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CA Elky Jun 30th, 99, 1:57 PM What makes the thrust bearings go bad? I've heard a couple of different theories, so I figured I'd ask the experts http://www.chevelles.com/forum/smile.gif. I've heard lack of oil, "balooning" of the torque converter, the converter not being installed right in the first place and several others as well. TIA-Amanda plain 69 Jun 30th, 99, 8:09 PM If you use a hammer on your harmonic balancer to try to make it go over the crank that will force the crank into the thrust bearing area. I did that once and the crankshaft counterweights were actually hitting the main caps and the main crank saddles in the block. It was scrap iron. I bought an installer after that. I was really stupid. BillK Jun 30th, 99, 8:23 PM Amanda, Here is a pretty good tech bulletin from the AERA (Automotive Engine Rebuilders Association) web site. It may help explain some of the possible causes. http://www.aera.org/tech/tb1465r.htm Hope this helps, ------------------ Bill Koustenis Advanced Automotive Machine Waldorf Md 1971 Heavy Chevy - original owner Team Chevelle #100 | ||