Once registered and logged in, you will be able to contribute to this site by submitting your own content or replying to existing content. It was also leaking pretty bad from the front seal. The starter motor engages this ring gear to start the engine. A vital part of an automobile engine equipped with automatic transmission, a flexplate consists of a piece of thick sheet metal that bolts to the crankshaft and. What causes a flywheel to crack numerous times justanswer. A broken hip is a fracture that often occurs in the femur thigh bone. Aside from a manufacturing defect, the only things that will cause a cracked flex plate are improper torque on the plate bolts at the crank and torque converter and the most common cause of transmission to engine misalignment. How do i know if my flexplate needs to be replaced. In people with very weak bones, a hip fracture can occur simply by standing on the leg and twisting. The reason for the sound involves the flexplates location and its function.
A broken or cracked flexplate usually indicates a problem elsewhere. Every 8 months since then, like clock work, it has been cracking. Hi guys,i have a fairly stock 360 40068303606 engine and a 904 pk3681843 transmission in my 74 dart sport. Im now getting ready to replace it for the 3rd time. If the flex plate is cracked, there will be one solid knock sound when you turn the key back on.
You might notice rhythmic clunking or grinding noises while the engine is running. That allows a flexplate to respond to small differences of alignment between the engine and the transmission. A flexplate is meant to move slightly and take up small dimensional irregularities in the flatness of the converter as the drivetrain rotates. Nov 21, 2014 my chevy started this tick noise out of now where thought about it and yea its the flex plate.
Overtorquing the flexplate stretches the metal, causing high and low spots. Pics of a cracked flex plate peachparts mercedesbenz forum. Flexplate technology and choosing the flexplate for you. The classic and most obvious symptom of a cracked flexplate involves the sound it makes while the engine is running. My flywheel is cracked and i cant remember if you have to drop the tranny to get at it. Why hip fractures in the elderly are often a death sentence. Cant pinpoint the source of the noise im thinking either the flexplate or torque converter its a 2000 5. I have owned the car for 6 or 7 years now and it has always had a rhythmic vibration between 45 and 65 mph. I just always assumed it was an exhaust leak or loose header. Excessive crankshaft flange runout or end plate can also cause flexplate cracking. Symptoms of a cracked flexplate general discussion. If the converter nose is smaller then the crankshaft pilot area, then the converter will not be centered and the flex plate is what assorbs the stress. Cracked flex plate toyota 4runner forum largest 4runner forum. Cracked flexplate symptoms a vital part of an automobile engine equipped with automatic transmission, a flexplate consists of a piece of thick sheet metal that bolts to the crankshaft and torque converter.
One of the most common causes for flexplate warpage involves the wrong torque pressure and sequence on the flexplate. Youll probably have a lot of pain in your hip or groin. If its a rod knock, you can make the sound change or go away by pulling off each plug wire one at a time. Oct 19, 2008 evening folks, my 300tdi auto today developed a nasty intermittant knocking, that seems to be coming from the bellhousing area. Hi guys, i have a fairly stock 360 40068303606 engine and a 904 pk3681843 transmission in my 74 dart sport. I investigated it and it sounded like it was coming from the tranny. Age is a key risk factor, with hip fractures more likely to occur in those aged 65 or older.
Symptoms of a cracked flexplate general discussion modern. It sounded like a big end knock at idle, went quiet when put into drive. Aside from a manufacturing defect, the only things that will cause a cracked flex plate are improper torque on the plate bolts at the. I took an automotive sound tester and checked around the oil pan to make sure it wasnt a crank or rod knock. They are considered an orthopaedic emergency and require immediate attention and emergency treatment. The ultimate in strength and functionality couple your engines flexplate to the crankshaft with this high quality, high.
Cracked flex plate my runner has been making a ticking noise when warmed up for the last 20k miles. Some race cars are equipped with the flywheel shield just for this reason. I have an 02 tacoma sr5 w the trd off road package. How to know if a flexplate is warped it still runs. A broken hip is usually a fracture in the upper portion of your femur, or thigh bone. I have had a quick look through the starter motor hole and checked that the bolts that hold the torque converter to the flex plate are tight which they are. Take the time to check the following before sending the customer on his way. Slight misalignment may only cause a single flexplate to break in the life of the vehicle. May 27, 20 spun rod bearing vs broken flex plate sound i hear it coming from. More severe misalignment can break a flexplate in 15,000 to 30,000 miles. A flywheel coming apart at high speeds in those cars have been known to cause serious bodily injury to the driver. If you really stop and think about a highhorsepower pro modified car planting the tires and launching to a subone second 60foot times, realizing there is a small, relatively thin plate of metal transferring 4,000 horsepower rearward at one of the key junctions in the powertrain, you begin to see the. But going to work accelerating on to east link my motor did not sound right no loss of power or anything so i turned up the radio. The flexplate also has gear teeth on it which the starter engages to start the engine.
