Parts for your 2005 Nissan Serena-Drive belt

2005 Nissan Serena drive belt — what it does and how to look after it

Yes, a drive belt is relevant and fitted to the 2005 Nissan Serena. Technical sources including the Nissan Serena C25 factory service manual (Engine and Maintenance sections), Nissan MR20DE engine service information, and major belt manufacturers’ application catalogues identify an auxiliary/serpentine drive belt on this model. Those sources also note the Serena’s engines use a timing chain, so the rubber drive belt isn’t for valve timing — it runs the engine accessories.

On a 2005 Serena, the drive belt’s job is to spin key ancillaries: the alternator, the air-con compressor and, where fitted, the power steering pump. Without it, the battery won’t charge, the cabin won’t get cool on hot days, and steering effort can jump if the car has hydraulic power steering. Because the Serena’s camshafts are chain-driven, the accessory belt is the only routine rubber belt most owners need to think about.

For servicing, it’s smart to inspect the belt at every service and plan on replacement around 90,000–120,000 km or 6–8 years, whichever comes first. Heat, age and contamination (oil or coolant) shorten belt life. Modern EPDM belts don’t always crack visibly before they’re done, so also listen for noise and watch for charging or steering symptoms.

• Squeal or chirp on cold start or when turning on the air-con
• Cracks, fraying, missing ribs or glazing on the belt
• Black belt dust around pulleys
• Intermittent battery/charge warning light
• Heavier steering effort (if hydraulic PS is fitted)

When replacing the drive belt on a 2005 Serena, it’s good practice to check the automatic tensioner and idler pulleys and replace them if they’re noisy or rough. Confirm the routing diagram under the bonnet or in the service manual, and use an OE-quality EPDM belt sized for the exact engine and accessory setup. After installation, start the engine, watch the belt track, listen for noise, and recheck after a week for any dusting or slip.

Belt size varies with engine (e.g., MR20DE or QR20DE) and whether the vehicle has air-conditioning and hydraulic power steering. The correct part is best selected by VIN or engine code to avoid guesswork.

• Does a 2005 Nissan Serena have a timing belt?
  No — it uses a timing chain. The only regular belt to service is the accessory/drive (serpentine) belt for the alternator, air-con and, if fitted, the power steering pump.
• How often should the Serena’s drive belt be replaced?
  Inspect at every service and expect replacement around 90,000–120,000 km or 6–8 years. Replace sooner if there’s noise, glazing, cracks, contamination or charging/steering issues.
• What belt size does my 2005 Serena need?
  It depends on engine and accessories. Use the VIN or engine code and note whether the car has air-con and hydraulic power steering to get the exact belt length and rib count.