A Mechanic's Guide to 1995-2000 Subaru Legacy Suspension Strut Bellows
Learn how this small, inexpensive boot protects your Legacy's expensive struts from premature failure.
- A torn bellow guarantees future strut failure; replace it as soon as it's found.
- KYB is an OEM supplier for Subaru and is the recommended aftermarket choice for quality and fit.
- Check your vehicle's history for the front coil spring recall (NHTSA 01V216000) before starting work.
- Replacement requires a spring compressor and bleeding the brakes, making it a job best left to a professional.
Is Your Strut Bellow Failing?
A strut bellow doesn't have mechanical symptoms like a bad engine part. The only way to know if it's bad is to look at it. Get a flashlight and inspect the suspension behind each wheel.
- Visible Cracks or Tears: The most common sign of failure is when the rubber becomes brittle with age and cracks or rips open.
- Missing Pieces: On older cars like the 1995-2000 Legacy, the bellow may have completely disintegrated and fallen off, leaving the shiny strut rod exposed.
- Loose Fit: It should be seated securely at the top and bottom. If it's loose, it can't do its job.
Don't Ignore a Torn Bellow
A torn bellow won't make your car drive differently today. However, it guarantees that your strut will fail prematurely. Replacing a simple bellow is cheap, but letting it go will lead to a much more expensive strut replacement job down the road.
Symptoms of a Failed Strut (What Happens Next)
If a bellow has been torn for a while, the strut it was protecting is likely damaged. Symptoms of a failing strut include:
- Bouncy, Unstable Ride: The car may continue to bounce after hitting bumps.
- Clunking or Banging Noises: You may hear noises from the corners of the car when driving over bumps.
- Nose-Diving or Squatting: The front end may dip hard when braking, or the rear may squat during acceleration.
- Uneven Tire Wear: Worn struts can cause a unique "cupped" wear pattern on your tires.
Choosing the Right Aftermarket Bellows
For the 1995-2000 Subaru Legacy, you have options that fit different budgets. Since this part is almost always replaced during a larger strut job, choosing a quality part is important to protect your investment in new struts.
| Brand Tier | Available Brands | Quality & Performance Assessment |
|---|---|---|
| OEM-Equivalent | KYB | KYB is a well-known original equipment manufacturer for Subaru, so their parts are trusted to match factory quality and fit. Choosing a KYB bellow (like part number SB103) is a reliable way to ensure proper protection and longevity for a new strut. It is considered the safe, standard choice for a quality repair. |
| Economy | Skyward | Skyward is a budget-friendly brand. Search results show their products for sale, but there are no specific reviews or forum discussions about their quality or durability. This brand may be a suitable choice if the lowest possible cost is your main priority, but its long-term performance is unknown. |
Vehicle-Specific Issues for 1995-2000 Legacy
IMPORTANT: Check for Recalls and Rust
Before working on your suspension, be aware of these known issues:
- Front Coil Spring Recall (NHTSA 01V216000): Affects 1995-1999 models. The front coil spring can break from corrosion. A broken spring could shift and puncture the front tire, causing a sudden loss of control. A dealer can check if this recall work was performed.
- Rear Subframe Rust: The rear subframe on these cars, especially around the 2000 model year, is known to suffer from severe rust, which can make the car unsafe to drive. Always inspect the entire subframe and suspension mounting points carefully when replacing rear suspension components.
Mechanic's Advice
The strut bellow is a "while you're in there" part. The labor to access it is the same as replacing the entire strut. Never reuse old bellows on new struts. The cost of the new bellows is tiny compared to the cost of the job itself. Also, replacing struts requires disconnecting the brake lines on this Legacy, which means you will have to bleed the brakes afterward. This makes the job more complex than on many other vehicles.
Frequently Asked Questions (FAQ)
Do I need to replace bellows in pairs?
Yes. Like struts, bellows should always be replaced in pairs (both front or both rear) to ensure even protection and because they have been exposed to the same conditions and wear.
What is the difference between a strut bellow and a bump stop?
The bellow is the thin, flexible dust cover. The bump stop is a dense foam or rubber cylinder that slides onto the strut rod inside the bellow. It prevents damage by stopping the strut from bottoming out. Many aftermarket bellow kits include a new bump stop.
Can I drive with a torn strut bellow?
Yes, but you shouldn't for long. The car will drive normally, but you are allowing dirt and water to get into the strut seal, which will cause the strut to fail much sooner than it should.
Do I need a wheel alignment after replacing strut bellows?
Yes. Because you must remove the entire strut to replace the bellow, a four-wheel alignment is required after the job is complete to prevent incorrect handling and rapid tire wear. On the front of this Legacy, the top bolt holding the strut to the knuckle is an adjuster for camber, making alignment critical.
Technical Specifications
OEM Part Numbers: 20322AA001 20372AA000
Fits front and rear struts for all 1995-2000 Subaru Legacy models. Material is typically thermoplastic elastomer (TPE) or rubber.
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The information in this article is provided for general reference and educational purposes only. Vehicle specifications, procedures, and part compatibility can vary by production date, trim level, and region. Always consult your vehicle's factory service manual and verify part numbers before purchasing or performing repairs. Safety-critical components such as airbags, seat belts, and braking systems should be installed by a qualified professional.
- Subaru Legacy:
- 🛍️ Shop This Part
- Is Your Strut Bellow Failing?
- Don't Ignore a Torn Bellow
- Symptoms of a Failed Strut (What Happens Next)
- Choosing the Right Aftermarket Bellows
- Vehicle-Specific Issues for 1995-2000 Legacy
- IMPORTANT: Check for Recalls and Rust
- Mechanic's Advice
- Frequently Asked Questions (FAQ)
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