Nov 02, 2009 when i bought my m1009 it had a cracked flywheel and was making the typical rubbing sound when in reverse. Loose flexplateconverter bolts make a nasty sound similar to a rod knock, but immediately go away as soon as you try to accelerate the mass. Dude, looking at your questions for the past 2 weeks, you should give up trying to fix your own vehicle. Cummins flex plate if it has been time because you have checked out any type of brandnew cars, then you could be in for a pleasurable surprise when you determine the current modern technology.
Those factors ensure that when the engine starts and the driver puts it in drive, the cracked flexplate s movement will create a noise. It is not compatible with any other adapter nor is it oem replacement. I went to the shop and looked it over and never seen anything like it. The reason for the sound involves the flexplates location and its function. Arp flexplate bolts feature an exclusive flat 12 point head design and a larger than stock underhead radius for. The sound is very similar to a bad engine rod and is often misdiagnosed.
Each destroked flex plate is specifically designed, engineered and tested for e. Is this a common issue on these have my new one ordered and i dont belive this truck has under drive pulleys never had any audible or. Feb 11, 2011 dude, looking at your questions for the past 2 weeks, you should give up trying to fix your own vehicle. A guy i worked for in high school had a bronco ii with a broken flex plate, we were so sure it. We offer high quality new, oem, aftermarket and remanufactured dodge ram 2500 flex plate parts. The reason for the sound involves the flexplate s location and its function. I have owned three dodges 2002 2500 wcummins, 2004 2500 wcummins, and 2006 3500 with cummins. Dodge ram 12v cummins diesel runs perfectly but has cracked. Kit includes a set of eight 8740 pro series flexplate bolts that are rated at 200,000 psi that replace the factory dodge bolts. Shop by vehicle dodge cummins transmission for cummins flex plate for cummins covid19 update. Just last friday my truck sheared off every converter bolt, cracked the flexplate and the debris kocked out holes in my bellhousing. The classic and most obvious symptom of a cracked flexplate involves the sound it makes while the engine is running. Some 4l60e transmissions use a 300mm torque converter which will require you to purchase a different torque converter to work properly with this flexplate note. Cummins flex plate quality auto parts, new, used and.
In this video i talk about a noise coming between the engine and transmission. I would have picked her up today, but the shop got the wrong replacement flex plate shipped to them supplier had the wrong plate in the box. Anyways my son had the truck 4 months and busted the flexplate around the. Torque converter issues dodge ram forum dodge truck forums. Descriptions of the sound include clanking, chirping and a light knocking. The flex plate is what connects your engine to the torque converter, and the factory component is only meant to handle the output of the stock engine, not the high torque loads that can easily be produced by a modified. 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.
More severe misalignment can break a flexplate in 15,000 to 30,000 miles. Then the flexplate and converter welded themselves together trashing it. Available for 12v24v shown, or common rail engines. It ended up being the exhaust was partially cracked just above the rear differential. One day with the trailer attached, sound move from front to back. Dodge ram 2500 flex plate flywheel plate bd diesel atp. Recently it started to make a squealing noise when youd let off the throttle, it would go away once you cracked the throttle, i had thought just quickly belt squeak or turbo whine of some sort 2 more days went by and it started making a real bad rattle metallic sound almost constantly.
Damaged and leaking front seals and front transmission pumps are common symptoms. While this is the more likely reason, pull out the starter and check the plate and bolts first. Customer experienced loud engine noise and our tech found a cracked flex plate from over tightened bolts. The flex plate usually makes a tinny or clanging some times chirping sound while starting,shutting off, accelerating or decelerating. Listen for any rhythmic clunking or grinding noise while the engine idles in park or neutral, or idling in gear with a foot on the brake pedal. When a flexplate cracks, it often produces a loud knocking noise as it rotates. It bolts to the end of the crankshaft and the transmissions torque converter bolts to it. Excessive crankshaft flange runout or end plate can also cause flexplate cracking. The first cracked fp for me i ignorantly assumed the missing torque converter bolt was the problem so i missed the bellhousing problem. Could i take my broken flex plates, or a new or used oem flexplate, or some combination thereof and have a. Unfollow cummins adapter plate to stop getting updates on your ebay feed. 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 crackedbroken,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. Proposed the issue was the flex plate rather then the engine.
When they crack near the crank flange, they sound rodknockish. I pull off the inspection cover and it is so loud im afraid to put my head near the opening. Ok it is a 518, if the flex plate hits the front of the converter before its ears bolt holes hit the bolt tabs its either on the crank backwards, if thats even possible, or its the wrong plate. Adapter and flex plate for putting an allison transmission or chevy transmission behind a cummins 5. May 23, 2008 can a loose flex plate and torque converter on my 2007 dodge ram diesel cause engine damage over time.
