Pennsylvania CDL Practice Exam 2025 – Complete Study Resource

Inspecting shock absorbers is crucial for ensuring the vehicle's safety and performance. A common defect to check for is fluid leakage, which can indicate that the shock is no longer able to effectively dampen the vehicle's movements. Shock absorbers work by controlling the motion of springs and suspension, and any loss of fluid means they are less effective, which can lead to poor handling and increased stopping distances.

Additionally, a rusty exterior can be a sign of deterioration and potential failure of the shock absorber, which compromises its ability to perform properly. Excessive bouncing during vehicle operation signals that the shock absorbers may not be functioning correctly, leading to a rough ride and reduced contact with the road.

Given these factors, all the conditions mentioned—fluid leakage, a rusty exterior, and excessive bouncing—are important indicators of shock absorber health and should all be checked during a vehicle inspection. Therefore, recognizing and addressing these defects is essential for vehicle safety and performance.