Parts for your 2009 Subaru Exiga-Drive belt pulley

2009 Subaru Exiga drive-belt pulley — what it does and when to service it

Yes, the 2009 Subaru Exiga uses drive-belt pulleys. The Subaru factory service manual for the Exiga YA series (Engine/Mechanical – Drive Belt section), the Subaru FAST parts catalogue for YA5/YA9 models, and AU/NZ aftermarket catalogues from major belt suppliers all show an accessory belt system with a crankshaft (harmonic balancer) pulley, alternator and A/C pulleys, plus idler and tensioner pulleys. So the drive-belt pulley is absolutely relevant on this model.

On the 2009 Exiga, the drive-belt pulleys transfer crankshaft rotation to the alternator, A/C compressor and power steering pump via V‑ribbed belts. The crank pulley leads the show, while the idler and tensioner pulleys keep belt wrap and tension spot on. When they’re healthy, fans get steady charge from the alternator, cold air from the A/C, and easy low-speed steering without any squeals under the bonnet.

Over time, pulley bearings can dry out, seals can weep, and faces can wear grooves. If there’s a chirp on cold start, a rattly bearing noise at idle, visible belt wander, or the crank pulley shows rubber separation (it’s a bonded harmonic balancer), it’s time for a closer look. Many Exiga engines of this era run two belts (A/C on its own and a main accessory belt), so inspecting every pulley the belts touch is smart practice.

For servicing, a good workshop will:

• Inspect belts and all pulleys every 15,000 km or 12 months, whichever comes first.
• Replace cracked, glazed or contaminated belts and any noisy or rough-feeling pulleys together to avoid repeat labour.
• Spin-check idler and tensioner pulleys off the car, any notchiness means replace.
• Verify alignment and correct tension after fitting, re-check after a short run-in.
• Use the proper holding tools and torque procedures for the crank pulley, it’s a high-torque fastener and best not tackled with shortcuts.

Quality matters here. Choosing OEM or reputable aftermarket pulleys and belts pays off in quiet running and long life. If the Exiga sees lots of stop‑start or hot conditions, consider shorter inspection intervals. And if a pulley is howling, don’t keep driving — a thrown belt can take out charging and steering in one hit, which is the last thing anyone wants on a busy Kiwi motorway or an Aussie back road.

Popular questions about the 2009 Subaru Exiga drive-belt pulley

How often should the Exiga’s drive-belt pulleys be replaced?
There’s no fixed kilometre count for pulleys alone, but many shops inspect them annually and expect tensioner/idler pulleys to last roughly 120,000–160,000 km in normal conditions. Replace earlier if there’s noise, wobble, roughness or the belt shows odd wear. Belts themselves are often renewed around 60,000–100,000 km depending on condition.

What are the signs a pulley is failing on a 2009 Exiga?
Common giveaways include squealing on start-up, a constant rumble or growl at idle that changes with engine speed, visible pulley wobble, belt tracking off-centre, or rubber separation on the crank pulley. Don’t ignore burning smells or frayed belt edges — that’s a prompt to book it in.

Can the Exiga be driven if a pulley is noisy?
It’s risky. A failing pulley can seize or shed the belt without warning, leaving the alternator and power steering offline and the engine overheating if the water pump is belt-driven on your variant. If it’s noisy, keep trips short and get it inspected promptly to avoid a roadside drama.