Cummins cracked flex plate symptoms

Supposedly chrysler has come out with a new replacement plate that will not crack, and it isnt supposed to be that expensive. There are tough flexplatesand there are chuck norriscaliber flexplates. Symptoms of a cracked flexplate heard a knocking sound. The symptoms the qsm11 marine engine is in a class of its own due to the fact that it is still equipped with both a dry exhaust manifold and a dry turbo. A cracked bell housing is caused by worn transmission andor engine mounts causing excessive vibration or movement which eventually will cause the bell housing to crack. A warped flexplate can make metaltometal contact with the inspection plate cover, or. Next day try to start it, sounded like a weak battery or starter but car started. Symptoms and signs of dual mass flywheel failure theres something not quite right when you shift gears, or push in the clutch pedal. Then ive seen people say there is a gm service bulletin out over trucks assembled in mexico using the wrong master cylinder and a revised replacement part has to be used, a clutch swap has been done with little change in symptoms, etc. Some times the flywheel housing will crack from the starter mount hole to the inside were the housing bolts to the block due to a drive line virbration and it will shake bad. A good possibility it is flex plate, your description of the card clicking and sounds like a rod bearing are generally good indications of flex plate cracked broken,with that much noise you ought to be able to see the damage by removing the inspection plate on the trans and rotate the crank by hand turn a full 360 deg to verify. Gm flex plates suffered high failure rates years ago. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. Perhaps someone had the transmission out years ago and failed to torque the flex plate to crank bolts properly.

Loose torque converter bolts and cracked flex plates diagnosing noises in your car ericthecarguy video description. Update, the owner told me that the diesel repair shop that looked at it last week said they manually disconnected the wiring harness to each injector and it didnt change the sound. Damaged and leaking front seals and front transmission pumps are common symptoms. Anyways my son had the truck 4 months and busted the flexplate around the. It has clouds of smoke after the engine gets ran awhile. Transmission bolts left loose would also be a contributor.

While this is the more likely reason, pull out the starter and check the plate and bolts first. After removing the flex plate and looking at it i still could hardly make out the crack but that ended up being the problem. For what its worth, if you had a broken or cracked flexplate it would be making a lot of noise. If you have a knocking noise from your engine it might not be the engine itself. More severe misalignment can break a flexplate in 15,000 to 30,000 miles. Above post sounds like a rep for international, the system is crap and is not only unreliable but is breaking the small operator. Symptoms of a bad or failing crankshaft harmonic balancer. Symptoms of a cracked flexplate general discussion. Suncoast billet flex plate 48re47re transmission install. Sometimes the flex plate will crack and as a result it can cause noise.

The classic and most obvious symptom of a cracked flexplate involves the sound it makes while the engine is running. The reason for the sound involves the flexplate s location and its function. 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. Once registered and logged in, you will be able to contribute to this site by submitting your own content or replying to existing content. Oct 19, 2008 cheers neil, i probably should have replaced it when i had all in bits the first time but being skint and having inspected the flex plate at the time i thought it would be ok. Jun 25, 2009 hello and welcome to just answer dodge. And we also have heavyduty and sfiapproved flexplates for highhorsepower, highrpm race applications. One of the first symptoms commonly associated with a bad or failing fuel filler neck is a fuel smell. So, following on from my breakdown the car, then nearly me. Broken flywheel on 06 mega cab there is 74000 on this truck, i replaced it with the stock since it was covered under the extended warranty. Symptoms of a bad flexplate on a 2003 dodge grand caravan answered by a verified dodge mechanic we use cookies to give you the best possible experience on our website.

Egr tubes are connected directly to the vehicles exhaust system, and as a result are exposed to extreme heat and stress, which leaves them susceptible to cracking and breaking. I went to the shop and looked it over and never seen anything like it. If the flywheel flex plate is vibrating, it can cause a momentary loss of crank sensor data to the pcm. Because perfect alignment of the engine and transmission are not possible, the flexplate can absorb the minute misalignment. After some googling and much reading, it looks like i have a cracked flexplate. The same things that cause the flexplate to crack can also cause transmission problems. The random stalling and rattling sound point to the flywheelflex plate being cracked or loose. You know theres a problem with the drivetrain, youre just not sure. Five signs that a cummins water pump failure is near few things are as devastating to a diesel engines performance as the sudden breakdown of the coolant pump. A cracked flex plate is almost always a sign of other problems. The flex plate replaces the flywheel in automatic transmission cars. While these products are identical to the certified versions, the sfi certification time period has lapsed.

