2008 Ford F-150 Q&A

2008 Ford F-150 Question: What causes exhaust manifold bolts to break?

Does a warped exhaust manifold cause the bolts to break or does the bolts breaking cause the manifold to warp? We are have an issue with the warranty department. -
Answer 1
repeated heating and cooling -
Answer 2
Defective materials or improper assembly. -
Comment 1
Wonder what motor this thing has? -
Comment 2
It's a gasoline/green jelly hybrid I believe.......never mind.... -