Inspect the belts for signs of glazing or cracking. A glazed belt will be perfectly smooth from slippage, while a good belt will have a slight texture of fabric visible. Cracks will usually start at the inner edge of the belt and run outward. All worn or damaged drive belts should be replaced immediately. It is best to replace all drive belts at one time, as a preventive maintenance measure, during this service operation.
| Fig. 1: There are typically 3 types of accessory drive
belts found on vehicles today
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| Fig. 2: An example of a healthy drive belt
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| Fig. 3: Deep cracks in this belt will cause flex, building
up heat that will eventually lead to belt failure
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| Fig. 4: The cover of this belt is worn, exposing the
critical reinforcing cords to excessive wear
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| Fig. 5: Installing too wide a belt can result in serious
belt wear and/or breakage
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