Notice if the starter has a low, medium or highpitched whine while spinning. A reconditioned transmission was installed by a transmission specialist 6 months ago. How to know if a flexplate is warped it still runs. Friend of mine has replaced 4 erg valves in less than a year. Furthermore, if not properly diagnosed it will occur again and often damage to the. Symptoms of a bad flex plate on a 2003 dodge grand caravan.

I noticed a low deep noise i couldnt recognize like it was from the exhaust. I have owned the boat for only a year and havent put much time on it, i noticed it was making oil in may or june and upon further inspection realized i had a lot of coolant in my oil. Dodge cummins bd precision dtt ats billet flex plates. Sinister diesel arp flexplate bolt kit for dodge cummins 19892007 5. Symptoms of a cracked flexplate welcome to modern mopar forum. 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. This leaves nearly a 14 inch gap between the mounting holes in the converter and the face of the flex plate.

It sounded like a big end knock at idle, went quiet when put into drive. I only say this because it happened to my 2000 and the dealer told me i had an engine knock and that my engine was toast. We offer a plethora of cummins flex plate for your vehicle needs. Well i had the truck since monday, last night, flex plate goes boom. I have retorqued the torque converter bolts, and there are no visible cracks to the flexplate. How to know if a flexplate is warped by chris stevenson. It bolts to the end of the crankshaft and the transmissions torque converter bolts to it. If the flywheelflex plate is vibrating, it can cause a momentary loss of crank sensor data to the pcm. I have seen on occasion the torque converter bolts get loose and. No matter what youre driving, we have the right cummins flex plate for your automobile.

In hind sight even if it had been cracked then i would not have seen it as all the damage is hidden behind the centre boss. The cummins qsm11 marine engine story seaboard marine. Performance transmission flex plates alligator performance. Symptoms of a bad flexplate on a 2003 dodge grand caravan. The replacement now has a cracked dpf at 230,000 km 4200hrs. The reason for the sound involves the flexplates location and its function. This is my personal truck and is only used for hauling when my other trucks are broke down or busy so only about 70% of the time it is hauling. Furthermore, if not properly diagnosed it will occur again and often damage to the transmission may follow. Jun 14, 2012 a m and i discussed the points in your email. Evening folks, my 300tdi auto today developed a nasty intermittant knocking, that seems to be coming from the bellhousing area. When stripped down, the plate had split around all 6 bolt holes. Broken or loose bolts on the crankshaft end of the flexplate, or on the torque converter side, missalign the flexplate, causing a high side of the plate to strike or rub against internal components.

Water pump failure can quickly lead to many other problems, all of which are costly to repair. The crack was in between the crankshaft mounting bolt holes. It never ceases to amaze me when i see certain types of problems in. Had me real scared thinking it was the crank or something because of where the noise was coming from. Heres how to tell if your dual mass flywheel is faulty. Had the truck 4 days, broken flexplate dodge cummins. I have the back seats out so there isnt too much sound dampening back there, and i have been listening for any odd noises over the past few weeks. Those factors ensure that when the engine starts and the driver puts it in. Although similar flex plates are used on gas engined mercedes, the flex plate problems i have seen have always been mounted to diesel engines. Dude, looking at your questions for the past 2 weeks, you should give up trying to fix your own vehicle. Loose torque converter bolts and cracked flex plates.

Ive seen comments as simple as someone had the same symptoms and swapped the clutch and it drove like new. I suspect the flexplate is cracked in a place that i cannot see from just the inspection window. As the horsepower and pulling weight of the truck increases, so does the strain on the flex plate that is why this flex plate is perfect for towing, daily driving, and drag racing. When a flexplate cracks, it often produces a loud knocking noise as it rotates. Attached is a video of the startup and idle of the flexplate disconnected from the torque converter. Theres something not quite right when you shift gears, or push in the clutch pedal. It would be safe to drive it home or to a repair shop, but i would have it replaced asap. Im not driving it for fear of ripping the center section. M said he really doesnt know why the flex plate is cracking, but it would be very unlikely that two different engines would have defects that would cause cracking. Now im on a hunt for a flex plate as fast as possible and its not going to well. This goerend transmission billet flex plate replaces the stamped factory piece that is prone to failure when under high power levels. Amounts shown in italicized text are for items listed in currency other than canadian dollars and are approximate conversions to canadian dollars based upon bloombergs conversion rates.

Descriptions of the sound include clanking, chirping and a light knocking. I heard noises reminescent of last january and sure enough. Sep 12, 2017 can anyone help me figure out if this noise is just injector rattle or a cracked flexplate. I have a cummins isc360 and just replaced a cracked dpf filter at 46k miles. 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. Diesel engine transmission torque converter flex plate. Prw 1835910 xtreme duty sfirated internal balance 152 teeth. The random stalling and rattling sound point to the flywheel flex plate being cracked or loose. Youll be able to customize your profile, receive reputation points as a reward for. Buy prw 1835910 xtreme duty sfirated internal balance 152 teeth steel flexplate for dodge cummins 5. Slight misalignment may only cause a single flexplate to break in the life of the vehicle. I glanced over the truck and couldnt figure it out but. Five signs that a cummins water pump failure is near gmb.

