Clutch not working

My clutch is not working. Could it be the clutch flywheel?
Experienced mechanics share their insights in answering this question :
If I had a description of what the clutch is doing I could tell you what is going on with it. If it is slipping then most of the time the clutch itself is failing. If you are having trouble disengaging the clutch then you may have a clutch master or slave cylinder issue. I would start by checking the fluid in the clutch master cylinder. If it is low then there is a leak that must be fixed. If you need to have this checked out, consider YourMechanic, as a certified mechanic can come to your home or office to diagnose the problem with your clutch.

How to Identify and Fix Common car Problems ?

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Sudden failure is most often caused by a broken or loose clutch cable, linkable or a failed hydraulic master/slave cylinder. There can also be leaks in the hydraulic line or even the disc could be contaminated with something like dirt or debris.
A clutch that won`t engage at all means there is serious damage somewhere. Check for a bent linkage, a seized slave cylinder, or a seized throw-out bearing. Beyond those, check for binding in the linkage, a corroded cable, or a failed friction plate.
“Riding” the clutch is the most common reason for premature clutch failure. Even the slightest pressure on the pedal will partially disengage the clutch, causing the release bearing, pressure plate and flywheel to overheat.
There could be a leak on the slave cylinder causing the slave cylinder not to operate. Also, check the pin to the clutch pedal and make sure that it is hooked up to the clutch master cylinder. Check the lines and make sure that they are not cross threaded, which will not seal and cause a leak.
Clutch Fluid Leaks

It is possible that your hydraulic clutch system took on air because there is a leak somewhere in the system – this is the most common problem we hear about from customers who call us or hit us up on Facebook.

Pressing the clutch and raising the RPM to 4000 to 5000 can be destructive for the entire car clutch system. A few wheel spins might make you replace your clutch place or even the entire clutch system.
Bad driving habits: Riding the clutch, pulling loads that are too heavy for your vehicle, driving in the wrong gear and placing your vehicle in reverse or first gear with the engine off are all poor motoring habits that can cause damage to the flywheel.
Why Is it Sticking? Your clutch pedal connects to its operating system via a cable. If the cable becomes stretched, then it loses some of the tension it needs to work. And if the cable breaks, then the clutch loses its connection and may stay down and fail to rise at all.
The most common cause of clutch slipping is wear and tear on the clutch plate. Over time, the clutch plate begins to slip, resulting in a loss of power. This can be caused by a number of factors, such as driving in stop-and-go traffic, or driving with a heavy foot.
Clutch: Clutch pedal falls to the floor without resistance

If there is no or little resistance to the clutch pedal, the most likely cause is a faulty clutch master cylinder. This is the unit that creates the pressure forcing the hydraulic fluid to more the clutch slave cylinder which disengages the clutch.

Relevant Questions and Answers :

the most relevant questions and answers related to your specific issue

Windshield wipers stopped working. They’ll suddenly stop working then suddenly start working again. Has been happening for a week.
ANSWER : The problem you are describing likely stems from an intermittent electrical fault in the wiper circuit. The windshield wiper system uses a small electric motor to move the wiper arms that you see on the windshield. That electric motor is controlled through a switch, relay, fuse, and wiring. One, or more, of those electrical components has failed although it is also possible that the mechanical arms are binding (seized, if the lubricant has dried out) thus causing the electric circuit to the motor to overload. Regardless of the underlying fault, if you request a non functioning wiper diagnostic/repair, the responding certified mechanic will get this taken care of for you. If you have further questions or concerns, do not hesitate to re-contact YourMechanic as we are always here to help you.

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My clutch is not working Entire clutch repair or clutch master cylinder repair? How do I check the cylinder?
ANSWER : Hi there. Check the slave cylinder to the clutch and see if the piston is all the way out. If the piston is all the way out or its not touching the clutch fork, then the release bearing has broken and the fork has moved into the clutch. If the slave cylinder is relaxed and the fork is against it, then the clutch pressure plate has sprung a pressure spring. If the pedal can go down but not all the way to the floor, then the clutch needs replaced with a new release bearing. If you need further assistance with a clutch replacement, then seek out a professional, such as one from Your Mechanic, to help you.

