What is the 2007-2015 Audi Q7 Air Suspension System Failure (Compressor and Springs)?

The 4L Q7 air suspension is the most failure-prone system on the vehicle. The heavy SUV stresses air springs to their limits, causing rubber bellows to crack and leak. The compressor overworks to compensate and burns out its motor. The valve block can also stick, sending air to t… Repairs typically run $1,200-$5,000. Severity: high.

What is the 2011-2013 Audi Q7 2011-2013 Q7 3.0 TFSI Fuel Rail Leak - Safety Recall 24AP / NHTSA 15V019?

Manufacturing tolerance variation in the fuel rails of the supercharged 3.0 TFSI, combined with normal driveline vibration during dynamic driving, allows the high-pressure fuel injection system to develop leaks at the rail and injector seals. Leaking gasoline in the engine bay ne… Repairs typically run $0-$0. Severity: high.

What is the 2011-2015 Audi Q7 Supercharger Bearing Failure and Boost Leaks (3.0T)?

The 2011-2015 Audi Q7 3.0T supercharged engine experiences supercharger bearing failures, bypass valve failures, and boost leaks. Worn supercharger bearings cause whining noise, power loss, and complete supercharger failure. Bypass valves fail causing boost lag and poor accelerat… Repairs typically run $150-$5,000. Severity: high.

What is the 2007-2015 Audi Q7 Water Pump and Thermostat Failure (Overheating)?

The 2007-2015 Audi Q7 (3.0T, 3.6L, TDI) experiences water pump and thermostat failures causing engine overheating. Plastic impeller water pumps fail from debris clogging or electronic failures. When pump fails, coolant flow drops causing rapid overheating and severe engine damage… Repairs typically run $800-$5,000. Severity: high.

What is the 2013 Audi Q7 2013 Q7 TDI Brake-Booster Vacuum-Line Recall 47L8 (14V516)?

Certain 2013 Audi Q7 3.0 TDI vehicles are covered by Safety Recall 47L8 / NHTSA 14V516. Audi states that plastic debris can contaminate a check valve and allow engine oil into the brake booster. In isolated cases, oil can damage the booster diaphragm and reduce or eliminate power… Severity: high.

What is the 2007-2019 Audi Q7 Transfer Case Fluid Leak and Failure?

The Q7 Torsen-based quattro transfer case develops seal leaks and internal wear, particularly at higher mileages. The transfer case output shaft seals are the most common leak point. If fluid level drops too low, the transfer case bearings and gears can be damaged, leading to gri… Repairs typically run $300-$3,500. Severity: medium.

What is the 2017-2019 Audi Q7 2017-2019 Q7 4M MMI Touch Response Spontaneous Reboot and Blank Screen with CarPlay/Android Auto?

The 4M Q7's dual-screen MMI Touch Response infotainment head unit reboots on its own while driving - screens go black, the system restarts, and radio/navigation/phone drop out, sometimes several times on a long trip. A related and better-documented fault covered by Audi service b… Repairs typically run $0-$1,500. Severity: medium.

What is the 2007-2015 Audi Q7 Air Suspension Strut Failure and Compressor Issues?

The 2007-2015 Audi Q7 with adaptive air suspension experiences air strut leaks and compressor failures. Air struts leak due to seal degradation, physical damage, corrosion, or wear. Leaking struts cause suspension to sag, uneven ride height, and instability. Compressor fails from… Repairs typically run $800-$5,500. Severity: medium.

What is the 2009-2015 Audi Q7 2009-2015 Q7 3.0 TDI Emissions Settlement and Modification History?

The U.S. EPA identifies 2009-2015 Audi Q7 3.0-liter diesel vehicles among the Volkswagen emissions-settlement population. The settlement divided Q7 vehicles into 2009-2012 generation 1 and 2013-2015 generation 2 groups with different buyback, lease-termination and approved-emissi… Severity: medium.

What is the 2011-2016 Audi Q7 2011-2016 Q7 3.0 TFSI Secondary-Air Carbon Restriction - P0491/P0492?

Audi TSB 2033001/18 applies to 2011-2016 Q7 3.0 TFSI vehicles with more than 15,000 miles when the malfunction indicator lamp is on and P0491 and P0492 are stored together. Audi identifies carbon restriction in the cylinder-head secondary-air ports. This is not an intake-valve di… Severity: medium.

