Toyota Sienna Serpentine Belt Replacement for performance. Replace Toyota Sienna Serpentine Belt. Find Toyota Sienna ACcessory Belts In Canada. Proper maintenance of your Toyota Sienna's drive belts is crucial for optimal performance and longevity. Regularly inspect belts for cracks, fraying, or signs of wear; these are clear indicators that a replacement is imminent. To extend the lifespan, ensure they're correctly tensioned and free from oil or coolant contamination. When selecting a new belt, opt for high-quality materials like Epdm, which offers excellent durability and performance. Notably, serpentine and v-belts are available; choose based on your Sienna's specifications. During installation, follow the manufacturer's guidelines to ensure proper alignment and tensioning, safeguarding your vehicle's reliability and maximizing the potential for your customers' satisfaction.