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Contact Us: (909) 982-9111

Porsche® Scheduled Maintenance & Tune-Up Services

We Know Porsches Inside & Out

Driving a Porsche® undoubtedly means you care about quality. Whether it’s a daily driver or concours car, keeping your vehicle running in optimal condition is our top priority. We will always provide you an accurate and honest assessment of your vehicle’s condition and offer recommendations as needed, especially when it means maintaining your safety. We also sell genuine Porsche® parts, O.E.M. parts, and a selection of performance aftermarket parts that we feel meet the discerning standards of a Porsche® owner. Here at 911 Design, we promise to do the quality work you deserve and deliver it promptly.

Street & Performance Services

  • Scheduled Maintenance

    Scheduled Maintenance

    Proper tuning and maintenance is an important part of prolonging the life of your Porsche®. Contact 911 Design, located in Montclair, near Diamond Bar and City of Industry, for your Scheduled Maintenance and Tune-Up service.

    • Oil Change
    • ABS Light Diagnosis
    • Brake System Diagnosis
    • Check Engine Light Diagnosis
    • Mount and Balance Tires
    • Electrical System Diagnosis
    • Engine Diagnosis ( Noises, Leaks, Other)
    • Engine Performance
    • Heating or Air Conditioning Diagnosis
    • Suspension Diagnosis
    • Tire Repair
    • Transmission (Not Shifting, Leaks, Other)
    • Steering Diagnosis
    • Diagnostics with the PIWIS (Porsche® Integrated Workshop Information System) tester
  • Suspension


    Let us help you maximize your handling performance through a combination of suspension components and set up, such as:

    • Alignment and corner balancing
    • Springs and shocks
    • Sway bars and suspension bushings
  • In-House Paint and Bodywork

    In-House Paint and Bodywork

    Our equipment is high quality, so your finished product is within factory specification. At 911 Design, we offer the very latest in paint booth and frame-straightening technology under one roof, including:

    • 2011 Spray-Tech®/Junair America’s Spray Booth
    • CAR BENCH® Piranha™ Frame Bench
  • Engine / Transmission / Exhaust

    Engine / Transmission / Exhaust

    We can upgrade, enhance, rebuild, and modify your vehicle so that it performs to your expectations using the following:

    • Engine and transmission rebuilding
    • On-site machine shop/clean room
    • Dynapack™ chassis dynamometer
    • Performance exhaust and air induction systems
    • ECU upgrades
  • Restoration


    We’ve helped many customers restore their Porsche® to their desired standards, and some of our clients’ vehicles have even been featured in concours events. From complete tear-down and fabrication to meticulous restoration, we can bring your car to its original condition.

  • Enhance Your Driving Skills

    Enhance Your Driving Skills

    Understanding how your car will respond under adverse conditions and learning how to manage it could save your life. With guidance from our certified instructors, you’ll have the best chance of recovering in a potentially harmful situation. Drive your car fast and safe, just as Stuttgart intended.


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Frequently Asked Questions

Does 911 Design work on vehicle models other than Porsche®?

Yes, collision and custom work is available for any make or model vehicle, including American brands. We also provide custom fabrication, design, and performance upgrade services for Ferrari® and Lamborghini® models at our full-service repair and restoration facility.

Are all of the services provided by 911 Design done in-house?

Absolutely. All of our services are vertically integrated, which means we keep all repair, fabrication, and auto body work in-house. If a customer desires an amenity we do not offer, we can provide reputable recommendations.

What is an ECU upgrade, and do I need one?

The ECU is an automobile’s electronic control unit, which is a programmable memory chip. You may want to consider an ECU upgrade if you would like to boost your vehicle’s performance, fuel efficiency, or emission cleanliness.

Can 911 Design service my race car?

Yes, we at 911 Design work on street and performance cars, but we also provide stellar race car development and support.

Is 911 Design affiliated with Porsche® Cars North America?

No; 911 Design is independent and not affiliated with Porsche® Cars North America.

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