How to replace engine air filters on a Porsche 911 (2009-2012)

Maintenance Interval 4 Years or 40,000 Miles (60,000 Kilometers)
Estimated Dealer Cost $300
Estimated Independent Mechanic Cost $200
Estimated DIY Cost $70
Repair Time 0.35 hours
DIY Difficulty Easy

The engine air filter plays a vital role in protecting your engine as it stops various debris particles from entering and causing damage. As debris adds up with every mile traveled, the air filter will reach its maximum dirt absorption capacity at some point. When this happens, the air flow resistance rises and affects the engine’s performance. So, it is important to replace the air filter at your vehicle’s specified maintenance interval. However, you may need to change your air filter sooner depending on your driving conditions.

This is a very easy DIY that even a beginner can do. It will also save you a lot of money versus going to a dealership. To perform this DIY, check out the helpful tutorial above from YouTuber, CarFanatic. Detailed steps can be found below.

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Step-by-Step Instructions:

Step 1: Prepare your vehicle and work area.

  • Ensure engine is cold, so you don’t burn yourself.
  • Put on eye protection and gloves.
  • Gather tools and parts.
  • Open engine cover.

Step 2: Gain access to the engine air filters.

  • Unclip sensor connector on passenger side of air intake cover.
  • Remove air intake cover by unscrewing 8 T25 Torx screws; carefully use a magnetic pickup tool or pliers to remove the screws.

Step 3: Replace the engine air filters.

  • Remove air intake filters, which are each held on by 1 T20 Torx screw.
  • Install new air intake filters.

Step 4: Re-install the engine air intake cover.

  • Re-install the air intake cover; be careful not to drop the screws in the engine bay.
  • Clip in the sensor connector back in.
  • Clean up and return tools. You’re all done!

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