start to over haet the engine and loose coolant from the cooling system

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