A misaligned flex plate can also keep the engine from running smoothly, which can lead to erratic changes in engine rpm. Nov 03, 2011 so, following on from my breakdown the car, then nearly me. Extensive performance testing indicates flexplate will outperform the extruded aluminum plates. This 153tooth flexplate fits 198697 externally balanced sb chevys such as 4. In older adults, a hip fracture is most often a result of a fall from a standing height. The engineer put a triangular file on it and had no trouble marking the plate, he said it is just plain old mild steel, and welding would be no troubles. Would a faulty torque converter cause this problem. The flexplate was invented to for that problem hence the name but many are built to weak and fail overtime.
Nov 23, 2015 the other task the flexplate must perform is joining the crankshaft to the torque converter. Flexplate is a revolutionary new type of under floor heating plate. After checking the flexplate id pull the valve covers to see if theres damage up top that is preventing the engine from turnung over. Dude, looking at your questions for the past 2 weeks, you should give up trying to fix your own vehicle. The flexplate in an automatic is the same part as a flywheel in a manual. A few months ago, my buddys 84 300d started making a harsh, disgusting metallic sound near the rear of the motor after first making a wooshing sound for thousands and thousands of miles. These nonsfi rated small block chevy flexplates are suggested whenever installing a new engine or transmission. My runner has been making a ticking noise when warmed up for the last 20k miles. It is almost impossible otherwise to have a misalignment. Simply replacing the flexplate with a new one will get the engine running normally again, but its also very likely that the replacement flexplate will break somewhere down the road. Arthritis leads to inflammation of the hip joint and the breakdown of the cartilage. If you fracture your hip, you may have the following symptoms. I also notice a new tc and what looked like a fairly new flexplate.
The primary material in the plate is a specially processed natural graphite, giving flexplate 50% higher thermal conductivity than aluminum. In january 2008 the original flywheel cracked and was replaced with a napa flywheel. The reason for the sound involves the flexplate s location and its function. This saturday i will be taking the tranny out and if all goes well and it is the flywheel i will give you guys all the info i have,starting with the noises and what i have gone through to figure out its the flywheel.
This may occur in worn engines or engine that have been poorly rebuilt. A serious crack can cause a mild vibration when driving, so can a faulty torque converter. Evening folks, my 300tdi auto today developed a nasty intermittant knocking, that seems to be coming from the bellhousing area. Theyre primarily a result of a fall, or when the hip collides with a solid object such as a kitchen. When i tore it apart it had a missing torque converter bolt. If the ends of the broken bone are displaced or damaged, your surgeon might remove the head and neck of the femur. Caused by slight misalingment of the engine and transmission. A competent shop can look at the plate they remove and tell you the cause of the failure. Thinking they installed a new flexplate and tc when they changed the engine and that the missing tc bolt caused the problem. However, a cracked flexplate has been reported to reduce gas mileage, due to the inefficiency it creates in the engine when it cannot perform as intended. Feb 11, 2011 dude, looking at your questions for the past 2 weeks, you should give up trying to fix your own vehicle. Is it likely do due to a faulty transmission or installation.
For awhile i was thinking i had a lifter tick but the car ran great except for that annoying noise it kept making it finally got so bad but the car ran great so im pretty sure the. Descriptions of the sound include clanking, chirping and a light knocking. A dropped bolt will definitely make noise but the noise typically doesnt last long since something breaks. The torque converter is bolted to the flexplate, and so the engines rotation is delivered to the transmission through it. A severe impact in a car crash, for example can cause hip fractures in people of all ages. The transmission was replaced in 2005 with a remanufactured ford transmission. So, following on from my breakdown the car, then nearly me. The other task the flexplate must perform is joining the crankshaft to the torque converter. If the alignment dowel pins are missing, the tremendous amount of torque placed on the components can and will cause a shift in the alignment of the engine and.
Being an auto, it will be fluid balanced by the torque convertor, so babancing it wont be an issue. Questions bmw bmw 528i 2000 bmw 528i is a cracked flexplate. The sound is noticeable at idle, park or neutral, and it seems to go away as the rpms go up. Those factors ensure that when the engine starts and the driver puts it in. Chevys and others have had a proplem of the centers of the flexplates cracking out. Trouble shooter 2004 ford focus zx3 motor magazine. Took flexplate to engineering shop to see about repair. For people who suffer from osteoporosis, since their bones are less dense and more brittle and prone to injury, fractures can even be caused by simple weightbearing activities.
