Engine Mechanical problem
1992 Buick Lesabre 6 cyl Two Wheel Drive Automatic 150000 miles
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we cant get the harmonic balancer bolt out to repair front main seal leak

Either you drop the starter and jam the flexplate or use a long breaker bar brace it properly underneath-clear out of the way and crank engine over this will loosen it-or you can try an impact wrench-

rasmataz wrote:

Either you drop the starter and jam the flexplate or use a long breaker bar brace it properly underneath-clear out of the way and crank engine over this will loosen it-or you can try an impact wrench-

also be careful of the crank sensor