POT HOLE OR SPEED BUMP CAUSES JEEP XJ/ CHEROKEE RIGHT MOTOR MOUNT ENGINE BOLTS TO SNAP CAUSING FIRES AND FLOPPING OF ENGINE ON IT'S SIDE. MY XJ HAS FAILED 4 TIMES SINCE NEW MANY ON THE WEB HAVE HAD THE SAME PROBLEMS. I FOUND 30 ON ONE SITE THAT HAD IDENTICAL PROBLEMS SOME WITH FIRE. SOME CAUSING LOSS OF CONTROL. *JB