Parts for your 2000 Subaru Forester-Drive belt pulley

2000 Subaru Forester drive-belt pulley — purpose, fitment and servicing

Based on technical references, a drive-belt pulley is absolutely relevant to the 2000 Subaru Forester. The Subaru Factory Service Manual for MY2000 Forester (EJ-series engines) details V‑ribbed accessory drive belts running across the crankshaft, alternator, power-steering and A/C pulleys, plus idler and tensioner pulleys. It also documents toothed timing pulleys behind the front covers. Aftermarket catalogues from Gates and Dayco list multiple accessory belts and pulleys for this model, and Subaru’s parts catalogue shows the crankshaft pulley (harmonic balancer) and auxiliary idlers by part number. Put simply, the Forester is built around these pulleys, so the part is fitted and essential.

On a 2000 Forester, the drive-belt pulleys guide and transmit power from the crankshaft to the alternator, power steering pump and air‑conditioning compressor. Most versions run twin V‑ribbed belts rather than a single long serpentine, with smooth and grooved pulleys keeping everything aligned. The crankshaft pulley (harmonic balancer) also has a bonded rubber layer to damp vibration, protecting bearings and helping the engine feel that bit smoother under the bonnet.

Servicing is straightforward. During routine maintenance, the belts and pulleys should be inspected for alignment, wear and bearing condition. Spin idler and tensioner pulleys by hand (engine off) and listen for roughness, check for wobble, chips, glazing or rust-coloured dust. On the harmonic balancer, look for perished or separating rubber. A chirp on cold start, a squeal under load, or belt wander often points to a tired pulley or misalignment. Don’t use belt dressing as a cure, it only masks symptoms and can hasten belt breakdown.

Best practice is to inspect at every service and replace belts at recommended intervals for the era, then replace any noisy or loose pulleys on the spot. If the timing belt service is due, it’s smart to replace the timing idlers and tensioner at the same time. For accessory pulleys, swapping an idler or tensioner is typically a quick job with basic tools, follow Subaru’s service manual procedures and torque specs, and route the belts exactly as shown on the under‑bonnet diagram. If the crank pulley rubber is cracking or the pulley rocks, replace it—continuing to drive risks throwing belts or damaging front-end bearings.

When fitting new parts, use quality bearings and the correct belt profile and length for the EJ engine family. After refit, run the engine, recheck belt tracking, and listen for any lingering noises. A quiet, steady idle and straight belt run means the job’s been done right.

• Common signs of trouble: chirping/squealing, wobble, visible cracks, hot rubber smell, battery light flicker at idle.
• Helpful tips: keep hands and clothing clear with the engine running, never pry on plastic pulleys, recheck tension after initial run-in.

Popular questions about 2000 Subaru Forester drive-belt pulleys

How do you tell if a 2000 Forester’s drive-belt pulley is failing?
Listen for chirps or squeals that change with engine speed, and watch the pulleys at idle—any wobble or belt wander is a giveaway. With the engine off, spin idlers by hand, a gritty feel or play means the bearing’s on the way out. On the crank pulley, cracked or separating rubber indicates the harmonic balancer needs replacing.

Do the pulleys get replaced with the belts, or only when noisy?
Belts are consumables, pulleys are generally replaced on condition. If an idler or tensioner is noisy, rough or misaligned, change it with the belt. Many owners also proactively replace timing idlers and the tensioner during the timing belt service to avoid repeat labour. Replace the crank pulley if the rubber damper shows any deterioration.

Is an idler or tensioner pulley replacement a big job?
Accessory idler/tensioner replacement is usually straightforward and often completed in under an hour, depending on tooling and access. The key is following the Subaru procedure, setting correct belt routing and tension, and verifying no pulley misalignment remains afterward.