When a throw-out bearing (also known as a clutch release bearing) fails in a manual transmission, a number of problems can occur that affect vehicle performance and driving safety. Here are some of the main symptoms and consequences:
1. Abnormal Noise: A failed throwout bearing can produce a strange sound, such as a crunching or grinding noise, when the clutch is depressed. This sound may become more noticeable when shifting gears .
2. Clutch pedal vibration: When the throwout bearing is not properly aligned with the pressure plate, it can cause the clutch pedal to vibrate when depressed.
3. Difficulty in shifting gears: As the throwout bearing wears, shifting gears may become difficult or not feel smooth enough, or may even become stuck .
4. Abnormal pedal feel: The clutch pedal may feel unusually heavy or have a longer stroke, due to bearing damage that affects the normal operation of the clutch system.
5. Deterioration of driving performance: In extreme cases, a failed throwout bearing may lead to complete failure of the clutch system, and the vehicle may not be able to shift gears properly, or even be unable to drive in severe cases.
6. Clutch slippage
In the case of severe damage to the clutch release bearing, clutch slippage may also result. This is because the failure of the bearing makes the clutch pressure plate unable to fully press the clutch plate, resulting in the clutch slipping when transmitting power. Clutch slippage can seriously affect the acceleration and fuel economy of the vehicle, as well as increase the wear and tear of the clutch.
7. Transmission Damage
If the failure of the clutch release bearing is not repaired in time, it may also lead to further damage to the transmission. Because the clutch is a key component connecting the engine and transmission, its failure will directly affect the normal operation of the transmission. Driving for a long time with a slipping clutch or difficult operation will increase the wear and tear of the gears and bearings inside the transmission, and even lead to transmission failure.
8. Additional Wear: Left untreated for a long time, a failed bearing will increase the wear of other clutch components, such as the pressure plate and clutch disc, leading to more expensive repairs.
Safety Hazard
Failure of the clutch release bearing can also pose a safety hazard to driving. Because the clutch is a key component in controlling the starting, shifting and stopping of the vehicle, its failure can result in the driver not being able to accurately control the vehicle's speed and power output while driving. This could increase the risk of losing control of the vehicle, posing a threat to the lives of the driver and passengers.
Solution
Once signs of clutch release bearing failure are detected, the driver should immediately take the vehicle to a professional repair store for inspection and repair. Repairers will replace or repair the bearing according to the specific situation to ensure the normal operation of the clutch. At the same time, drivers should also pay attention to clutch care and maintenance in daily use, avoiding bad driving habits such as long-time semi-linked driving and frequent pressing of the clutch pedal to prolong the service life of the clutch.
The cost of replacing a throwout bearing usually ranges from $400 to $1,500, with most of the cost being labor costs. The part itself does not cost much, especially if purchased as an aftermarket part, which can cost between $10 and $80. However, the work is more complex and requires specialized skills .
Summarizing:
To prevent premature damage to the throwout bearing, it is recommended that you change your driving habits to avoid unnecessary stops, reckless starts, or driving with one foot on the clutch. In addition, reducing the amount of time the clutch is depressed, such as shifting the vehicle into neutral when stopping at a red light, will reduce the stress on the throwout bearing . Regular inspection and maintenance of the clutch assembly is also very important . If one of these symptoms occurs, it is recommended that a professional mechanic be contacted as soon as possible for diagnosis and replacement .