Parts for your 2001 Nissan Serena-Drive belt pulley

2001 Nissan Serena drive-belt-pulley — what it does and how to look after it

Technical documentation confirms a drive-belt pulley is absolutely relevant on the 2001 Nissan Serena (C24). The factory Serena C24 service manual for QR20DE petrol and YD22 diesel engines shows an accessory drive belt with a crankshaft pulley (harmonic balancer), idler(s) and an automatic tensioner driving ancillaries. Reputable aftermarket catalogues (e.g., Gates, Dayco) also list belts, idler pulleys and tensioners for this model/year. So yes — the 2001 Serena is fitted with drive-belt pulleys, and they’re a normal wear-and-tear item.

On this Serena, the drive belt and its pulleys power key accessories like the alternator, power steering pump and air-con compressor. The crank pulley takes engine rotation and, via the belt, turns those components. Idler and tensioner pulleys keep the belt guided and at the right tension, so everything charges, steers and cools like it should. When a pulley bearing gets rough or the tensioner weakens, you’ll often hear chirps or squeals, see the belt wandering, or notice a flickering battery light and heavy steering. Left too long, a failing pulley can chew out the belt or dump it altogether.

As part of routine servicing in Aussie and Kiwi conditions, it’s smart to inspect the belt and pulleys at least yearly, or every 10,000–15,000 km. Look for belt cracking, glazing or frayed edges