Use a good sealer. I think GM has one that is a round disc. After running it then give it a good flush. Napa has an expoxy weld that you could put on the outside as well. Maybe grind a small V in the crack. You might drive it for years and never have another problem. My crack had been welded before I got the truck and still leaked a little so I used a good sealer and have had no problems since. Worth a try since junk yard motors might leak as well.
Last edited by 58GMCanuck; 08/10/2009 10:36 AM.
