Quote:
Originally Posted by Sapientoni
Welding is the proper repair, and can possibly be done with the engine in the car with the proper prep of the vehicle electronics. That being said, I once repaired a cracked Mercruiser 140 inboard. It is a 4 cylinder (half of a Ford 460 c.i.) with aluminum block that was cracked between a couple of the cylinders. I veed out the crack and JB welded it. I was doing this for the owner who didn't follow advice on how to nurse a leaking heat exhanger. Anyhow, I used the JB and it held to my surprise. I thought the aluminum expansion would crack it again the first time it got to operating temp. The damage you have is probably not a highly stressed area, it's a support area. Put the big bucks into the IMS bearing.
Best of luck to ya'.
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I would never attempt to weld this up with the engine in the car; you simply cannot get it clean enough and totally free of oil to get a decent weld, and you would need to isolate all of the car's electronic systems before welding.