Your INFINITI engine relies on a multitude of complex, connected parts that get you the characteristic INFINITI drive you cant live without. Many of these components connect via a series of belts, one of which is called the Serpentine Belt.

Your INFINITIs Serpentine Belt is a strong, continual belt that conduct power through and to the power steering pump, alternators, A/C compressors, and, sometimes, the water pump. Sometimes the Serpentine Belt is called an accessory belt because it powers the peripheral devices in your INFINITI engine. However, that simple reference doesnt make it any less important.

INFINITI Serpentine Belts are typically made of reinforced rubber manufactured to withstand the challenges of transferring power from one part of the engine to the next. But, like other car parts, Serpentine Belts are subject to wear and tear.

With age, Serpentine Belts can fray or crack or they can malfunction if they become soaked due to oil or coolant leaks. Also, they may lose tension, lack alignment, or slip because of malfunctioning tensioning systems, which may result in needing to replace both the tensioner and the Serpentine Belt, or recalibrating the belt, if possible. Some symptoms of Serpentine Belt problems are: engine rattling noises, subpar air conditioning or steering capabilities, engine sweltering, and visible cracks or wear on the belt.

In general, your INFINITI 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 opinion from one of the INFINITI experts at a service center near you.

The Serpentine Belt replacement procedure depends on the type of tensioner youre dealing with. Accordingly, you should check your INFINITI owners manual before attempting any part replacements at home.

Unsurprisingly, youll need a Serpentine Belt thats designed-to-fit your model and year, and an adequate belt tensioner. If your INFINITI has a hydraulic or manual tensioner mechanism, it may be a smarter choice to visit your nearest INFINITI experts for professional assistance.

When youre ready to get started, snap a photo of your belts current placement and how it winds around your engines components. Then, detach the tensioner using a ratchet and gently unwind the Serpentine Belt, ensuring not to mess with any accessories or pulleys!

Once youve removed the old Serpentine Belt, check it for signs of engine oil or coolant leaks, frays, and breakage to uncover any underlying issues that are not Serpentine Belt-specific. Re-thread a new Serpentine Belt in the old ones place and release the tensioner, tightening it with a wrench. Lastly, crank the engine and allow it to idle while visually ensuring that the new belt runs smoothly.

Whether you choose to DIY your INFINITI Serpentine Belt replacement or get professional replacement services at your local INFINITI service center, ensuring proper fitment of all your replacement parts is crucial. Order a genuine replacement Engine Serpentine Belt for your INFINITI FX35 2007-2008, INFINITI M45 2007-2008, INFINITI M35 2007-2008, INFINITI G25 2011-2013, INFINITI Q40 2014-2015, and INFINITI G35 2005-2007. See the What This Fits tab for more details.