Parts for your 2022 Subaru Outback-Drive belt

2022 Subaru Outback drive belt — what it does and when to replace it

Yes, the 2022 Subaru Outback uses an engine accessory drive belt (a multi‑rib “serpentine” belt). This is confirmed by Subaru’s factory service information for the FB25 and FA24 engines used in MY2022 Outback, and by major belt catalogues from OE suppliers. It’s worth noting this model does not use a timing belt — both engines run a timing chain — but they do rely on a separate accessory drive belt for ancillaries. Subaru’s scheduled maintenance literature also lists “inspect drive belt(s)” at regular services.

On a 2022 Outback, the drive belt’s core job is to spin the alternator (keeping the battery charged and electrics happy) and the air‑conditioning compressor (keeping the cabin cool). The cooling fans are electric and the water pump is chain‑driven internally on these engines, so the belt isn’t responsible for coolant flow — but it’s still mission‑critical for charging and A/C performance.

For day‑to‑day servicing, the belt should be checked at each routine service (about every 12 months or 15,000 kilometres, as commonly scheduled in Australia and New Zealand). Modern EPDM belts often last 90,000–150,000 kilometres, but condition, climate, and driving style matter. Replace the belt if there’s cracking across the ribs, chunking, fraying at the edges, glazing/shiny ribs, or if there are persistent squeals or chirps after start‑up.

• Typical symptoms of a tired belt:
  • Brief squeal or chirp on cold start or when the A/C kicks in
  • Battery warning light or dimming lights at idle
  • Intermittent A/C performance
  • Visible rib cracks, frayed edges, or rubber dust around the front of the engine

When replacing, it’s smart to inspect the automatic tensioner and idler pulleys at the same time, worn bearings or a weak tensioner can cause noise and premature belt wear. Fit a quality OE or OE‑equivalent EPDM multi‑rib belt and make sure the ribs sit cleanly in every pulley groove under the bonnet. If the vehicle often tows, does short trips, or lives in hot, dusty conditions, shorten the inspection interval and don’t hesitate to renew the belt earlier. It’s an inexpensive bit of preventative maintenance that saves hassle on the side of the road.

Popular questions about 2022 Subaru Outback drive belts

Does a 2022 Outback have a timing belt or chain?
It has a timing chain. The accessory drive belt is separate and runs the alternator and A/C compressor, while valve timing is handled by a maintenance‑free timing chain inside the engine.

How often should the drive belt be replaced?
Inspect it at every regular service (about 12 months/15,000 km). Many belts go 90,000–150,000 km, but replace sooner if there’s cracking, glazing, fraying, noise, or if the tensioner/idlers are worn.

What does a squealing belt mean on a 2022 Outback?
Usually it’s slip from a worn belt, contaminated ribs, or a weak tensioner/idler. A quick inspection under the bonnet will tell the story — if the belt looks tired or the pulleys feel rough, renewing the lot typically sorts the noise and protects the charging and A/C systems.