How does a bad flexplate sound?
Here are some of the warning signs 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.
What happens if flexplate breaks?
A loose bolt on a flexplate or a crack between it’s bolt holes can result in a; knocking or rattling sound. The flexplate can become cracked over time. As a result, this can cause the it, to wobble. So, you might notice rhythmic clunking or grinding noises, while the engine is running.
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 happens to the flexplate on a torque converter?
The torque converter used with an automatic transmission, acts like a flywheel, smoothing out engine pulses. The cracking on these flexplates can be seen, either around the crankshaft or torque converter bolt hole patterns. Out of balance engine or torque converter. Bad starter drive, can cause teeth or ring gear to wear rapidly or break off.
What causes a cracking sound on a flexplate?
Failure to use starter shims, where required. Poor quality parts. Missing Dowel pins. A loose bolt on a flexplate or a crack between it’s bolt holes can result in a; knocking or rattling sound. The sound is very similar to a bad connecting rod and is often, misdiagnosed. The flexplate can become cracked over time.
How does a flexplate work in an engine?
A flexplate bolts directly to the crankshaft flange, and connects to the torque converter with large mounting bolts. A flexplate, as the name implies, serves as a flex-shock device between the torque converter and the engine crankshaft, and many flexplates have balancing weights to provide smooth engine RPM.
What does it mean when your flex plate fails?
So, a engine making noise when starting, often indicates either a; starter failure or broken teeth on your transmission flex plate. Also, some cars require several hours to replace the starter and hundreds of dollars, for a replacement part.