A cracked flex plate is almost always a sign of other problems. This billet flex plate will allow you to convert your dodge transmission over to a ford e4od and a 4r100 note. 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. Dodge cummins bd precision dtt ats billet flex plates. I hear that cummins is sayng some get bent in cold climates when the valves get carbon or oil sludge stuck to the stems causing them to stick in their guides. My cummins engine has a loud knock but because i change my own engine oil they do not want to cover under warranty. Can a loose flex plate and torque converter on my 2007 dodge ram diesel cause engine damage over time. Jun 19, 2007 when they crack near the crank flange, they sound rodknockish. Can a loose flex plate and torque converter on my 2007 dodge. Must use ats backing plate 11907 ats billet flex plates features and benefits. The random stalling and rattling sound point to the flywheelflex plate being cracked or loose. As i was driving into work this morning i noticed a sound that seemed to come from the middle of the car. This flex plate is designed only for use with dcs gm apater plates. Currently registered clean title in hand impeccably maintained motor, everything works, starts and runs every time anytime all the time.
When i bought my m1009 it had a cracked flywheel and was making the typical rubbing sound when in reverse. I hear that cummins is sayng some get bent in cold. Includes transmission mounting bolts and starter mount bolts. 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. Flex plate cummins to gm dual pattern destrokes cummins to gm dual pattern flexplates is sfi 29. Well, with the dodge cummins, one of the weakest links is the factory flexplate, but the bd flexplate can change all that. 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. Loose flexplate converter bolts make a nasty sound similar to a rod knock, but immediately go away as soon as you try to accelerate the mass. Cracked exhaust ended up with transgo stage 3 shift kit, hd flex plate, and billet single disc lock up converter with short cut to allow for flex plate thickness.
A serious crack can cause a mild vibration when driving, so can a faulty torque converter. How to know if a flexplate is warped it still runs. May 26, 2004 a friend has had noise on his 93 ctd check flex plate hes cracked 2 in 150k other than that not sure my. The random stalling and rattling sound point to the flywheel flex plate being cracked or loose. Its not as futuristic as george jetsons trip that becomes a briefcase, but there are still some neat kitchen appliances nowadays.
Pull lower pan,check rod movement,or remove bearing cap. Buy performance transmission flex plates at alligator performance. Can a loose flex plate and torque converter on my 2007. This flex plate is designed specifically for use with dcs transmission adapter plates only. Ah, well, this is the first real money ive put into keeping the old girl on the road. Be advised that not all automatic transmissions utilize this flex plate. Arp the world leader in fastener technology has just released a new pro series flexplate bolt kit for 19892007 dodge cummins 5. 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. This plate will adapt your cummins motor to any gm automatic. Well, with the dodge cummins, one of the weakest links is the factory flex plate, but the bd flex plate can change all that. Well, the tranny shop tells me that its a cracked flex plate. Unfollow cummins flexplate to stop getting updates on your ebay feed. There will be four bolts attaching the flex plate to the torque converter and if you get a socket on the main crank bolt you can turn the engine by hand to get at all four. Vehicleengine search vehicleengine search makemodel search makeengine search.
The same things that cause the flexplate to crack can also cause transmission problems. We specialize in a widevariety of highquality car parts and accessories for your car, truck or suv. A loose bolt on a flexplate or a crack between its bolt holes. 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. Search our online flex plate catalog and find the lowest priced discount auto parts on the web. If the flywheelflex plate is vibrating, it can cause a momentary loss of crank sensor data to the pcm. I did not know this at the time i bought it as it was the first time in a long time owning an automatic, so all of my flexplate and torque converter knowledge have come from the last year of owning the blazer. Furthermore, if not properly diagnosed it will occur again and often damage to the transmission may follow. The flex plate replaces the flywheel in automatic transmission cars. Loose torque converter bolts and cracked flex plates. Your flexplate could also be cracked as well, certainly not unheard of on a 6. If you have a knocking noise from your engine it might not be the engine itself. 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.
If the flywheel flex plate is vibrating, it can cause a momentary loss of crank sensor data to the pcm. Torque converter issues dodge ram forum dodge truck. Sep 12, 2017 injector rattle or cracked flexplate jeffrey ruck. Then whom ever replaced the fp before me didnt catch the peened bellhousing and tightened it down causing a alignment problem. Slight misalignment may only cause a single flexplate to break in the life of the vehicle. Those factors ensure that when the engine starts and the driver puts it in. I have seen on occasion the torque converter bolts get loose and. This plate will adapt your cummins motor to a ford small. Arp flexplate bolt kit for 19892007 dodge cummins 5. Random rattling noise from bellhousing area the truck stop. 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.
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