A Forester Owner's Guide to 2003-2008 Engine Mount Replacement
Stop excessive engine vibration and noise by choosing the right replacement mount for your Forester.
- Bad engine mounts cause vibration at idle and clunking noises during acceleration.
- Check for oil leaks above the mounts, as leaking oil will destroy the new parts.
- For best results and longevity, OEM or premium aftermarket brands like Beck Arnley are strongly recommended over budget options.
- Always replace engine mounts in pairs to ensure the engine is evenly supported.
Symptoms of a Failing Engine Mount
When an engine mount fails on your Forester, the signs are hard to ignore. The engine is no longer held tightly in place, leading to distinct symptoms. You are the best judge of how your car should feel, so pay attention to new noises or vibrations.
- Excessive Vibration: This is the most common sign. You might feel a strong vibration through the steering wheel, seats, or floor, especially when the car is idling in gear at a stoplight.
- Loud Noises: Listen for clunking, thumping, or banging sounds from the engine bay. These noises are often most noticeable when you accelerate quickly, shift from drive to reverse, or start the engine. This is the sound of the engine moving too much and hitting other parts. 🎬 Watch: See these symptoms and learn how to test your mounts.
- Visible Engine Movement: Open the hood and have a helper safely start the engine and shift between drive and reverse with their foot firmly on the brake. If you see the engine lurch or jump more than an inch or so, the mounts are likely worn out.
A Word of Caution on Aftermarket Mounts
For many parts, aftermarket brands offer great value. However, for the 2003-2008 Forester's engine mounts, owner experiences are very mixed. Numerous drivers report that budget-friendly brands like Anchor, DEA, and Westar can fail quickly, sometimes in just a few months, or cause even worse vibrations than the old, worn-out parts. For a part that is labor-intensive to replace, choosing a quality mount from the start can save you from doing the job twice.
Choosing the Right Aftermarket Engine Mount
When shopping for new engine mounts, it's helpful to think in terms of quality tiers. The price often reflects the quality of the rubber and the precision of the manufacturing, which are critical for damping the boxer engine's vibrations.
Premium Aftermarket (Good)
- Beck Arnley: This brand is generally known for making parts that closely follow original equipment (OE) specifications. For those who prefer not to buy OEM parts, Beck Arnley is often considered a reliable alternative, though some users have still reported fitment issues.
Standard / Economy Aftermarket (Use with Caution)
- Anchor, DEA, Westar: These brands offer a low price point. However, they are frequently mentioned in forums for failing prematurely or providing poor vibration control. If your budget is the primary concern, be aware of the potential for a rough ride and a short lifespan.
- MTC: There is limited specific feedback for this brand on Subaru applications, making its quality uncertain.
Pro Tip: Before replacing your mounts, check for oil leaks from the valve cover gaskets or other seals above the mounts. Leaking oil will soak into the rubber and cause even high-quality replacement mounts to fail early. Fix any leaks first.
Estimated Replacement Costs
The cost to replace engine mounts includes the parts and labor. While the parts themselves can be affordable, the labor to install them is where most of the cost comes from.
| Item | Estimated Cost |
|---|---|
| New Aftermarket Mounts (Pair) | $60 - $180 |
| New OEM Mounts (Pair) | $200 - $350 |
| Shop Labor | $250 - $500 |
| Total Estimated Cost | $310 - $680 |
Frequently Asked Questions
How many mounts does my 2003-2008 Forester have?
Your Forester has two main engine mounts (left and right), one transmission mount, and a torque strut mount on top of the engine, often called a "pitch stop mount." 🎬 Watch: How to install and review a new pitch stop mount. The main engine mounts are the ones that most commonly fail and cause vibration issues.
Are the engine mounts on a 2003-2008 Forester hydraulic?
No, the original mounts on this generation Forester are not the fluid-filled hydraulic type. They are a standard design made of steel and solid rubber.
Can I replace just the one broken mount?
While you can, it is highly recommended to replace engine mounts in pairs (left and right). If one has failed, the other is likely near the end of its life from age and extra stress. Replacing them together ensures even support and vibration damping for the engine.
Is replacing engine mounts a DIY job?
For an experienced DIY mechanic, this is a manageable job. It requires safely supporting the engine with a jack, removing components like the exhaust headers for access, and having the right tools. For beginners, it is best left to a professional 🎬 See this DIY walkthrough for replacing engine and transmission mounts. due to the need to support the engine correctly.
Helpful Videos
![How to Install a Pitch Stop Mount [Subaru Impreza WRX STi Legacy Forester 1993-2017]](https://img.youtube.com/vi/tBjDwqS532U/mqdefault.jpg)
Technical Specifications
OEM Part Numbers: 41022FA092 41022AE12B 41040AE010
The 2003-2008 Subaru Forester uses two main engine mounts (left and right), one transmission mount, and one upper pitch stop mount. The main mounts are a non-hydraulic, mechanical design.
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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.
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