Apr 29, 2015 slight misalignment may only cause a single flexplate to break in the life of the vehicle. Symptoms of a bad or failing fuel filler neck yourmechanic. While a faint fuel smell when filling up is normal, if the smell lingers or becomes stronger over time that. R12 in the summer, webasto in the winter, and cassette tapes all year. Excessive crankshaft flange runout or end plate can also cause flexplate cracking. We help you find the heavy duty truck parts that you need. Common signs include the vehicle entering limp mode, having difficulty shifting, and its engine rpm being higher than it should be. And probably, some lessthanawesome mechanics might even mistake said noise for an engine knockwristpin knock. Jun 19, 2007 what does a cracked flexplate sound like. Usually a bad or failing fuel filler neck will produce a few symptoms that can alert the driver of a potential issue. Dodge ram 1500 transmission noise flex plate duration.

The flexplate has cracked twice in the past 6 months. Cracked flexplate how can i tell the chrysler minivan. Bds flexplate is designed specifically for modified applications, and can reliably handle up to 1,500 lb. I have used the search function and have not found that much about flywheel problems. The outer perimeter of the plate is attached by six bolts directly to the torque converter which in turn drives the transmission input shaft. Im thinking broken flex plate in my 73 blazer however when im in gear low rpms and rolling down the street i hear the. I have access to a shoplift and plan to do this work myself and with a coworker. Symptoms of a bad or failing exhaust gas recirculation egr tube.

I am trying to diagnose a noise coming from the back of the enginefront of the. Start your vehicle as normal, but pay particular attention to the noise of the starter while it spins and engages the flexplate, or torque converter if your vehicle does not have a toothed flex plate. What causes a flexplate to crack twice after two replaced. Symptoms of a bad or failing transmission oil pressure switch. As you read thru the below, always associate or think thisits 20 hp per gallon per hourexample burn 17. Usual failure mode is the crankcase bolts or the torque converter bolts work loose, allowing the parts to start moving in different directions, the clicking sound you heard. A warped flexplate can make metaltometal contact with the inspection plate cover. I owned the first dpf truck in the city i live in and after 18 months, 11 tows and sixty thousand dollars in warranty repairs they finally took it back. This sweepstakes is open to legal residents of the fifty united states excluding new york, florida and vermont, who are twenty one 21 years of age or older.

There are a couple of symptoms that can be related to a bad flex plate, 1 is a noise concern sraping, clicking type noise and 2, a misfire caused by cracks in the plate near the area where the flex plate bolts to the crank. Uncovering an uncommon flex plate issue twice in one week it. Converter pilot shaft broken and stuck in crankshaft. I have the 12v 6bta marine engine in a boat, 370hp version. The original plate was in the car for a long time before transmission was replaced, and the problem has occurred since then. 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. Cummins flex plate quality auto parts, new, used and. A serious crack can cause a mild vibration when driving, so can a faulty torque converter. And same time see if the flywheel is lose on the crank by prying on it at the bottom. I have owned three dodges 2002 2500 w cummins, 2004 2500 w cummins, and 2006 3500 with cummins. As i was driving into work this morning i noticed a sound that seemed to come from the middle of the car. What causes a flexplate to crack automotive vanes manufactures.

Buy performance transmission flex plates at alligator performance. Dry meaning that those components, unlike others in the cummins marine engine lineup, do not circulate coolant through the components for cooling purposes. Read more related questions transmission wont go into gear 1997 pontiac grand am. You know theres a problem with the drivetrain, youre just not sure what. Sep 19, 2011 trying to determine if the flexplate is bent warped on the 455.

You will find that the lip around the outside of the flex plate bottoms against the outside rim of the torque converter. Register now to gain access to all of our features. Cracked or broken egr tubes will create an exhaust leak which can cause a rough idle. The ats 3059002326 billet flex plate for your 2007.

Transmission flex plate sinister diesel flex plate. The sound is very similar to a bad engine rod and is often misdiagnosed. So while youre in there, check the flex plate for cracks or damage, you might just find the source of your noise this way. Feb 11, 2011 dude, looking at your questions for the past 2 weeks, you should give up trying to fix your own vehicle. Weve got tough yet affordable flexplates for stock and mildly modified street vehicles. One of the first symptoms of a problem with the egr tube is a rough idle. This may occur in worn engines or engine that have been poorly rebuilt.