Bottom end failures Bottom end failures Mike1994 (Marine/Ocean) (OP) 28 Mar 17 04:19 How you all doing I am having a problem with an engine and will like someone's help. I have a bolt out of a Conrad that came loose from an engine and destroyed the bottom end I will add some pictures off the Bolt. Any ideas would be appreciated. http://files.engineering.com/getfile.aspx?folder=0163d9de-076b-417a-967a-eb RE: Bottom end failures MikeHalloran (Mechanical) 28 Mar 17 16:38 Use Loctite on the replacement. Mike Halloran Pembroke Pines, FL, USA RE: Bottom end failures Mike1994 (Marine/Ocean) (OP) 29 Mar 17 01:31 It is at work turn bolt you torque into 110 newton meters and then give it a 90-degree turn RE: Bottom end failures desertfox (Mechanical) 29 Mar 17 12:00 Hi Need some close up's of the bolt but it looks to me as though the thread on the bolt as sheared or was tightened in cross threaded “Do not worry about your problems with mathematics, I assure you mine are far greater.” Albert Einstein RE: Bottom end failures chicopee (Mechanical) 31 Mar 17 20:38 Are those square threads on that bolt as they seem to be when looking at the bottoms portion of the bolt in the attached picture? RE: Bottom end failures dicer (Automotive) 11 Apr 17 20:40 Is it the correct bolt for the application? Long enough? What engine?