The Porsche 911. A name synonymous with performance, style, and a certain air-cooled mystique. But as any enthusiast knows, even the most legendary cars have their quirks. For the 997.1 generation (2005-2008), the IMS bearing often tops the list of concerns. But is it truly a ticking time bomb, especially for the 2006 model?
Let’s dive into the heart of the matter, separating fact from fiction and offering some advice based on years of experience behind the wheel and in the garage.
The IMS Bearing: What’s the Big Deal?
The Intermediate Shaft (IMS) bearing is a small but critical component in the M96 and M97 engines found in the 996 and 997.1 generation 911s. Its job is simple: support the intermediate shaft that connects the crankshaft to the camshafts, ensuring smooth engine operation. However, the design of these early IMS bearings made them susceptible to failure, potentially leading to catastrophic engine damage.
The 2006 911: A Different Beast?
Here’s the good news for 2006 911 owners: Porsche addressed the IMS bearing issue with a revised, larger design starting in the 2006 model year. This updated bearing proved to be significantly more robust and far less prone to failure than its predecessor.
While the internet is rife with tales of IMS bearing doom, real-world experience tells a different story for 2006 and later models. As “Petza914,” a respected Rennlist forum member and Porsche expert, points out, “IMS bearing failure for 06 plus is low.”
So, Should You Worry?
In short, probably not. While no mechanical component is immune to failure, the likelihood of a 2006 911 suffering a catastrophic IMS bearing failure is slim.
Still Concerned? Here’s What You Can Do.
Peace of mind is priceless, and if you’re still concerned about your IMS bearing, there are a couple of options:
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Grease Seal Removal: Some owners opt to have the outer grease seal removed from the IMS bearing. This allows for better lubrication and can further reduce the risk of failure.
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Enjoy the Drive: As “Tkersting”, another seasoned Rennlist member, aptly advises, “People need to worry less and drive more. Your 06 is fine. Enjoy, red line it and drive it like it was supposed to be driven.”
The Bottom Line
The 2006 Porsche 911, with its revised IMS bearing, is a reliable and exhilarating sports car. While the IMS bearing issue plagued earlier models, it’s far less of a concern for 2006 and later cars. So, relax, enjoy the legendary performance of your 911, and leave the worrying to those with older models.