Symptoms of Worn Clutch Thrust Bearings

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A car’s clutch is made up of several components that must work in tandem for the clutch assembly to function properly. In this post you will learn what are the symptoms of clutch thrust bearing wear.

The clutch assembly is the direct link between the engine and transmission and is responsible for transferring power to the rear wheels of the vehicle. As such, problems such as a worn clutch thrust bearing can produce pronounced symptoms that indicate service is required.

Clutch Thrust Bearing Wear: Signs and Symptoms

Signs Of Deterioration Of Clutch Thrust Bearings.
Signs Of Deterioration Of Clutch Thrust Bearings.

Signs of clutch thrust bearing wear can be detected as follows:

1. noise

Corroded thrust bearings increase in amplitude between their rollers. This allows the bearing to move excessively in its seat, which can lead to rattling, screeching, or grunting noises coming from the transmission. Such noises or sounds are usually most visible when the clutch pedal is depressed to release the clutch.

2. Vibration/Pedal pulsation

When vibration can be felt as long as the clutch pedal is depressed, this could indicate a worn thrust bearing. While the pedal is depressed, the worn bearing cannot evenly distribute the load on the clutch plate, causing uneven contact with the pressure plate and the resulting vibration or pulsation is felt in the pedal.

3. Clutch sticking

Thrust bearings may lose their lubrication over time as they wear out. This lack of lubrication can cause the bearing to move stiffly or seize, making it difficult to completely disengage the clutch during gear changes.

This can cause grinding directly due to lack of lubrication in the bearing, and grinding when trying to change gears while the bearing is not fully releasing the clutch. The end result is difficulty getting the transmission to shift.

A car’s clutch is made up of several components that must work in tandem for the clutch assembly to function properly. In this post you will learn what are the symptoms of clutch thrust bearing wear.

The clutch assembly is the direct link between the engine and transmission and is responsible for transferring power to the rear wheels of the vehicle. As such, problems such as a worn clutch thrust bearing can produce pronounced symptoms that indicate service is required.

Clutch Thrust Bearing Wear: Signs and Symptoms

Signs Of Deterioration Of Clutch Thrust Bearings.
Signs Of Deterioration Of Clutch Thrust Bearings.

Signs of clutch thrust bearing wear can be detected as follows:

1. noise

Corroded thrust bearings increase in amplitude between their rollers. This allows the bearing to move excessively in its seat, which can lead to rattling, screeching, or grunting noises coming from the transmission. Such noises or sounds are usually most visible when the clutch pedal is depressed to release the clutch.

2. Vibration/Pedal pulsation

When vibration can be felt as long as the clutch pedal is depressed, this could indicate a worn thrust bearing. While the pedal is depressed, the worn bearing cannot evenly distribute the load on the clutch plate, causing uneven contact with the pressure plate and the resulting vibration or pulsation is felt in the pedal.

3. Clutch sticking

Thrust bearings may lose their lubrication over time as they wear out. This lack of lubrication can cause the bearing to move stiffly or seize, making it difficult to completely disengage the clutch during gear changes.

This can cause grinding directly due to lack of lubrication in the bearing, and grinding when trying to change gears while the bearing is not fully releasing the clutch. The end result is difficulty getting the transmission to shift.

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