Your Nissan engine relies on a variety of intricate, interconnected Components that get you the characteristic Nissan Drive you cant live w/o . Many of these Components connect via a series of belts, one of which is called the Serpentine Belt. Your Nissans Serpentine Belt is a strong, continuous belt that conduct power through and to the alternator, power steering pump, car A/C compressor, and, sometimes, Water pump. Sometimes the Serpentine Belt is called an accessory belt because it powers your Nissans peripheral devices. Serpentine Belts are generally made of tough-but-flexible rubber engineeRed to w/ stand the friction and heat of transferring power From one part of the engine to the next. However, like any other part, they are subject to wear and tear. Serpentine Belts can tear or crack w/ age, or they can malfunction if they become sOaked due to oil or coolant leaks. Additionally, they can slip, lose tension, or become misaligned due to faulty tensioning mechanisms, which may result in needing to replace both the tensioner and the Serpentine Belt, or recalibrating the belt, if possible. A few signs that you might have Serpentine Belt problems include: weird rattling noises coming From the engine, subpar Air Conditioning or steering Capabilities, an overheated engine, and visible cracks or wear on the belt. In general, your Nissan Serpentine Belt is one of your most long-lasting parts, but its useful life can be shortened due to coolant leaks, oil leaks, and old tensioners. You should get your Serpentine Belt inspected when you change your oil, or get a professional inspection From a Nissan service center in your area. The process of replacing your Nissan Serpentine Belt is dependent on the tensioner mechanism in your Nissan. Accordingly, you should check your Nissan owners Manual before attempting any part replacements at home. w/o a doubt, itll involve a Serpentine Belt w/ proper fitment for your Nissan model, and a belt tensioner tool. Remember that if your Nissan has a Manual or hydraulic Serpentine Belt tensioner, it may be a smarter choice to visit your nearest Nissan experts for professional assistance. When youre ready to get started, take a photo of your Serpentine Belts current Positioning and how it winds around your engines Components. Then, release the tensioner using a ratchet and gently unravel the Serpentine Belt, taking care not to mess w/ any accessories. Once youve removed the old Serpentine Belt, inspect it for signs of coolant or Motor oil leaks, tears, and breakage to pinpoint issues that go beyond-the-belt! Re-wind the new Serpentine Belt in the old ones place and re-activate the tensioner, using a wrench to tighten it to the appropriate level. Lastly, crank the engine and allow it to idle while inspecting its operation to ensure it runs smoothly. Whether you choose to replace the Serpentine Belt yourself or get professional replacement services at your local Nissan service center, getting the right parts for the job is vital. Thats why many Drivers prefer to order directly From Nissan Parts & Accessories! Find genuine Serpentine Belt replacements for your Nissan Altima 2007-2013, Nissan Maxima 2009-2014, and Nissan Murano 2009-2014. See the What This Fits tab for more details. Murano. Maxima. Sedan, 3.5L. Altima. 3.5l.