What can cause clutch slippage?

Clutch slippage occurs when the clutch fails to fully engage, allowing the engine to rev without fully transferring the power to the wheels. This can be caused by several factors, and each of the options mentioned contributes to the potential for clutch slippage.

A worn clutch disc is one of the primary causes, as the friction material on the disc diminishes over time due to continuous use. Once the material is worn down, the disc cannot grip the flywheel effectively, leading to slippage.

Insufficient fluid levels, particularly in hydraulic clutch systems, can also lead to slippage. Low fluid can impair the function of the hydraulic mechanism that engages and disengages the clutch, preventing it from fully engaging and allowing for slippage.

Over-adjusted friction plates can create excessive tension or misalignment in the system, which can likewise contribute to slippage. If the plates are overly tight or positioned incorrectly, they may not engage properly.

Since all of these factors contribute to the situation leading to clutch slippage, the comprehensive selection, which includes all these potential causes, accurately captures the complexity of issues that could result in this problem. Understanding these causes is crucial for diagnosing clutch-related performance issues in manual transmission systems.