AUDI 8W1-723-523 Pedal Brake Clutch 546.AU1718 Brake/clutch

( Manufacturer Part Number: 8W1-723-523 ), ( Model: Q7-AUDI ), ( Part Type: Pedal Brake Clutch ), ( Conditions Options: Accelerator Pedal ), ( Genuine Oem: Yes ), ( Ipn: 546.au1718 ), ( Descriptionpartcondition: 8w1 723 523 ), ( Manufacturer Warranty: 1 Year )

Review AUDI Pedal Brake/clutch Oem 8w1 723 523 fits Q7 2018

The **Audi 546.AU1718 Pedal Brake/Clutch Assembly** is a precision-engineered component designed exclusively for the **2018 Audi Q7 (8W1) models**, featuring the **723 523** transmission variant. This high-performance pedal group integrates both the brake and clutch pedals into a single, compact unit, ensuring seamless integration with the vehicle s advanced driver-assistance systems and adaptive driving dynamics. Crafted from durable, high-grade materials, including reinforced steel and engineered polymers, the assembly is engineered to withstand the rigorous demands of daily driving while maintaining optimal responsiveness and durability. The brake pedal incorporates a **hydraulic return spring mechanism**, providing consistent feedback and precise modulation for effortless braking control, while the clutch pedal is designed to deliver smooth, progressive engagement critical for effortless gear shifts in manual transmission applications. This unit is compatible with Audi s **MQB platform**, ensuring compatibility with the Q7 s **7-speed S tronic or manual transmission systems**, and is engineered to meet or exceed OEM specifications for performance, safety, and longevity. Whether used in replacement or upgrade scenarios, this pedal assembly guarantees a refined driving experience with minimal pedal travel and maximum efficiency, making it an essential component for maintaining the Q7 s signature blend of luxury and performance.

### Pros and Cons of Buying a 2018 Audi Q7 (8W1, 723.523) with a 546.AU1718 Pedal Brake/Clutch System

#### **Overview**

The 2018 Audi Q7 (8W1 chassis, 723.523 engine code) is a luxury SUV powered by a 3.0L V6 TDI diesel (or optionally a 3.0L V6 petrol). The **546.AU1718 pedal brake/clutch system** refers to the hydraulic braking and clutch components, which may require attention if the vehicle has been driven hard or neglected. Below is a detailed breakdown of the key factors to consider before purchasing this model.

---

### **Pros**

1. **Strong Engine and Performance**

- The **3.0L TDI (723.523)** is a robust diesel engine known for its torque (400 Nm) and efficiency, making it suitable for long-distance driving and towing (up to 3,500 kg with the right setup).

- The petrol version (if available) offers smooth power delivery, though it may consume more fuel than the diesel.

- The **quattro all-wheel-drive system** provides excellent traction in various conditions, enhancing safety and capability.

2. **Luxury and Comfort**

- Audi s **premium interior** features high-quality materials, ergonomic seating, and advanced infotainment (if updated with the latest software).

- The **suspension tuning** (adaptive damping) ensures a comfortable ride, though it may sacrifice sharpness on rough roads.

- **Quiet cabin** due to excellent sound insulation, a hallmark of Audi s luxury segment.

3. **Reliability of the Diesel Engine**

- The **3.0L TDI (EA897)** is generally reliable if maintained properly. Common issues (e.g., turbocharger wear, EGR valve clogging) are manageable with regular servicing.

- The **diesel particulate filter (DPF)** and **adblue system** require attention, but they are standard in modern diesels and can be easily managed with proper driving habits (avoiding short trips).

4. **Safety Features**

- Standard **Audi Pre Sense** (collision avoidance), **adaptive cruise control**, and **multiple airbags** enhance safety.

- High structural rigidity and crash-test ratings (Euro NCAP) make it a safe choice for families.

5. **Resale Value**

- Audi retains its value well, especially for well-maintained examples. The Q7, in particular, holds its worth better than many competitors.

6. **Versatility**

- Spacious interior with **seven seats** (optional) and a **large cargo area** (up to 2,000 liters with seats folded).

- Available **xDrive system** (adaptive all-wheel drive) for better off-road capability.

7. **Technology and Connectivity**

- **Virtual Cockpit** (optional) provides a modern, customizable dashboard.

- **MMI Navplus** (if equipped) offers advanced navigation and smartphone integration.

- **Audi connect** services (if active) allow remote diagnostics and updates.

---

### **Cons**

1. **Higher Maintenance Costs**

- Audi parts and labor are **expensive** compared to mainstream brands. Budget for **regular servicing** (every 15,000 20,000 km) to avoid costly repairs.

- **Diesel-specific components** (DPF, EGR, AdBlue system) can fail if the car is driven in stop-and-go traffic or short distances frequently.

2. **Common Diesel-Specific Issues**

- **DPF Clogging**: Common in diesel cars driven mostly in urban areas. A clogged DPF requires **regeneration cycles** (long drives at high speeds) or professional cleaning ( 300 600).

- **EGR Valve Failure**: The **Exhaust Gas Recirculation valve** can fail, leading to **engine misfires or poor performance**. Replacement costs 500 800.

- **Turbocharger Wear**: The **high-pressure turbo** in the 3.0L TDI can fail prematurely if the oil isn t changed regularly. Replacement is **expensive ( 1,500 2,500)**.

