What is the purpose of a flex plate?
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What is the purpose of a flex plate?
A flexplate (or flex plate) is a metal disk that connects the output from an engine to the input of a torque converter in a car equipped with an automatic transmission. It takes the place of the flywheel found in a conventional manual transmission setup.
What happens when a flexplate fails?
A warped flexplate won’t engage properly, with the starter motor. So, when you are starting your engine listen for, rhythmic bogging down of the engine, during starting. Consequently, the teeth of the ring gear, can become damaged over time, causing a grinding sound.
What’s a flexplate flywheel?
Basically a flywheel or flex plate is the round metal disc shaped component that transfers power from the engine to the transmission. A flywheel is usually referenced to a car with a standard transmission,and a “flex plate” is used with automatic transmissions.
How do you check your flexplate?
Start the engine and let it idle. Slide under the vehicle with a stethoscope, and place the stethoscope probe against the underside of the bell housing. Any noise emanating from the this region indicates a problem with the flexplate and/or torque converter-flexplate combination.
Can you over tighten a flexplate?
Never Over-Tighten or use an Air Wrench… Use New Flex-Plate Bolts.
How much does it cost to replace a flexplate?
How much is a replacement flex plate? The flex plate or flywheel plate should cost somewhere in the region of $50-160, on average.
Can a bad flexplate damage a transmission?
More severe misalignment can break a flexplate in 15,000 to 30,000 miles. The same things that cause the flexplate to crack can also cause transmission problems. Damaged and leaking front seals and front transmission pumps are common symptoms.
How do I know what flexplate I need?
There are four main factors to consider when purchasing a flexplate.
- The crank style: One or two piece rear main seal.
- The torque converter bolt pattern: large 11 1/2-inch or small 10 3/4-inch.
- Ring gear tooth count: 153 or 168.
- Internal or external engine balance.
What causes a broken flexplate?
There are a few causes for the flexplate to break as you describe: 1. The clutch centering plate on the back of the flywheel is missing. 2. One of both of the dowels that locate the engine to the transmission bellhousing are missing. 3. The bolts that hold the pressure plate to the flywheel are interferring with the flexplate (previous SB issue).
How does a flexplate work?
A flexplate is mounted to the crankshaft and connects the output from the engine to the input of a torque converter. Torque converters replace the clutch of a manual transmission, allowing the load to be separated from the power source.
What is a transmission flex plate?
A flexplate (or flex plate) is a metal disk that connects the output from an engine to the input of a torque converter in a car equipped with an automatic transmission. It takes the place of the flywheel found in a conventional manual transmission setup.
What is a 153 tooth flywheel?
Part number (700100) is a steel 153 Tooth GM/Chevy flywheel for use with pre 1986 Engines with 2 piece rear main seals. It features a 153 tooth ring gear and weighs approximately 30Lbs.