F150 flex plate noise

If your Ford F is experiencing a whining noise, its is often going to be caused by something in the engine compartment. The likely cause of whining noise will be determined by when you hear the noise, and under what conditions.

With that in mind, this page is divided by when you hear the whining noiseand common causes under those conditions. Before you go any further, is the whining noise constant when you rev the engine? Or does it not change with engine speed?

Here are the most common causes of whining noises when accelerating:.

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It should also be accompanied by the battery light. The power steering pump is a very common reason why your Ford F might whine when accelerating.

You need to check the fluid level and fill it back up to the factory fill line. The pump can also go out. To determine if it is the power steering pump, turn the wheel left and right with the vehicle sitting. Does the sound get louder while turning?

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All of your engine accessories will change their wine depending upon the RPM. Only the power steering pump will change with RPM or the steering wheel. This is particularly true when you first start the vehicle.

Whining when starting can be frustrating to diagnose, since you constantly have to start and restart the vehicle to duplicate the conditions that caused the sound to begin with.

f150 flex plate noise

As they go bad, they begin to glaze and stretch. They are really affordable. The radio can accept interference and cause noise when starting the vehicle.

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This is a great place to start, since it only takes a second. Or, it could be a situation where it is having a hard time disengaging.

What does a cracked flexplate sound like?

A bad torque converter can cause a whining sound when starting your vehicle. A good place to start would be to check the transmission fluid. If you see any flecks of metal on there, it is probably going to need serviced. As long as you have the dipstick out, go ahead and check the transmission fluid color. It can tell you a lot about the health of your transmission. Alternator whine is a product of a drop in voltage between the radio and the alternator itself.

It is usually way more noticeable on the A. M band of the radio. Alternator whine is almost always caused by a corrupted ground wire to the radio. Once a good ground is restored it should go away. Here is a great page with way more info on the subject.

Good luck figuring out what is making your Ford F make a whining noise. If there is anything that you would like to add, please leave a comment below.

The likely cause of whining noise will be determined by when you hear the noise, and under what conditions With that in mind, this page is divided by when you hear the whining noiseand common causes under those conditions.

A typical alternator 2. Power Steering The power steering pump is a very common reason why your Ford F might whine when accelerating.

f150 flex plate noise

Radio The radio can accept interference and cause noise when starting the vehicle.I installed a new starter, but it is still making a grinding noise like before. I think I might need a new fly wheel. Throughout my experiences working on them, I have come to learn that grinding sounds coming from Ford trucks are actually not that uncommon.

There can be a few different solutions to eliminate these noises depending on what part is doing the grinding. Since you mentioned that there was a new starter installed in your car, it is unlikely that it is the cause of the grinding noise you are hearing.

Since you mentioned that you changed your starter and the flywheel may be suspect, next you may want to go ahead and climb back under the truck and remove the access panel under the bell housing of the transmission. This will give you access to the flywheel.

This will allow you to slowly inspect the hidden areas of the flywheel that could be damaged. Be sure to mark the flywheel with white out or a marker so you can verify when you start and end as you rotate.

If at any time you feel uncomfortable doing this, please enlist the assistance of a certified mobile mechanic. A damaged flywheel will need to be replaced.

f150 flex plate noise

If you are unable to see any issues with the flywheel itself, then the problem may lay in the electrical components of the vehicle. I have also seen scenarios where an additional ground strap needs to be installed to the engine block to ensure a more stable connection of the starter to engage. There are also other cases where the ignition switch has failed to supply proper voltage to the starting circuit causing the starter solenoid to partially engage which can create a grinding noise.

As you can see, there are many reasons why you may be hearing a grinding noise coming from your truck, despite a starter change. In situations like this it is always best to enlist the assistance of a certified mechanic to inspect your vehicle and get you back on the road quickly and safely. Q: New starter making grinding noise. Rocco Lovetere Automotive Mechanic. Thank Rocco. Was this answer helpful? Thank you for your feedback!

