5 3 cracked flex plate symptoms

I do 3 round trips per day,approx 8 miles each way, 5 days a week. Once registered and logged in, you will be able to contribute to this site by submitting your own content or replying to existing content. I cracked two flexplates on a 350 olds i drove balls out all the time, until i threw away the torque converter and got a good one. The classic and most obvious symptom of a cracked flexplate involves the sound it makes while the engine is running. A misaligned flex plate can also keep the engine from running smoothly, which can lead to erratic changes in engine rpm.

Heres how to tell if your dual mass flywheel is faulty. Weve had a few forum members get broken flex plates in the last few years. Theres something not quite right when you shift gears, or push in the clutch pedal. Ive been hearing what sounded like marbles coming from the engine bay when i put the van in reverse, or drive and not move. Alright yall this is my first post but i would appreciate some help on this one. Symptoms of a cracked flexplate general discussion. Gm flex plates suffered high failure rates years ago. Take a long screwdriver prybar, and shove the converter back towards the trans. Remove 3 15mm bolts that attach flexplate to torque converter.

It has gotten pretty bad and now will overheat when idling, and actually put enough pressure into the cooling system to crack the radiator. My chevy started this tick noise out of now where thought about it and yea its the flex plate. Been loosing coolant slowely for a few months on my 04 5. You know theres a problem with the drivetrain, youre just not sure what.

How to tell if your rear main seal is leaking bluedevil. My uncle thinks it may be a cracked flex plate from how i described it to him. Im pretty damn sure i broke my fourth flexplate on the truck. The random stalling and rattling sound point to the flywheel flex plate being cracked or loose. A flexplate consists of a steel, circular disk with perforated holes and, depending on the model, teeth on the outside ring which engage the starter. Dude, looking at your questions for the past 2 weeks, you should give up trying to fix your own vehicle.

Register now to gain access to all of our features. Evening folks, my 300tdi auto today developed a nasty intermittant knocking, that seems to be coming from the bellhousing area. It runs fine in park but in any other gear with my foot on the brake it has a very noticeable, almost loud knocking sound. Upon startup the converter may then seat or not and the weakened flex plate may crack shortly afterwards or it may go months or years before giving up. Symptoms of a cracked flexplate welcome to modern mopar forum. Symptoms of a bad or failing crankshaft harmonic balancer. Cracked flexplates arent as rare on these vans as they are on other cars. Perhaps someone had the transmission out years ago and failed to torque the flex plate to crank bolts properly. Just last friday my truck sheared off every converter bolt, cracked the flexplate and the debris kocked out holes in my bellhousing. Weve got tough yet affordable flexplates for stock and mildly modified street vehicles. Flexplates serve a very important function in vehicles equipped with an automatic transmission.

Youll be able to customize your profile, receive reputation points as a reward for. 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. The flexplate has cracked twice in the past 6 months. Up close, it sounds more like it is coming from the transmission, but what could be making noise in the transmission while the truck is in park. I started the motor and lookes for warpage in the flywheel, it looked fine. Hello, i own an 03 ford focus and have had the engine replaced twice in the past 6 months as well as two cracked flexplates. How to know if a flexplate is warped it still runs. It will sound almost like an engine knock but will be. Then the flexplate and converter welded themselves together trashing it. Damaged and leaking front seals and front transmission pumps are common symptoms.

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. In the past few days my 94 has been knocking while in gear and at low rpms. When a flexplate cracks, it often produces a loud knocking noise as it rotates. What are the signs of a cracked flywheel in a 1998 chevy.

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. The best way to prove that youve got a rear main seal leak is the check if the engine side of the flexplate or flywheel is oily. The part apparently is not expensive, but the labor is a killer. Transmission bolts left loose would also be a contributor. The sound is very similar to a bad engine rod and is often misdiagnosed. This time around, i know they make an sfi approved flexplate that will handle anything, and im putting the sucker in. About a year and a half ago, the flexplate cracked. This allows the engine to be ran seperate from the transmission. What causes a flexplate to crack twice after two replaced.

A serious crack can cause a mild vibration when driving. If the head is cracked, there isnt really a set time that it will last. Similar in function to a flywheel in manual transmission engines and ca. I keep it under 50 since the kids are in it most of the time. Im thinking it is a specific diameter or teeth selection. Noise in my chevrolet silverado sounds like flywheel. A flexplate bolts directly to the crankshaft flange, and connects to the. The problem is surely a broken flywheel key, what might of happened is when you hit something you sheared it in half but it might of still held the timing correct, over time though it is possible the timing got thrown off. I would have gotten on the ground and checked in the lot but that wouldnt have faired well for my work attire. Oh yeah i forgot to mention, i drive 3 short trips taking my kids back to school. Does anybody have a link to the sfi vortec style flexplate. A maual transmissions flywheel that is cracked will generally cause the cluth to slip, and eat the clutch disc rapidly. I have been told by a repair garage that i have a broken flex plate on my 88 yj, at, l6.

When you crack them out where the converter bolts are, they have a very tinny, almost ringing sound under load, and the cracks are very hard to see. What are the signs of a cracked flywheel in a 1998 chevy 350 engine. If the flywheel flex plate is vibrating, it can cause a momentary loss of crank sensor data to the pcm. Cracked flexplate how can i tell the chrysler minivan. You might notice rhythmic clunking or grinding noises while the engine is running. Ive gotten a lot of different reasons as to why the shops think its happening and am gathering all the information to pinpoint exactly what it is. I have an 02 tacoma sr5 w the trd off road package.

At first i thought it was comin from the top but when i get under it its. After some googling and much reading, it looks like i have a cracked flexplate. What causes a flywheel to crack numerous times justanswer. Symptoms of a bad or failing crankshaft harmonic balancer common signs include engine vibration, misaligned timing marks, and a separated harmonic balancer. I just thought id post a short video of what a cracked flexplate on a 6. Gm performance view topic broke my fourth flexplate. Sometimes you can actually get a little movement of the flywheel just before the torque converter moves. The same things that cause the flexplate to crack can also cause transmission problems.

A loose bolt will hollow out the hole, and can cause a crack from the hole toward the middle real hard to see. If you are talking about a flywheel for a manual transmission equipped car, the most obvious symptom of a cracked flywheel is a knock. If the rear main seal is leaking on your engine it will drip oil onto the flexplate or flywheel and sling oil around the bellhousing. Just wondering what your guy symptoms were when it went out. Its an easy fix and if your careful you dont have to even use a flywheel. Its possible the rear exhaust manifold or even the crossover pipe cracked and developed a leak. And we also have heavyduty and sfiapproved flexplates for highhorsepower, highrpm race applications. I had a subaru into the shop one time in which someone had made this mistake and the entire center of the flex plate had peeled clean out followed by the car ceasing to move one inch further.