Parts for your 2010 Subaru Legacy-Sway bars & links

2010 Subaru Legacy sway-bars-&-links: what they do and how to look after them

Referencing the Subaru Factory Service Manual for the 2010 Legacy/Outback (BM/BR chassis), Subaru’s parts catalogues, and well-known aftermarket catalogues (e.g., Whiteline and MOOG), the 2010 Subaru Legacy is fitted with both front and rear stabiliser (sway) bars and corresponding end links. These components are standard across the range, with bar diameters varying by model and trim.

On this Legacy, the sway-bars-&-links team up to keep the car flatter and more composed through corners. The bar resists body roll by transferring load across the suspension, while the links connect the bar to the control arm or strut so it can actually do the job. The result is sharper steering response, better grip, and a more confident feel on winding Kiwi and Aussie roads.

As part of normal servicing, it’s worth giving the sway-bar bushes and links a look every service or two, especially once the odometer is into six figures. Rubber bushes harden and crack over time, and link ball joints can develop play. Typical road use often sees wear show up anywhere after 80,000–150,000 kilometres, sooner if the car regularly tackles rough roads or carries extra load.

• Tell-tale signs they need attention:
  • Clunks or knocks over speed bumps or driveway entries
  • Extra body roll or a vague, twitchy front end
  • Squeaks or groans from the bar bushes in wet or cold weather

When replacing, many owners do links and D-bushes at the same time. Links are usually swapped in axle pairs to keep handling balanced. New self-locking nuts are a smart idea, and re-torquing fasteners at normal ride height helps avoid bush preload. A wheel alignment typically isn’t required for link or D-bush changes on the Legacy, since you’re not altering adjustable geometry.

Choosing bushes? OE-style rubber keeps things quiet and comfy. Polyurethane tightens response and lasts well, but can add a touch of NVH if not greased correctly. Whichever way it goes, a quick road test after the job—listening for silence and checking for clean, confident turn-in—tells the story. Keeping the sway-bars-&-links in good nick preserves the Legacy’s safe, planted feel without breaking the bank.

Practical tips:

• Soak old link nuts with penetrant and use a hex/torx hold to prevent stud spin
• Inspect the bar for rust where it passes through the D-bushes
• Check rear-bar clearance to exhaust after reassembly

Popular questions about 2010 Subaru Legacy sway-bars-&-links

Do all 2010 Subaru Legacy models have front and rear sway bars?
Yes. According to the Subaru service manual and parts listings for the BM/BR chassis, every 2010 Legacy variant comes with front and rear stabiliser bars and end links. Bar diameters and tuning can vary between trims (e.g., 2.5i, 3.6R, GT), but the hardware is fitted across the board.

Can worn sway-bar links cause uneven tyre wear?
Not typically. Worn links and bushes mostly show up as clunks and extra body roll rather than direct alignment changes. That said, excessive movement can make the car feel less controlled and may contribute to subtle wear patterns over time. If there’s uneven tyre wear, it’s smart to check alignment, shocks, and bushings alongside the sway-bar gear.

Should sway-bar links and bushes be replaced in pairs?
It’s good practice to replace links in pairs on the same axle to keep handling consistent. Bushes are inexpensive and often worth doing with the links. If considering polyurethane bushes for longevity and sharper feel, weigh that against a possible increase in noise and the need for proper lubrication.