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My dash board don’t work my front light work when I change my light into high beam and my back window won’t go down
ANSWER : As unfortunate as it is, your vehicle would be considered flood damaged. Diagnosing electrical problems in a flood damaged vehicle is nearly impossible. This would take many hours or even days to determine which wiring harnesses and circuits have been affected. Then nearly all of the wiring under the dash would likely require replacement as well as many sensors and switches. On a BMW vehicle, the amount of wires and switches are likely more than that of a lower end vehicle. Due to the inefficiency in cost, you would likely be able to purchase another BMW like yours for less than what it would cost to fix your car. Many insurance companies would consider this type of damage to total out the vehicle unfortuantely.

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My AC does not always work. If I fiddle with the blower knob I can ususally get it to work on the lowest setting.
ANSWER : Hi There,
It sounds like you may have a faulty blower motor resistor. The highest speed setting may still work because in most cars in the highest fan speed settings the current bypasses the blower motor resistor. In some cars, if the resistor is failed, the fan may stop working completely. Another reason a blower motor resistor may fail is when the blower motor has a mechanical problem or when a foreign object jams the blower motor fan blade and prevents it from spinning freely. This leads to increased current through the resistor and causes it to overheat and fail. I would suggest having an expert from YourMechanic come to your location to diagnose your system to determine what may be causing the fan not to work properly.

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All dashboard lights and tail lights do not work after driving through a lot of snow. Headlights work. And brake lights work.
ANSWER : Hello. We’ll be happy to help you. There are a few things that I recommend checking to discover why your lighting system is malfunctioning. The headlight dimmer switch should be checked. Along with the wiring harness above the right front tire behind the fender well cover. Also
the main fuse under the hood should be inspected because other people with your particular vehicle have had similar lighting issues if that fuse goes bad. It will be a great idea to check the rest of the fuses in that area too while checking the main fuse. Once the fuses are checked inside of the main fuse box then I would check the fuses inside of their interior fuse box. The interior fuse box should be located on the driver side of the dashboard near where your legs would be. If you need more assistance with repairing your vehicle please keep in mind that our organization provides Mobile Mechanics who can help you diagnose and repair your vehicle, all at competitive rates.

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problem with clutch or transmission or both
ANSWER : It does not sound like you are having an internal transmission failure. It sounds like you have a clutch issue. Most of the time when this occurs the clutch plate either breaks or the pressure plate loses one of its springs. Both will cause this to occur. It can even be binding in the throw out bearing in the clutch. The transmission would need to be removed from the vehicle in order to properly diagnose this. You should have a transmission specialist check it out.

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Clutch pedal stays to floor. Replaced master cylinder. Clutch push rod broke. Also do I need to change slave cylinder
ANSWER : If you have an issue with your clutch pedal going to the floor, the slave cylinder is normally the cause of this circumstance.

Also, if the push rod has been broken the first step would be to track down a new one because that push rod is a very necessary part of the clutch pedal system.

Once a new push rod has been located and installed, I would recommend having a new slave cylinder installed as well.

If you are in doubt about this repair, I would recommend having it performed by a qualified professional, such as one from YourMechanic. One of our mobile technicians will be able to come to your home to diagnose the issue with your clutch pedal and replace your clutch slave cylinder as necessary.

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Soft clutch, topped off clutch fluid reservoir and clutch pedal became firm/springing back on its own.
ANSWER : It is most common for the clutch hydraulic leak to be from a leaking clutch slave cylinder. You should have the clutch hydraulic system inspected by YourMechanic to see why the fluid is getting low. The fluid gets low anytime there is a leak in the system. You may need to have the clutch slave cylinder replaced. If the clutch master cylinder and slave cylinder are both need replaced then it is a good idea to have both the clutch master and slave cylinders replaced together as a pair.

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