A Guide to the 2006-2013 Volvo C70 Engine Torque Strut Mount
If you're feeling excess vibration or hearing clunks from your engine, your upper torque mount is the most likely cause.
- The upper torque strut mount is a very common failure item on the 2006-2013 C70, causing vibration and clunking noises.
- Replacement is an easy DIY job that takes less than 30 minutes and requires only basic tools.
- Avoid budget-friendly brands like Anchor or DEA, as they are known to increase vibration and fail quickly.
- Choosing a premium aftermarket brand like Vaico or an OEM part is highly recommended for ride quality and durability.
Is Your C70's Engine Mount Failing?
The upper torque strut mount on the 2006-2013 Volvo C70 is a common wear item. Because it's made of rubber, it cracks and degrades over time from heat and stress, sometimes failing in as little as 75,000 miles. When it fails, the symptoms are hard to miss. Ignoring them can put extra stress on the other two main engine mounts, leading to more expensive repairs down the road.
Common Failure Symptoms:
- Excess Vibration: This is the most common sign. You'll feel a new or increased vibration in the steering wheel, floor, or seats, especially when the car is idling.
- Clunking or Thudding Noises: A loud 'clunk' or 'thump' from the engine bay when you accelerate, brake, or shift between Drive and Reverse is a clear indicator. This is the sound of the unrestrained engine moving and hitting other parts.
- Visible Engine Movement: Open the hood and have a helper gently rev the engine while in Drive with the brake held firmly. If you see the engine rock or lurch more than an inch or two, the mount is likely bad.
A Note on Recalls
While there was a recall (NHTSA ID: 08V206000) for engine mount bolts on some 2008 Volvo models, it did not specifically include the C70. No recalls or Technical Service Bulletins (TSBs) have been issued specifically for the torque strut mount on the 2006-2013 C70.
Choosing the Right Aftermarket Part: A Warning About Quality
When shopping for a replacement torque mount, you will find a wide range of prices. For this specific part, there is a significant difference in quality between budget and premium aftermarket brands.
- Budget Brands (e.g., Anchor, DEA): These are the cheapest options available. However, many Volvo owners report that these mounts use a harder rubber compound that actually increases cabin vibration compared to the original, worn-out part. They are also known to fail very quickly, sometimes within a few months, meaning you may have to do the job all over again.
- Premium Aftermarket Brands (e.g., Vaico): Brands like Vaico are known for making parts that are very close to Original Equipment (OEM) quality. They use a rubber compound that is properly designed to absorb vibration without being too soft. While they cost more than budget options, they provide a much smoother ride and a significantly longer service life, making them a better value in the long run.
Pro Tip: Inspect the Other Mounts
The C70 has three primary mounts supporting the engine and transmission. The upper torque strut is the easiest to replace and fails most often. When it fails, it puts extra stress on the other two: the right-side engine mount (under the coolant reservoir) and the left-side transmission mount (under the battery). When you replace the torque strut, it's a good idea to inspect the other two for leaks or damage.
Cost Comparison for Engine Torque Strut Mount
| Part Type | Estimated Cost |
|---|---|
| New Aftermarket | $32 - $85 |
| New OEM (Genuine Volvo) | $110 - $180 |
| Shop Labor | $50 - $100 |
Frequently Asked Questions
Is this a difficult part to replace myself?
No, this is considered one of the easiest repairs you can do on your C70. It is located right on top of the engine and is easily accessible. The job requires basic hand tools and can typically be completed in under 30 minutes. You do not need to support the engine to replace this specific mount.
What tools are needed for the replacement?
You will typically need a socket wrench with an extension, and 15mm sockets. You may also need an 8mm socket to move the coolant reservoir mounting bolt. A torque wrench is recommended to tighten the bolts to factory specifications.
Why not use a polyurethane (poly) performance mount?
Performance mounts use very stiff polyurethane instead of rubber. While they eliminate almost all engine movement, they also transmit nearly all engine vibrations directly into the cabin. For a daily-driven luxury convertible like the C70, this results in a harsh and noisy ride that most owners find unpleasant.
Does a bad torque mount cause other problems?
Yes. When the torque mount fails, the engine can move excessively, which puts significant strain on the other engine and transmission mounts. It can also stress exhaust components, coolant hoses, and wiring. Replacing a failed mount promptly is a cheap and easy way to prevent more complex repairs later.
Technical Specifications
OEM Part Numbers: 30680474
This is the upper engine stabilizer mount, often referred to as a torque rod. It is not a hydraulic, fluid-filled mount. It consists of a metal bracket with a pressed-in rubber bushing.
We Have This Part in Stock
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.
- Volvo C70: