AUDI 8K1-723-523-A Pedal Brake Clutch 546.AU1G09 Brake/clutch

( Manufacturer Part Number: 8K1-723-523-A ), ( Model: A5-AUDI ), ( Part Type: Pedal Brake Clutch ), ( Conditions Options: Accelerator Pedal ), ( Genuine Oem: Yes ), ( Ipn: 546.au1g09 ), ( Descriptionpartcondition: 8k1 723 523 A ), ( Manufacturer Warranty: 1 Year ), ( Partout Id: A-130916490 )

Review AUDI Pedal Brake/clutch Oem 8k1 723 523 fits A5 2009

The **Audi 546.AU1G09 Pedal Brake/Clutch Assembly** is a high-performance, precision-engineered component designed exclusively for the **2009 Audi A5 (8K1) models**, featuring the **723.523** transmission variant. This robust and meticulously crafted assembly combines the **brake pedal** and **clutch pedal** into a single, integrated unit, ensuring seamless operation and optimal driver ergonomics. Crafted from durable, high-grade materials, including reinforced steel and precision-molded polymers, this pedal group is built to withstand the demands of daily driving while maintaining a smooth, responsive feel underfoot. The **AU1G09** designation confirms its compatibility with the **8-speed S tronic (723.523)** transmission, a hallmark of Audi s advanced automatic shifting technology, where precise pedal modulation is critical for efficient gear engagement and refined driving dynamics.

The design of this pedal assembly emphasizes both **performance and longevity**, with a **self-adjusting mechanism** that compensates for wear over time, reducing the need for frequent maintenance. The **brake pedal** features a **graduated resistance curve**, providing progressive feedback to the driver while ensuring consistent stopping power, even under heavy loads or in demanding conditions. Similarly, the **clutch pedal** (where applicable for manual or dual-clutch configurations) is engineered to deliver a **smooth, progressive engagement**, minimizing jerking and ensuring a seamless transition between gears. The **pedal linkage** is precision-machined for minimal play, enhancing the overall driving experience by reducing unnecessary movement and improving feedback responsiveness.

For Audi enthusiasts seeking **OEM-level quality and reliability**, this **546.AU1G09 pedal assembly** serves as an ideal replacement for worn or damaged original components, restoring both functionality and the signature Audi driving feel. Whether installed in a **standard A5, S5, or high-performance variant**, this assembly ensures that every press of the brake or clutch pedal is met with **consistent, predictable performance**, reinforcing the vehicle s reputation for **precision engineering and driver engagement**. With its **direct-fit compatibility**, this part eliminates the need for modifications, making it a straightforward upgrade for mechanics and DIYers alike. By maintaining the exact specifications of the original equipment manufacturer, it guarantees that the driving experience remains **refined, responsive, and true to Audi s engineering standards**.

### Pros and Cons of Buying an Audi A5 (8K1, 723.523) with a 546.AU1G09 Brake/Clutch System (2009 Model)

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#### **Pros**

1. **Reliability of the 3.0L V6 Biturbo Engine (CSF)**

The 3.0L V6 Biturbo (CSF) engine in the 2009 Audi A5 is known for being robust and capable of handling high performance. With proper maintenance, it can last well beyond 200,000 miles. The turbocharged setup provides strong power delivery, making it suitable for spirited driving.

2. **Quattro All-Wheel Drive System**

The Quattro system enhances traction, stability, and safety, particularly in adverse weather conditions or on slippery surfaces. This is a significant advantage over rear-wheel-drive or front-wheel-drive alternatives.

3. **Modern Technology and Infotainment**

The 2009 A5 comes equipped with a touchscreen infotainment system (depending on the trim), Bluetooth connectivity, and advanced driver aids like ESP (Electronic Stability Program). While not cutting-edge by today s standards, it is still functional and user-friendly for its time.

4. **Sporty Handling and Suspension**

The A5 s suspension setup is tuned for a sporty ride, offering a good balance between comfort and responsiveness. The car handles well on both highways and twisty roads, making it enjoyable to drive.

5. **Resale Value and Brand Prestige**

Audi maintains a strong resale value, and the A5 is a desirable model within the luxury compact sedan segment. Owning an Audi carries prestige, which can be appealing to many buyers.