- **AdBlue System Issues**: The **AdBlue tank or injectors** can fail, requiring ** 200 500 in repairs**.

3. **Electrical Gremlins**

- Audi s **complex electrical systems** (infotainment, sensors, lighting) are prone to **software glitches or hardware failures**.

- **MMI (infotainment) freezes** or **touchscreen issues** are common, often requiring **dealer visits ( 300 600)**.

- **Sensors (e.g., parking sensors, rain sensors)** can fail, leading to ** 100 300 in repairs**.

4. **Transmission and Clutch (If Manual)**

- The **7-speed S tronic (automatic)** is generally reliable but **expensive to repair** ( 2,000 4,000 for a rebuild).

- If the car has a **manual transmission**, the **clutch and flywheel** may wear out faster in aggressive driving conditions. Replacement costs ** 800 1,500**.

5. **Fuel Efficiency Concerns**

- While the **3.0L TDI is efficient ( 6 7L/100km)**, real-world consumption can be higher if the car isn t well-maintained.

- **Diesel fuel quality** varies by region, and poor fuel can lead to **injector or filter clogging**.

6. **Depreciation and Market Saturation**

- The **Q7 is a large SUV**, and its size can make it **less practical in urban areas** compared to smaller luxury SUVs.

- **High demand for used Audis** means competition is fierce, and prices can be inflated for well-presented examples.

7. **Potential Brake/Clutch System Issues (546.AU1718 Reference)**

- The **546.AU1718 code** may indicate a **specific brake or clutch system variant**, but without additional context, it s unclear if this refers to:

- **Brake fluid leaks** (common in older Audis due to rubber seals).

- **Worn brake pads/disks** (expect ** 300 600 per axle** for replacement).

- **Clutch failure** (if manual, clutch replacement is ** 800 1,500**).

- If the car has **spongy brakes** or **clutch slippage**, these issues should be **addressed before purchase**.

8. **Noise and Vibration Issues**

- Some **2018 Q7 models** have reported **wind noise** (especially with soft-top versions) or **engine vibrations** at certain RPMs.

- **Suspension wear** (struts, bushings) can lead to **uneven ride quality**, costing ** 500 1,200 to repair**.

9. **Software and Recall Issues**

- Audi has had **recalls for software updates** (e.g., **Pre Sense, traction control**) that may not have been addressed.

- **Check for open recalls** via the **Audi website or local dealer** before buying.

10. **Parking and Maneuverability**

- The **Q7 s size (4.9m long)** makes parking and city driving **challenging**, especially in tight spaces.

---

### **Key Considerations Before Purchase**

1. **Service History**

- **Oil changes** (critical for turbocharged engines).

- **DPF regeneration cycles** (if driven short distances).

- **Brake and clutch maintenance**.

- **Check for past accidents** (use **CarVertical, HistoVec, or local inspection reports**).

2. **Test Drive Focus Areas**

- **Braking**: Listen for **grinding or squeaking** (worn pads/disks). Test **stopping distances**.

- **Clutch (if manual)**: Check for **slippage, grinding, or delayed engagement**.

- **Transmission**: Look for **jerky shifts, delayed engagement, or unusual noises**.

- **Engine**: Listen for **turbo whine, exhaust backpressure, or unusual noises**.

- **Electrics**: Test **all lights, sensors, and infotainment** for responsiveness.

3. **Pre-Purchase Inspection (PPI)**

- Inspect **brake and clutch systems**.

- Check **engine compression, turbo health, and exhaust gases**.

- Test **electrical components and sensors**.

- Verify **no hidden damage**.

4. **Budget for Upcoming Repairs**

- **Diesel-specific costs** (DPF, EGR, AdBlue) can add up quickly.

- **Brake/clutch replacement** should be

Details:

PEDAL, BRAKE/CLUTCH OEM 2018 Q7 AUDI 8W1 723 523: ACCELERATOR PEDAL 8W1723523 523 ; FROM 2017 2024 3.0L Premium Plus Dummy. 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. Shipping Damage:: Damages and evidence of tampering on the outer packaging must be noted delivery receipt by driver.

Please disregard other fitment charts they may not be correct. Very happy customer, excellent value and service. Easy to find parts that don't require a mechanics knowledge. Please compare part numbers BEFORE purchasing.

Image shown may be the vehicle from which part was pulled, or a generic image representing typical stock, rather than unique item being sold. Model: Q7 AUDI. Quality, Assured Parts All are Quality Tested Inspected. Free shipping only applies to items you keep.

Original is 6193598 Included: Hassle-free 1 Year Warranty Our Part #: 10186896.

specifications pedalspadsaz:

• for makes: Audi
• for years: 2018
• mpn: 8w1-723-523
• model: Q7-audi
• part type: Pedal Brake Clutch
• conditions options: Accelerator Pedal
• genuine oem: Yes
• ipn: 546.au1718
• descriptionpartcondition: 8w1 723 523
• manufacturer warranty: 1 Year

offer pedalspadsaz:

• sold: 0
• options: Seller-arranged-local-pickup
• started: March 9, 2026
• availability: In Stock
• quantity: 1
• best offers: True

shipping pedalspadsaz:

general pedalspadsaz:

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

seller pedalspadsaz:

• rating: 97.1%
• # reviews: 23090
• city: Rancho Cordova, California

returns pedalspadsaz:

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

payments pedalspadsaz:

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

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