Re: Water Pump Question 1940 - 110

Posted by Owen_Dyneto On 2014/6/15 11:14:09

As many techniques for this problem as there are folks who have faced the problem, or nearly so. Heating the broken bolt end with a torch while tapping lightly to break the rust and trying a vise-grip is one that has worked well for me if there is enough left protruding to grip. Another is to weld a nut to the remaining end of the bolt. If the remaining end is too short to get a grip on or weld a nut to, filing it off flush and drilling it is another method. I DO NOT recommend using an easy-out as if it breaks off (and they do it all to often) they you are really stuck as easy-outs are extremely hard (and brittle) steel. Keep drilling with successively larger drills until you just approach the threads, then you usually can pick the remainder out with something like a dental pick. Just make very sure you start the first drill DEAD CENTER.

PS - Remember when reinstalling to use gasket shellac on the threads as they go into the water jacket. Also note which bolts use a copper sealing washer under the head - you should be also able to identify these by the recess on the pump casting.