6. **Availability of Performance Upgrades**

The A5 platform is popular among tuning communities, and aftermarket support is robust. You can easily find performance parts, tuning software, and upgrades to enhance power, handling, and aesthetics.

7. **Durable Transmission (If Maintained)**

The 09G (6-speed automatic) or 09A (6-speed manual) transmissions in the A5 are generally reliable when serviced regularly. The automatic transmission is smooth and well-suited for daily driving.

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#### **Cons**

1. **High Maintenance Costs**

Audi vehicles, especially those with complex systems like turbocharged engines, require specialized knowledge and high-quality parts. Maintenance costs, including labor and genuine Audi parts, can be significantly higher than those of mainstream brands. Expect to budget for regular oil changes, turbo inspections, and potential electrical or software updates.

2. **Electrical Gremlins**

Audi s infotainment systems, especially in older models like the 2009 A5, are notorious for software glitches, frozen screens, and connectivity issues. The system may require occasional resets or professional intervention to resolve problems.

3. **Turbo Lag and Reliability Concerns**

While the 3.0L V6 Biturbo is powerful, it is also prone to turbocharger failures if not maintained properly. Turbo lag can be noticeable at low RPMs, and neglecting oil changes or ignoring warning signs (e.g., whining noises, oil leaks) can lead to costly repairs. The intercooler and wastegate can also be weak points.

4. **Suspension Wear and Tear**

The A5 s sport-tuned suspension is sensitive to road conditions. Over time, bushings, struts, and control arms may wear out, leading to clunking noises, poor alignment, and reduced handling precision. Regular inspections and replacements are recommended.

5. **Brake System Challenges (546.AU1G09)**

- **Clutch Pedal and Brake Pedal Interaction**: The 546.AU1G09 system may suffer from a "spongy" or unresponsive brake pedal due to air in the hydraulic system, worn brake pads, or a failing master cylinder. The clutch pedal can also feel stiff or require excessive effort, indicating wear in the clutch master cylinder or hydraulic lines.

- **Brake Fluid Contamination**: Over time, brake fluid absorbs moisture, reducing its effectiveness. This can lead to a soft pedal, reduced braking performance, and even failure. The fluid should be flushed every 2 years or 30,000 miles.

- **Brake Caliper Seizure**: Front calipers, especially on high-performance models, can seize due to rust, lack of lubrication, or contamination. This can cause uneven braking and require disassembly and cleaning.

- **Rotor Warping or Glazing**: Aggressive driving or poor-quality pads can warp or glaze rotors, leading to vibrations and reduced stopping power. Regular inspections and replacements are necessary.

6. **Rust and Corrosion**

Depending on the region and driving conditions, the A5 may be susceptible to rust, particularly in the wheel wells, subframe, and undercarriage. A thorough inspection of these areas is critical before purchase.

7. **Depreciation**

While Audi retains value better than many luxury brands, the A5 s depreciation curve is steep. A 2009 model will have lost a significant portion of its original value, and further depreciation can be expected over time.

8. **Limited Modern Safety Features**

Compared to newer models, the 2009 A5 lacks advanced safety features like adaptive cruise control, lane-keeping assist, or advanced driver-assistance systems (ADAS). While ESP and ABS are present, they are not as sophisticated as modern equivalents.

9. **Fuel Economy**

The 3.0L V6 Biturbo is not fuel-efficient by today s standards, averaging around 18-22 MPG combined (city/highway). Fuel costs can add up, especially if the car is driven frequently.

10. **Potential for Hidden Issues**

- **Water Pump Failure**: The water pump is often linked to the timing belt and can fail prematurely, leading to engine overheating.

- **Suspension Mounts**: Bushings and mounts can wear out, causing handling issues and unusual noises.

- **Exhaust Manifold Cracks**: The cast iron manifolds can crack due to heat stress, leading to exhaust leaks and reduced performance.

- **Transmission Fluid Degradation**: Automatic transmission fluid should be changed every 60,000 miles to prevent premature wear.

