AUDI 177.AU1509 Fuel Door Filler

( Model: Q7-AUDI ), ( Part Type: Fuel Door Filler ), ( Conditions Options: Suv, Prem Plus ), ( Genuine Oem: Yes ), ( Ipn: 177.au1509 )

Review AUDI Fuel Filler Door fits Q7 2009

The **Audi 177.AU1509 fuel filler door** from the **2009 Q7** represents a meticulously engineered component designed to blend seamlessly with the vehicle s premium aesthetic while ensuring functionality and durability. Crafted from high-quality, corrosion-resistant materials, this fuel filler door is engineered to withstand the rigors of daily use, from exposure to varying weather conditions to the mechanical stress of repeated opening and closing. The door features a sleek, aerodynamic contour that aligns with Audi s signature design language, contributing to the Q7 s distinctive and refined silhouette. Its smooth, matte finish is meticulously matched to the vehicle s body color, ensuring a seamless integration that enhances the overall visual appeal without drawing unnecessary attention. The interior of the door houses a robust locking mechanism, which is both secure and user-friendly, allowing for effortless operation even in cold or wet conditions. The design incorporates ergonomic considerations, with a contoured handle that provides a comfortable grip and a clear visual cue for easy identification. Additionally, the fuel filler door is equipped with a weatherproof seal to prevent water ingress, safeguarding the vehicle s interior electronics and maintaining a dry, comfortable cabin environment. This component exemplifies Audi s commitment to precision engineering, where form and function coalesce to deliver an experience that is as reliable as it is visually striking. Whether in motion or at rest, the fuel filler door of the 2009 Q7 embodies the brand s dedication to excellence in both performance and design.

### **Pros and Cons of Buying a 2009 Audi Q7 (AU1509, 3.0L V6 TDI, Fuel Filler Door Issue)**

#### **Pros**

1. **Strong Engine and Performance**

The 2009 Audi Q7 with the **3.0L V6 TDI (AU1509)** is a well-regarded diesel engine known for its **torque (320 Nm)**, smooth power delivery, and reliability when properly maintained. It offers a good balance of acceleration and fuel efficiency for a luxury SUV, making it suitable for highway driving and long-distance trips.

2. **Luxury and Comfort**

- **Heated/ventilated seats** (depending on trim)

- **Leather upholstery**

- **Sound insulation** (better than many competitors)

- **Automatic climate control**

- **Comfortable ride** (adjustable suspension settings)

3. **Fuel Efficiency (for a Diesel SUV)**

Diesel engines typically offer **better fuel economy** than gasoline counterparts, especially on highways. The **AU1509 TDI** can achieve around **12-15L/100km** in mixed driving, though real-world efficiency depends on driving habits and maintenance.

4. **Resale Value (Compared to Some Peers)**

Audi Q7s hold their value reasonably well, especially models with lower mileage and good service records. However, this depends on market conditions and regional demand.

5. **Technology and Safety Features**

- **Audi s MMI infotainment system** (with optional navigation)

- **Bluetooth, USB, and auxiliary inputs**

- **Advanced safety features** (depending on trim, such as ABS, ESP, and airbags)

- **Parking sensors** (available on higher trims)

6. **Spacious and Practical Interior**

The Q7 offers **seven seats**, a **large cargo area**, and **easy-access features** (folding rear seats, sliding doors). The **panoramic sunroof** (if equipped) adds to the luxury feel.

7. **Potential for Modifications (If Needed)**

The **fuel filler door issue** (likely a common problem with rust or electrical failure) can sometimes be fixed with **DIY repairs** (e.g., replacing the door mechanism or wiring). Some owners have successfully addressed this without major expense.

---

#### **Cons**

1. **Fuel Filler Door Problem (Primary Concern)**

The **fuel filler door not opening/closing properly** is a well-documented issue in some **2009-2012 Audi Q7 models**, particularly those with the **AU1509 TDI engine**. Common causes include:

- **Rust or corrosion** in the door mechanism (common in snowy/rainy climates).

- **Faulty electrical wiring** or **failed door actuator**.

- **Software glitches** in the body control module (BCM).

Solutions range from **simple wiring fixes** to **full door replacement ( $500-$1,200)**, which can be costly if not covered by warranty.

2. **Rust and Corrosion Issues**

The **Q7 is prone to rust**, especially in the **wheel arches, rocker panels, and fuel filler door area**. A **pre-purchase inspection** is crucial to check for structural rust that could affect safety.

3. **High Maintenance and Repair Costs**

- **Transmission problems** (some TDI models have had **gear shift delays** or **electronic issues**).

- **Exhaust system failures** (turbocharger, EGR valve, DPF issues in later models).

- **Electrical gremlins** (infotainment glitches, sensor failures).

- **Suspension wear** (struts, bushings, and control arms may need replacement).

4. **Diesel-Specific Concerns**

- **DPF (Diesel Particulate Filter) clogging** (common in high-mileage diesels, requiring **cleaning or replacement**).