Sorry about that. Why wasn't this information helpful?The Jalopy Journal. Terms of Service. Privacy Policy. Log in or Sign up. Atomic Industries www. Register now to get rid of these ads! The H.

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What does a cracked flexplate sound like? Vernon, WA. I've been working on this car a long time, and jsut got the car running 2 weeks ago, and am still trying to shakedown a few items The trans I had for the car turned out to have a bad pump, so I went and bought a used C6 from a junkyard and installed it last week. I took the car for a drive last Thursday, and heard what i thought to be valve clatter at idle. I thought this strange as the has positive stop rockers and Hydraulic lifters.

Friday night I took the car for about a 40 mile round trip. I noticed that under acceleration, there is a very loud and distinct clicking sound coming from the front of the trans area. Almost sounds like a rod knock, or perhaps a loose torque converter nut hitting the bellhousing or something.

I also noticed that the car will "clunk" when it shifts into gear, and from first to second, and second to third. It's not a super loud noise, but sounds similar to a bad U joint. I know the Ujoints are good, I just had the driveshaft reconditioned and shortened. I pulled the valve covers off and double checked all the rockers, they're fine.

I dropped the pan on the tranny, looking for any sign of metal shavings, dirt that might clog the pump, or anything ATF is clean and the screen looks brand new. I'm beginning to think I might have a cracked flexplate. Has anyone ever had a flexplate crack, and if so, does it sound like what I am describing?

Would a cracked flexplate cause sloppy shifts too? Any ideas? SwitchBladeJun 19, Oh, another thing, if I put the car in park or neutral, there is no loud noise, just the "lifter" noise.

That "lifter noise" when unloaded and at idle is what we usually see in our shop from cracked flywheels. RetrorodJun 19, It sounds like this. Bishop WeldingJun 19, Did you install the torque converter with the tranny, or did you bolt the converter to the flexplate first, then slip the tranny on the converter.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.

Similar in function to a flywheel in manual transmission engines and called a flexplate due to its expansion, or flexing, during the operation of the engine, flexplate usage presents opportunities for cracks to develop.

The classic and most obvious symptom of a cracked flexplate involves the sound it makes while the engine is running. Descriptions of the sound include clanking, chirping and a light knocking. The reason for the sound involves the flexplate's location and its function. Those factors ensure that when the engine starts and the driver puts it in drive, the cracked flexplate's movement will create a noise. At high speeds, the flexplate -- like most engine parts -- endures a considerable amount of strain and stress.

When it develops a crack, it cannot function as intended and one consequence involves a loss of power at high speeds. Like loss of power, this symptom could be caused by many factors other than a cracked flexplate.

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. This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.

Flexplate – What Does It Do ? – What Happens When It Fails

To submit your questions or ideas, or to simply learn more about It Still Runs, contact us. Cracked Flexplate Symptoms by Robert Alley. Poor Fuel Mileage Like loss of power, this symptom could be caused by many factors other than a cracked flexplate. About the Author This article was written by the It Still Runs team, copy edited and fact checked through a multi-point auditing system, in efforts to ensure our readers only receive the best information.

Photo Credits automobile engine image by palms from Fotolia.Ford Edge owners have reported 11 problems related to loud engine noise under the engine and engine cooling category. The most recently reported issues are listed below. Also please check out the statistics and reliability analysis of Ford Edge based on all problems reported for the Edge.

Tl- the contact owns a Ford Edge. The contact stated that while driving about 30 mph, a very loud noise that sounded as though the engine was dropping was heard. The vehicle was pulled to the side. There was no warning. The vehicle was towed to an independent mechanic who diagnosed that the transfer cage exploded. The contact stated that there was a recall number: 14v power train. I searched the VIN and advised that there was no recall.

The dealer was not called. The vehicle was not repaired. The failure mileage was approximately 82, See all problems of the Ford Edge. The contact stated that while driving a loud noise occurred that was coming from the engine. No warning lights illuminated.