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### **Ending Conclusion**

The 2009 Audi A5 (8K1, 723.523) with a 3.0L V6 Biturbo engine and a 546.AU1G09 brake/clutch system is a capable and enjoyable car, particularly for those who appreciate performance, luxury, and all-wheel drive. However, it comes with significant drawbacks, particularly in terms of maintenance costs, electrical quirks, and potential brake/clutch issues. The brake system, in particular, requires careful attention to avoid costly repairs down the line.

If you are experienced with high-maintenance vehicles, have a budget for repairs, and are willing to invest time in maintenance, the A5 can be a rewarding purchase. For a first-time luxury car owner or someone seeking a hassle-free experience, the risks may outweigh the benefits.

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### **Recommendation**

- **Get a Pre-Purchase Inspection (PPI)**: Hire a reputable mechanic or Audi specialist to thoroughly inspect the brake system, clutch, engine, transmission, suspension, and electrical components. Pay special attention to the brake pedal feel, clutch operation, and signs of fluid leaks.

- **Check Service Records**: Ensure the car has been regularly maintained, with oil changes, brake fluid flushes, and other critical services documented. Avoid cars with missing or irregular service history.

- **Test Drive Carefully**: Pay attention to the brake pedal response, clutch engagement, and any unusual noises or vibrations. Test the car in different driving conditions to assess handling and responsiveness.

- **Budget for Repairs**: Set aside funds for potential brake system upgrades (e.g., replacing calipers, rotors, or master cylinder), clutch replacement, and general maintenance. Expect to spend at least $1,500 $3,000 annually on upkeep.

- **Consider a Lower-Mileage Example**: If possible, opt for a car with under 100,000 miles to reduce the likelihood of major wear issues. Focus on models with consistent ownership and maintenance records.

- **Upgrade Brake Components**: If the current brake system is worn or unreliable, consider upgrading to aftermarket parts (e.g., Brembo calipers, EBC or Akebono pads) for improved performance and longevity.

- **Explore Alternatives**: Consider newer Audi models (e.g., A5 8K2 from 2016 onward) that come with updated technology, improved reliability, and better safety features. Alternatively, look at well-maintained luxury sedans from other brands (e.g., BMW 3 Series, Mercedes-Benz C-Class) that may offer better value for money.

- **Wait for a Better Deal**: If you find a car that meets your criteria but is priced too high, consider waiting for a better opportunity or negotiating a lower price based on the inspection findings.

- **Focus on a Different Segment**: If the A5 s

Details:

More Parts: 1 Year Warranty. Please compare part numbers BEFORE purchasing. Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver. Very happy customer, excellent value and service.

Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold. Free shipping only applies to items you keep. Quality, Assured Parts All are Quality Tested Inspected. Warranty HASSLE-FREE 1 YEAR WARRANTY: All parts are warrantied for a period of 12 months or year from the purchase date.

If something is wrong with an order, we certainly do want to help you. Model: A5 AUDI. Plus Quarto Included: Hassle-free 1 Year Warranty Our Part #: 10192132. Please disregard other fitment charts they may not be correct.

Easy to find parts that don't require a mechanics knowledge.

specifications pedalspadsaz:

• for makes: Audi
• for years: 2009
• mpn: 8k1-723-523-a
• model: A5-audi
• part type: Pedal Brake Clutch
• conditions options: Accelerator Pedal
• genuine oem: Yes
• ipn: 546.au1g09
• descriptionpartcondition: 8k1 723 523 A
• manufacturer warranty: 1 Year
• partout id: A-130916490

seller pedalspadsaz:

• rating: 97.3%
• # reviews: 23680
• city: Rancho Cordova, California

general pedalspadsaz:

• condition: Used
• Car Truck Parts Accessories > Interior Parts Accessories > Pedal Assemblies, Pads Parts

returns pedalspadsaz:

• paid by: Buyer
• policy: Returns Accepted
• time: 60 Days

payments pedalspadsaz:

• wallet: Google-pay
• other
• credit card: Discover

offer pedalspadsaz:

• best offers: True
• quantity: 1
• sold: 0
• availability: In Stock
• options: Seller-arranged-local-pickup
• started: June 2, 2026

shipping pedalspadsaz:

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