The bolt that is 22m is under the EGR block. The 2 hex nuts are on the engine side of the block that the EGR attaches to. The lower bolt just caused a exhaust leak sound. The other two hex bolts being loose caused all the other issues.


Quote Originally Posted by JHarris1385
So this screw is directly underneath the egr? I think this is my problem too. My truck if not normally supposed to sound like this, sounds more diesel iv noticed......