- **AdBlue system** (if equipped, may need monitoring for fluid top-ups).

- **Cold-weather issues** (diesels can struggle in extreme cold without proper maintenance).

5. **Depreciation and Market Demand**

While the Q7 retains value better than some competitors, it is **not as sought-after as newer models**. Buyers may find **better deals on newer SUVs** with modern safety and tech features.

6. **Potential Transmission Issues**

Some owners report **hesitation or rough shifting**, particularly in **automatic transmissions**. A **pre-purchase inspection** should include a **test drive to check for smooth gear changes**.

7. **Recall and Software Updates**

The 2009 Q7 may have **unaddressed recalls** or **software bugs** that could lead to **unexpected malfunctions**. Checking **vehicle history reports** (e.g., Carfax, AutoCheck) is essential.

---

### **Conclusion**

The **2009 Audi Q7 (AU1509 TDI)** is a **capable, comfortable, and fuel-efficient luxury SUV** that offers **strong performance and premium features**. However, the **fuel filler door issue** is a **significant red flag** that could lead to **unexpected repair costs**. If this problem is confirmed, the **repair cost vs. vehicle value** must be carefully considered.

- **Drives mostly on highways** (where diesel efficiency shines).

- **Prioritizes comfort and space** over cutting-edge tech.

- **Is prepared for potential diesel maintenance** (DPF, AdBlue, turbo).

- **Plans to address the fuel door issue immediately** (budgeting for repairs).

**If the fuel door problem is severe (rusted mechanism, electrical failure) or other major issues (transmission, rust) exist, the vehicle may not be worth the risk unless purchased at a **very low price** with a **full service history**.

---

### **Recommendation**

1. **Get a Professional Inspection**

- **Fuel filler door mechanism** (is it rusted? Does it open/close properly?).

- **Transmission and drivetrain** (listen for unusual noises, check fluid levels).

- **Rust and body condition** (especially around the fuel door, wheel wells, and undercarriage).

- **Diesel system health** (DPF, EGR, turbo, AdBlue levels).

- **Electrical systems** (test all buttons, sensors, and infotainment).

2. **Check Vehicle History**

- **Accident history** (rust repairs may indicate past damage).

- **Service records** (proper maintenance is key for a diesel).

- **Recall compliance** (some issues may have been fixed).

3. **Negotiate Based on Findings**

- If the **fuel door needs replacement ( $600-$1,200)**, deduct this from the price.

- If **major rust or transmission issues** are found, walk away unless the price is **significantly reduced**.

4. **Budget for Future Maintenance**

- **Diesel-specific costs** (DPF cleaning, AdBlue, turbo repairs).

- **Audi parts and labor** (expect **higher-than-average repair bills**).

- **Potential electrical repairs** (common in older Audis).

5. **Alternative Considerations**

- If the **fuel door issue is a dealbreaker**, look for a **2010-2012 Q7 with a known good fuel door** (later models may have improved electronics).

- Consider a **used BMW X5 or Mercedes M-Class** if Audi s repair costs are a concern.

- If you **prioritize fuel efficiency**, a **well-maintained diesel** can still be a good choice, but **only if the fuel door is fixable at a reasonable cost**.

### **Final Verdict**

The **fuel door issue is minor and repairable** at a cost you can justify.

The **rest of the vehicle is in good condition** (no major rust, transmission issues, or electrical failures).

You **drive mostly highway miles** and can handle **diesel-specific maintenance**.

You **negotiate a fair price** based on inspection findings.

The **fuel door is severely rusted or beyond economical repair**.

There are **hidden mechanical or electrical problems** (transmission, suspension, rust).

You **cannot afford unexpected repair costs** (Audi parts are expensive).

**Best Case:** A **well-maintained 2009 Q7 with a fixable fuel door** can be a **reliable, comfortable SUV** for the right buyer.

**Worst Case:** A **neglected Q7 with rust

Details:

part #: 177.au1509 prices

• $24.23-$99.99

specifications fueltanksysteme:

• for makes: Audi
• for years: 2009
• model: Q7-audi
• part type: Fuel Door Filler
• conditions options: Suv, Prem Plus
• genuine oem: Yes
• ipn: 177.au1509

seller fueltanksysteme:

• rating: 98.8%
• # reviews: 1295
• city: Westfield, Massachusetts

returns fueltanksysteme:

• time: 30 Days
• policy: Returns Accepted
• paid by: Buyer

payments fueltanksysteme:

• wallet: Paypal
• credit card: Discover
• other

general fueltanksysteme:

• condition: Used
• Car Truck Parts Accessories > Air Fuel Delivery > Fuel Tanks Filler Necks

offer fueltanksysteme:

• best offers: True
• options: Ship-to-home
• sold: 0
• quantity: 1
• availability: In Stock
• started: February 9, 2026

shipping fueltanksysteme:

• transit: 3-9 Days
• class: Standard
• type: Fixed
• cost: $0.00
• service: Standard

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