Parts for your 1999 Subaru Forester-Drive belt pulley

1999 Subaru Forester drive-belt pulleys

Yes, drive-belt pulleys are absolutely used on the 1999 Subaru Forester. The factory service manual for the EJ-series engines (1999 Subaru Forester Service Manual, Engine Mechanical ME(H4SO) – Drive Belt), the Subaru parts catalogue for the same model year, and Australian application guides from Gates and Dayco all list the crankshaft (harmonic balancer) pulley, alternator and power-steering pulley, A/C compressor and its tensioner/idler pulleys as standard equipment.

The Forester’s flat-four uses a set of ribbed belts and matched pulleys to spin the alternator, power steering pump, and air‑con compressor off the crankshaft. The water pump on this model is driven by the timing belt, not the accessory (drive) belts, which makes the drive-belt pulleys focused squarely on charging, steering assist, and cabin cooling. The big crank pulley (often called the harmonic balancer) transfers engine torque to the belts while also damping vibration. The alternator and power steering share a belt that’s tensioned via the alternator bracket, and the A/C runs its own belt with an adjustable idler pulley. Smooth idlers and tensioners keep belt wrap and alignment on point, so nothing squeals under the bonnet.

As part of routine servicing, it pays to inspect every pulley and belt together. Under the bonnet, look for wobble at the crank pulley, perished rubber in its balancer, and any misalignment. Spin idler and tensioner pulleys by hand, roughness or play means the bearing’s on the way out. Listen for chirps or a dry whirr with the engine idling—often a giveaway of a tired pulley bearing. Check belt condition too: glazing, cracks, frayed edges, or rubber dust point to a pulley issue as much as a belt one.

Replacement is straightforward for a trained tech: de-tension, remove the belt, swap the noisy or wobbly pulley, and refit. On the alternator/power-steer side, tension is set at the adjuster, then the lock bolts are tightened. The A/C belt tension is set at the idler’s adjuster screw. Always use the factory torque specifications from the Subaru service manual for the crank pulley bolt and bracket fasteners. After fitting new belts or pulleys, recheck tension and condition after a few hundred kilometres—belts bed in and can relax slightly. Using quality OEM-equivalent pulleys and replacing belts as a set helps the Forester charge properly, steer lightly, and keep its cool on hot Aussie and Kiwi days.

• Service tip: Inspect belts and pulleys every 10,000–15,000 km or at each service.
• Common symptoms: cold-start squeal, battery light flicker, heavy steering, visible pulley wobble.

Popular questions about 1999 Subaru Forester drive-belt pulleys

Which pulleys are fitted to a 1999 Forester?
The Forester runs a crankshaft (harmonic balancer) pulley, an alternator pulley, a power steering pump pulley, an A/C compressor clutch pulley, plus an A/C idler/tensioner and at least one smooth idler. The alternator and power steering typically share a belt, while the A/C runs a separate belt with its own tensioner.

How can someone tell a pulley is failing?
Clues include squealing or chirping under the bonnet, a rough or dry whirr at idle, visible belt wobble, edges of the belt wearing unevenly, or rubber debris. With the belts off, any roughness, notchiness, or play when spinning an idler means the bearing’s shot. A crank pulley with cracked or separated rubber also needs replacing.

Does the drive belt run the water pump on this model?
No. On the 1999 Forester EJ engine, the water pump is driven by the timing belt, not the accessory drive belts. The drive-belt pulleys handle the alternator, power steering, and air‑con only.