Engine belts should be inspected for which of the following?

The inspection of engine belts is crucial for ensuring the proper functioning of a vehicle's engine. Belts are responsible for transferring power to critical components like the alternator, water pump, and power steering pump.

When inspecting engine belts, it's important to look for loose fibers, as this can indicate that the belt is worn or deteriorating. Loose fibers can be a sign of fraying or damage, and this condition can lead to belt failure, resulting in loss of functionality and potentially causing engine problems.

While excessive play and over-tightening are indeed issues that can arise with belts, the focus on inspecting for loose fibers highlights a specific damage indicator that may compromise the integrity of the belt. Discoloration can also occur for various reasons, but it is not as direct an indicator of potential failure as loose fibers. Thus, the emphasis on inspecting for loose fibers serves as a practical and preventive measure to ensure the longevity and reliability of engine belts.