
What oil does a 2009 Audi Q7 3.0L Diesel take?
The 2009 Audi Q7 with the 3.0L 6-cylinder (Engine Code CATA F) diesel engine requires a viscosity of 5W-30 for all temperatures. The oil capacity is 8.7 quarts when performing an oil change with a filter replacement. AMSOIL recommends using AMSOIL 5W-30 LS 100% Synthetic European Motor Oil (AELQT-EA) for this application.
AMSOIL product recommendations
Based on the AMSOIL lookup data, the following products are recommended for your 2009 Audi Q7 diesel maintenance:
Engine Oil & Filter
| Product Name | Code |
|---|---|
| AMSOIL 5W-30 LS 100% Synthetic European Motor Oil | AELQT-EA |
| MANN-FILTERS Air Filters | C39219-EA |
Note: No specific oil filter recommendation is available from the source data.
Coolant & Antifreeze
| Product Name | Code |
|---|---|
| AMSOIL Passenger Car & Light Truck Antifreeze & Coolant | ANTPC1G-EA |
| AMSOIL Propylene Glycol Antifreeze and Engine Coolant | ANT1G-EA |
Transmission & Transfer Case
| Product Name | Code |
|---|---|
| AMSOIL Signature Series Multi-Vehicle 100% Synthetic ATF | ATFPK-EA |
| AMSOIL OE Multi-Vehicle 100% Synthetic ATF | OTFQT-EA |
Differential & Gear Lube
| Product Name | Code |
|---|---|
| AMSOIL 75W-90 Long Life 100% Synthetic Gear Lube | FGRQT-EA |
Engine Oil Specifications and Details
What is the oil capacity for a 2009 Audi Q7 3.0L Diesel?
The engine requires 8.7 quarts of oil when replacing the filter. It is important to check the oil level after refilling.
| Specification | Value |
|---|---|
| Oil Viscosity | 5W-30 (All TEMPS) |
| AMSOIL Lookup Oil Grade | SEO06 |
| Capacity (with filter) | 8.7 quarts |
| Oil Drain Plug Torque | 22 ft/lbs |
Note: The AMSOIL lookup note states that if a synthetic oil meeting the applicable Audi/Volkswagen quality standard with the recommended viscosity is unavailable, use a grade suitable for your local climate and operating conditions. Ensure the oil meets listed Audi/Volkswagen standards.
Transmission and Drivetrain Maintenance
How much transmission fluid does my Audi Q7 take?
For the 6-speed automatic transmission (09D), the total fill capacity is 9.5 quarts. The AMSOIL lookup note references Audi/VW Part number G 055 025 (A2) for this application.
Transfer Case and Differential Specifications
The transfer case requires 1.9 pints of fluid. For the transfer case (09D….AE), the AMSOIL lookup note references Audi/VW Part number G 052 162 A2. The transfer case fill plug torque is 15 ft/lbs.
| Component | Capacity | OEM Reference |
|---|---|---|
| Transfer Case (09D) | 1.9 pints | G 052 162 A2 |
| Front Differential (0AA) | 2.1 pints | G 052 145 A1/A2/S2 |
| Rear Differential (0AB) | 2.7 pints | G 052 145 A1/A2/S2 |
Note: For the front differential, the manufacturer notes that G 052 145 A2 was superseded by G 052 145 S2.
Diesel maintenance notes for this vehicle
- Air Filtration: MANN-FILTERS air filters (such as C39219-EA) are designed to offer OEM service intervals and help reduce engine wear.
- Coolant Maintenance: The cooling system capacity is 9.5 quarts. AMSOIL offers both a 50/50 pre-mix (Ethylene glycol) and a concentrated Propylene Glycol option.
- Emissions Systems: When selecting engine oil, ensure it provides protection without harming emissions systems, as specified for European diesel engines.
Common maintenance concerns for this vehicle
Based on historical data and owner reports, owners of the 2009 Audi Q7 should monitor several areas:
- Fuel System Integrity: Some models have been subject to recalls regarding fuel pump flanges.
- Engine Reliability: High-performance diesel engines require strict adherence to oil change intervals and high-quality filtration to protect turbocharger components.
- Emissions Compliance: Given the era of production, owners should verify the specific emissions compliance status of their individual engine.
Common diesel oil-related concerns and how AMSOIL products may help
| Concern | Why it matters | AMSOIL Product | How it may help | Limitation |
|---|---|---|---|---|
| Turbocharger Protection | High heat and soot can degrade oil. | AELQT-EA | Provides exceptional engine protection for European diesels. | Requires regular interval adherence. |
| Heavy Towing/Terrain | Increases transmission heat and stress. | ATFPK-EA | Withstands rigors of heavy towing and elevated temperatures. | Not a repair for mechanical failure. |
| Cold Weather Shifting | Thick fluid can cause poor shifting in winter. | OTFQT-EA | Offers excellent cold-weather performance. | Not a repair for mechanical failure. |
Recall, TSB, and manufacturer communication notes
NHTSA research indicates the following recall information for the 2009 Audi Q7:
- Fuel System Recall: Certain vehicles were recalled due to concerns that a fuel pump flange might crack or that butyl tape used in previous repairs might not prevent leaks, increasing fire risk.
- Labeling Recall: A recall was issued regarding incorrect Gross Axle Weight Rating (GAWR) on certification labels, which could lead to vehicle overloading.
Important: These are summaries of official records. Owners should verify open recalls by contacting an authorized Audi dealer or using their VIN at the NHTSA website.
About this vehicle
The 2009 Audi Q7 is a full-size luxury crossover SUV built on the Volkswagen Group MLB platform. This shared architecture means it shares mechanical characteristics with other premium brands in the VW ecosystem, including Porsche and Bentley. This specific model features a 3.0L 6-cylinder diesel engine (Engine Code: CATA F), part of Audi’s sophisticated TDI lineage.
As a high-performance diesel SUV, maintenance is critical. Owners often research the reliability of turbocharger components and emissions control systems. Because these vehicles were manufactured during an era involving significant discussions regarding emissions compliance, verifying individual engine status is recommended. Routine maintenance of the fuel system and strict adherence to oil change intervals are vital for long-term engine health in this high-torque diesel application.
Common questions about this vehicle’s diesel oil and maintenance
What is the correct oil viscosity for my 2009 Audi Q7 diesel?
The AMSOIL lookup recommends a viscosity of 5W-30 for all temperatures, provided it meets the applicable Audi/Volkswagen quality standards.
How much oil do I need for an oil change?
You will need approximately 8.7 quarts of oil when performing a service that includes a filter change.
Can I use any antifreeze in my Q7?
The AMSOIL lookup lists specific options like the Passenger Car & Light Truck Antifreeze/Coolant (ANTPC1G-EA). Always ensure compatibility with your cooling system metals and gaskets.
What should I use for my transfer case?
For the 09D….AE transfer case, the AMSOIL lookup references Audi/VW Part number G 052 162 A2 and recommends synthetic ATF options like ATFPK-EA.
How do I protect my diesel engine during heavy towing?
Using high-quality fluids like ATFPK-EA can help provide reserve protection during heavy use and challenging terrain.
How do I check for active recalls on my Audi?
You should contact an Audi dealer or visit the official NHTSA website to check for open recalls using your specific Vehicle Identification Number (VIN).
Disclaimer: This information is derived from provided source data. Always consult your vehicle’s owner manual and a professional mechanic before performing maintenance.