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Why does my flexplate keeps breaking?
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. Teeth can also break when engine is running and starter is engaged. 4) Some applications may require starter shims to be used.
What would cause a flywheel to crack?
A flywheel can crack on the friction surface from heat caused by a slipping clutch. The ring gear on a flex plate and a flywheel can fail. They can wear from normal wear and tear, but usually fail because the teeth on the gear are ground away or even break off from a bad or week starter motor.
What causes a flexplate to warp?
One of the most common causes for flexplate warpage involves the wrong torque pressure and sequence on the flexplate. Even if the flexplate was old and re-used, the manufacture’s specifications call for an exact torque pressure and tightening sequence.
How do you diagnose a bad flexplate?
Symptoms of a bad flex plate
- Clunking, grinding, chirping, or rattling noises from rear of engine when engine is idling.
- Knocking noise when engine is shifted into drive or reverse.
- Heavy vibrations felt through the driver’s seat when driving at normal speeds.
- Rough-running engine.
- Loss of power at higher speeds.
What happens when your flexplate breaks?
When a flexplate cracks, it often produces a loud knocking noise as it rotates. The sound is very similar to a bad engine rod and is often misdiagnosed. Removing the bolts to the torque converter and sliding it back into the transmission will often reveal the real problem.
How often do flex plates break?
Slight misalignment may only cause a single flexplate to break in the life of the vehicle. More severe misalignment can break a flexplate in 15,000 to 30,000 miles. Excessive crankshaft flange run-out or end plate can also cause flexplate cracking.
How do you tell if you have a cracked flywheel?
You may feel vibration as soon as you place your foot on the clutch or when you press down on the clutch. The vibration tends to get stronger as you push on or engage the clutch pedal. A burning scent that is prominent as you shift in or out of gears can indicate both clutch problems and flywheel problems.
What happens if flexplate breaks?
What happens when flexplate breaks?
The flexplate can become cracked over time. As a result, this can cause it, to wobble. So, you might notice rhythmic clunking or grinding noises, while the engine is running. A misaligned flex plate, can also keep the engine from running smoothly.
What happens if your flex plate breaks?