The vehicle was taken to an independent mechanic and was diagnosed, the flex plate flying wheel are faulty and needed to be replaced. The contact called corwing Ford tri cities dealer, n autoplex wasy, pasco, wa and informed them of the failure. The vehicle was not taken to a dealer and was not repair. The manufacturer was made aware of the failure and informed the contact that the vehicle was not under a recall and did not assist.

The failure mileage was approximatelyWe had had a problem for over a year. The ac makes loud noises and cuts out and stops working it will speed up slow down with no touching. The bluetooth doesn't work properly and the phone doesn't sink or drops calls. The check engine light comes on!!!!

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Gave us the car back and were rude,my wife called customer care and made a complaint and nothing was done. We then sent videos of the issues. To the dealership we bought from which is 2 hours drive south of else delrare Ford.Our Address. Kings Mills, OH Sounds like the noise is coming from the passenger side valve cover using a Mechanics Stethoscope is my best guess.

Very tough! Here is what I have done to my F 4. Truck runs very good and strong. Ticking noise gets faster the more you accelerate. Turning the ignition key off, noise rattles down. They are fine and tight. Too much of a tick for rod knock. Does seem like it is quieter when engine has warmed up. What grade of fuel are you using? Is it 87 octane or higher?

Too high of an octane causes predetination and that sounds like a knock to most ears.

Cracked Flexplate Symptoms

You can try pouring in a bottle of zmaxx to see if that loosens it all up a bit. It could be a little starved for oil if the oil galleys are clogged. The 4. The most common ones to break at the ends of the heads. When you replaced the manifold, you should have replaced all the studs and nuts at the same time. Your observation that the noise abates with engine temperature really makes this the best logical place to start looking.

Get some vise grips and start turning. Then you can weld a nut onto the nipple and wait for it to cool; And then, finally, you can turn it out like a regular bolt. You could have fixed the symptom at one end of the manifold and recreated it all over at the other end.

It happens. Exhaust manifold is not the problem. I am very maticulus when I take something apart and put it back together. My profession is a Mechanical Engineer. I had 2 studs break, so I welded nuts onto the broken studs with a mig welder. Was able to extract them with just a pair of pliers.

I know what an exhaust noise sounds like. Not it. I said the noise lessens. Still ticks but not as loud. Until you let it sit at idle.

Then it becomes noticeable. Why would I not replace the studs and nuts with new ones? The old ones were all completely broken. If you have had so much knowledge of exhaust manifolds you should know that. Good for you. You never mentioned you were so meticulous.Flexplates actually consist of two parts. The flexplate and the ring gear fitted to the outside of it. The starter motor engages this ring gear to start the engine.

There may be times that you have to remove it. Above all, If you have to remove the flexplate; it must go back on the same way. Balancing is very important. The cracking on these flexplates can be seen; either around the crankshaft or torque converter bolt hole patterns. The flexplate can become cracked over time. As a result, This can cause the flexplate to wobble.

Finally, You might notice rhythmic clunking or grinding noises while the engine is running. A misaligned flex plate can also keep the engine from running smoothly. So, If you suspect you have a flexplate problem; there are a couple ways to investigate further. 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 also become damaged over time; causing a grinding sound. Ring gear problems can damage the starter motor as well.

A cracked flex plate is almost always a sign of other problems. Furthermore, If not properly diagnosed it will occur again and often damage to the transmission may follow. The same things that cause the flexplate to crack can also cause transmission problems. Finally, Damaged and leaking front seals; and front transmission pumps are common symptoms.

So, A car making noise when starting; often indicates either a starter failure or broken teeth on your transmission flex plate. Also, Some cars require several hours to replace the starter and hundreds of dollars for a replacement part. Consequently, The transmission must come out to replace the flex plate.

Many newer vehicles have replaced the traditional key-style ignition switch with a push button start. As technology advances, our lives become more convenient, but are we also putting ourselves at risk?

Flexplate install without removing the transmission Pt.2.

Will the push button […]. So, Ford has used emission thermactor plugs, for small block heads for many years.