AV-SCANNER / Service function guides / Engine and oil
This comprehensive guide covers the inspection and replacement of the serpentine belt, tensioner, and idler pulleys on a wide range of vehicles, written for both serious DIYers and professional mechanics. You will learn how the accessory drive system works, how to diagnose wear and failure, and how to safely remove and install the belt and its related components. The step-by-step procedure includes preparation, tool selection, and verification steps to ensure a job done right the first time. By the end, you will be able to perform a complete serpentine belt service and troubleshoot common issues that arise.
Guidance is general and covers many makes. Exact procedures and values vary by model, so confirm them in the factory service information for your vehicle.
Download all 12 sections as a branded PDF to use in the workshop.
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