What causes the flex plate to break?
What causes the flex plate to break? The following causes for cracked flexplate failures: 1) Out of balance engine or torque converter. 2) Bad starter drive can cause teeth or ring gear to wear rapidly or break off. 3) Failure to torque the flexplate bolts to proper specifications and in proper sequence. What causes a starter to crack? Single-pinion gear, starter pinion or freewheel damaged. The likely reason for this type of failure is due to a sticking key switch or relay, resulting in a permanent electrical feed to the starter motor's solenoid connection. Again, this is misdiagnosed as a...