Symptoms of a cracked flexplate welcome to modern mopar forum. After the repair there was still a light ticking in park and neutral. I dont wanna say right now its for sure the flywheel and give you all the info and then come back on here saturday and say well its wasnt the flywheel,so since you guys were nice. A knocking noise coming from the rear of the engine may indicate a cracked flexplate. Hip fracture broken hip causes and treatment patient. True billet flexplate, chevy 168 tooth, low inertia. Got home, snooped around and the noise is strong at the flexplateconverter area. These plates are clearly the superior choice for quality and precision.
And we also have heavyduty and sfiapproved flexplates for highhorsepower, highrpm race applications. The flex plate is a key component of your cars powertrain, which includes the engine, the transmission, and the other related parts that get the power to the ground. Osteoarthritis and rheumatoid arthritis are among the most common causes of hip pain, especially in older adults. Take the time to check the following before sending the customer on. Webmd explains what you need to know if you have a hip fracture. Cracked flexplate with audio first i had to get it trayed home fuel pump died, i replaced the pump and was back on the road. What can cause a cracked flexplate out of balance engine or torque converter. Youll be able to customize your profile, receive reputation points as a reward for. If cracks are present, they will usually be in the area of the crankshaft or torque converter bolt holes. I was driving along the m4 on my way to an important appointment, doing about 60mph in drive, 2500rpm on the possibly inaccurate tachometer, tc locked it locks at 45mph with the 1. A cracked flexplate is almost always a sign of other problems. Weve got tough yet affordable flexplates for stock and mildly modified street vehicles. A cracked flywheelflexplate can come apart with catastrophic results.
A crack and or broken flex plate can be caused by a failing torque convertor andor worn crankshaft thrust washers that will allow the crankshaft to have to much end play. Need help ticking sound from flexplatetorque converter. When stripped down, the plate had split around all 6 bolt holes. I then decided to do an experiment, so i shut off the truck i took out of the torque converter to flexplate bolts and then restarted it and the ticking went away instantly. So with the vehicle running i crawled underneath to try to see it the noise got louder but once i got under the vehicle it sounded like it was coming from the transmission. After a couple of weeks it started making a noise and figured out it was a cracked flexplate. Your skin around the injury may also swell, get red or bruise. This video demonstrates the sound, diagnosis and solution to what sounded like a rod knocking on a 1999 toyota 4runner with a 3. Bad starter drive can cause teeth or ring gear to wear rapidly. Learn more about the causes, signs, surgery options and treatments for broken hips. There are tough flexplatesand there are chuck norriscaliber flexplates. Sometimes i think that it is a cracked flexplate, but the noise seems to be coming. Even if the flexplate was old and reused, the manufactures specifications call for an exact torque pressure and tightening sequence.
A flexplate can crack because of enginetotransmission misalignment or an engine or torque converter that is out of balance. Like loss of power, this symptom could be caused by many factors other than a cracked flexplate. Jun 26, 2008 a cracked flywheel flexplate can come apart with catastrophic results. The biggest issues that caused cracked plates other than age are misaligned oil pans and missing pilot bushings in the crank shaft. If not properly diagnosed it will occur again and often damage to the transmission may follow. Register now to gain access to all of our features. My chevy started this tick noise out of now where thought about it and yea its the flex plate. A failed flexplate is pretty much an unlucky event under normal. A cracked flex plate will usually cause a squeaky sound like a belt but shorter and sharper and changes when in gear or park and under load. Hip fractures are cracks or breaks in the top of the thigh bone femur close to the hip joint. The flexplate is also ringed by a series of teeth referred to as the ring gear.
Cracked flexplate question for a bodies only mopar forum. I hear it coming from underneath the car when i rev it, by the bell housing, near the exhaust manifolds, but i also hear it from the top of the motor near the center top backwards and left side of the valve cover area. Cracked flexplate a couple of weeks ago i started to get a clicking sound that would speed up slow down with engine speed, but i just assumed was the exhaust. About a year and a half ago, the flexplate cracked and had to be replaced. A reconditioned transmission was installed by a transmission specialist 6 months ago. I was driving along the m4 on my way to an important appointment, doing about 60mph in drive, 2500rpm on the possibly inaccurate tachometer, tc locked it locks at 45mp. The most likely cause is a missing bushing in the back of the crankshaft. The flexplate has cracked twice in the past 6 months. Similar in function to a flywheel in manual transmission engines and ca. It is a common injury in older women with underlying thinning of the bones osteoporosis. Theyre usually caused by a fall or an injury to the side of the hip, but. A joint is a point where two or more bones come together, and.