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Does your clutch pedal feel stiff? Do you have trouble engaging first gear? If so, your clutch is probably in need of service. The clutch is a crucial part of any car that uses a manual transmission. If you still haven't made the switch to an EV, then this guide is for you.
In this article, we'll go over why your clutch pedal may have become harder to press.
First, let's cover the basics. When you press the clutch pedal, air pressure is applied to a diaphragm that pushes on the clutch. The pressure causes friction in the clutch as it rubs against the metal plates. When you release your foot from the pedal, this air pressure is released, and you can move your car forward or backwards without any resistance from the engine.
The torque generated by a car engine is negligible when the vehicle stands still. You must depress the clutch pedal to get going with a manual car. The engine's power must be transferred into the wheels through a transmission that takes up load gradually. This is what the clutch is and does.
The moment you release the clutch, your transmission begins to take up the load and move smoothly.
There are several causes, but the most common is when the clutch pedal sticks. The clutch system uses hydraulic fluid to operate. If it leaks, you might notice that your pedal feels stiffer than usual. Another common problem is the pedal feeling spongy, which is a similar feeling. If this is the case, check under your car for leaks or get a professional to inspect it.
If there's no apparent leak in your vehicle's hydraulic system, there are other reasons for a stiff clutch pedal.
Before diving into the deep end, make sure you do this simple check. One would think this a problem that wouldn't be overlooked, but it happens more often than you'd think. People often drive around with small objects rolling around in their vehicles, unaware of the dangers these can cause.
If any of these objects were to get caught between the clutch pedal and the floor, it could cause problems with your ability to push down on that pedal.
It’s a good idea to check for this simple problem before investing time and money on more complicated repairs.
In the transmission, there is a shaft known as the cross gear. This transfers pressure from your foot onto another part called the clutch release bearing component.
This action disengages the clutch, so if this part is damaged or worn out, it can cause the pedal to feel stiff when pushing down.
This also could affect the performance of the whole transmission system.
If your clutch feels harder to press, it may be due to a problem with the pivot ball. The pivot ball is what connects the pressure plate to the throwout bearing.
If it's faulty, the clutch will not engage properly, and you will definitely notice the stiffness.
As with many moving parts, the pivot ball may get worn out or damaged over time, and the clutch won't work smoothly.
If the clutch pedal feels stiff, it might need to be adjusted, which can be good news as it means it's not broken. However, over time, the clutch can get out of alignment.
To diagnose this, in some cases, the clutch becomes partially or fully disengaged when the pedal is at the top point. If this is the case, you usually check the adjustment before going into more complicated troubleshooting.
Book your car in for a service if you cannot adjust the clutch pedal yourself, as this can be a delicate job.
Most cars have a clutch cable which connects the pedal to the linkage. When the pedal is depressed, a cable pulls on a linkage that releases or disengages the clutch.
This allows you to change gears. However, if the clutch cable is stretched out, it can become loose and require you to press the clutch pedal harder.
As explained in the previous point, the clutch linkage allows for the clutch and transmission to work together. In addition, the linkage multiplies the force applied at the pedal.
A worn-out, or failing clutch linkage, means disengaging the clutch would be much more difficult, hence the stiffness of the pedal.
The clutch slave cylinder and the clutch master cylinder work together to disengage the clutch when you push on your pedal.
The first sign of a fault is gear shifting becomes more difficult, and the clutch pedal is stiffer.
Another issue is if your transmission is low on fluid or if the liquid in it has been contaminated, then this will definitely affect your clutch. These can also cause issues with other components in the transmission.
If your vehicle's transmission fluid is low, the clutch may engage sooner than it should.
The good news is that if you managed to identify this fault, all you need to do is replace the gear oil and all symptoms of a bad clutch, and stiffness, would be solved almost instantaneously.
The clutch plate works with the disc and flywheel to control engagement and disengagement with the transmission. These components make sure gears shift properly and smoothly.
Over its lifetime, the pressure plate endures a lot of friction and pressure to work correctly. As the friction material wears down, a stiff or rigid feel will develop when you push on the pedal.
A hydraulic system uses a hydraulic hose to move pressurised fluid when the clutch pedal is pressed. If anything is blocking the hose or other components are pinching it, it will make the fluid move harder. This will result in a stiff pedal.
If there is air in the hydraulic line, then it can cause stiffness in your clutch. Air usually gets trapped inside if there's a leak somewhere in the line. This causes air to enter the system and can make your clutch pedal harder to press.
When you take your car to be serviced, they will likely end up replacing the whole line if it's damaged and a leak is indeed present.
Suppose you are experiencing a leak in your hydraulic clutch system and want to fix it yourself.
In that case, there are several DIY methods that can be successfully implemented. The most common repair method is to replace worn-out seals and gaskets with new ones.
Clutches wear out as they experience quite a lot of friction and wear and tear during their lifetime. In fact, many cars have their clutches replaced before they end their lifetime.
The question of how many miles a clutch normally lasts is a bit hard to answer because many factors go into the life expectancy of any car's clutch.
The main factor which affects clutch lifespan is your driving habits - the more stress you put on your clutch, the shorter its life span will be.
The general rule of thumb is that a clutch could potentially last over 100,000 miles, but some cars need their clutches replaced much sooner. Usually at the 60,000 miles mark. However, if you don't have any symptoms of a failing clutch, you're good to keep driving.
Clutch replacement costs can vary widely depending on what kind of car you have and where you live. On average, a clutch replacement can cost anything from £400 to more than £1,000. This covers the parts and labour!
However, most drivers should be ready to fork out about £500. If you leave your car at the garage, they should be able to replace it in half a day.
Worth reading up about this case of a Vauxhall Astra, which had a failing clutch at just 22,000 miles on the clock, and the quoted price to repair it was £1,100.
If your clutch suddenly fails while you’re driving, don't panic! You're not in immediate danger of an accident. However, you must still take extra care if you’re on a busy road.
Follow these steps:
If you’ve subscribed to a car, your subscription provider will have given you the name and details of the roadside assistance partner they work with.
The subscription company will also take care of the onward servicing required to fix the clutch, which is included in the monthly payment.
Are you tired of traditional vehicles, and maybe you want something more futuristic? Then, why not check out the best 5 electric cars to take on a monthly subscription or learn more EV subscriptions?
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