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super_camper's avatar
super_camper
Explorer
Jun 22, 2013

Engine noise and broken exhaust bolt (updated with pics)

My Jayco class c is on a 2006 E450 with 60,000 miles. On the last two trips I noticed a new noise. It's really just louder engine noise and is linked with the engine RPM. Funny thing is it only occu...
Class C
dawsty's avatar
dawsty
Explorer
Jun 24, 2013
Give it a shot of "liquid wrench" and let it soak in for several hours.

eric1514 wrote:
If the bolt is broken off evenly with the outer edge of the manifold, you may not have to remove the manifold. Very careful drilling and an EZ-Out should remove the remaining portion of the bolt. The bolt is under no stress right now and should spin easily.

Experience doing this is helpful, but if what you describe is true, it's not a tough job.

Many Good Lucks,
Eric

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