What is the 2007-2015 Audi Q7 2007-2015 Q7 4L Blower Motor Control Module / Resistor Wiring Burn-Out - No Cabin Airflow?

The Q7's blower motor is speed-controlled by a power output stage (control module/resistor pack) mounted in the HVAC housing under the passenger side of the dash. High current through an aging motor with worn brushes overheats the module and, in a well-documented pattern, melts t… Repairs typically run $350-$1,100. Severity: medium.

What is the 2011-2019 Audi Q7 3.0 TFSI Intake Valve Carbon Buildup - Direct Injection Deposits Causing Misfire and Power Loss?

Both the supercharged 3.0 TFSI (4L) and the EA839 3.0 TFSI (4M) are direct-injected, so no fuel ever washes the back of the intake valves. Oil vapor drawn in through the PCV system plus EGR soot bake onto the valve stems and seats, restricting airflow and preventing the valves fr… Repairs typically run $800-$1,500. Severity: medium.

What is the 2009-2015 Audi Q7 2009-2015 Q7 3.0 TDI Oil Cooler / EGR Coolant Adapter Gasket Leak (V-of-Engine Coolant and Oil Weep)?

On the 3.0 TDI V6, the engine oil cooler and its adapter plate sit in the valley of the V and carry both oil and coolant through a stacked, compound gasket set. Constant heat cycling and vibration harden those gaskets, and the small black plastic EGR coolant bypass adapter next t… Repairs typically run $900-$2,500. Severity: medium.

What is the 2017-2019 Audi Q7 2017-2019 Q7 4M Front Lower Control Arm Hydro-Bushing Leak - Low-Speed Clunk?

The second-generation Q7 (4M, MLB Evo) uses a large fluid-filled hydraulic bushing on the front lower control arms to isolate road noise. The rubber splits and the fluid escapes, leaving a loose bushing that lets the arm move against its bracket. Owners hear a hollow clunk, pop o… Repairs typically run $700-$2,200. Severity: medium.

What is the 2007-2015 Audi Q7 2007-2015 Q7 4L Door-Handle Sensor Parasitic Battery Drain - Repeated Dead Batteries?

The Q7 4L's keyless-entry door handles contain capacitive/grounded switches that, when moisture or a chafed harness grounds them, keep the convenience and comfort modules awake after lock-up. The vehicle never enters sleep mode, so the battery is pulled down overnight or over a w… Repairs typically run $250-$900. Severity: medium.

What is the 2011-2015 Audi Q7 2011-2015 Q7 3.0 TFSI Brief Cold-Start Timing-Chain Rattle - TSB 2039995/2?

Audi TSB 2039995/2 covers a timing-chain-drive rattle lasting about one to three seconds after the first engine start of the day on 2011-2015 Q7 3.0 TFSI vehicles. Audi attributes that exact noise to an upper chain tensioner and states that the noise does not lead to damage. This… Severity: low.

Audi · Known Issues

2007-2019 Audi Q7 Problems: 19 Known Issues

2007-2019 model years · 3,350+ owner reports · Updated August 2026

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According to Au7o's analysis of 3,350+ owner reports, the 2007-2019 Audi Q7 has 19 documented known issues, with 8 rated critical. The most serious are Air Suspension System Failure (Compressor and Springs) ($1,200-$5,000 repair), 2011-2013 Q7 3.0 TFSI Fuel Rail Leak - Safety Recall 24AP / NHTSA 15V019 ($0-$0 repair), Supercharger Bearing Failure and Boost Leaks (3.0T) ($150-$5,000 repair), Water Pump and Thermostat Failure (Overheating) ($800-$5,000 repair), 2013 Q7 TDI Brake-Booster Vacuum-Line Recall 47L8 (14V516), 2007-2015 Q7 4L Blocked Sunroof Drains Flooding Footwells and Drowning Control Modules ($200-$3,000 repair), 2007-2010 Q7 4.2 FSI (BAR) Timing Chain Guide and Tensioner Wear - Rear-of-Engine Chain Drive ($4,500-$9,000 repair) and 2017-2018 Q7 4M Fuel Rail Weld Porosity Leak - Safety Recall 24DP / NHTSA 19V035 ($0-$0 repair). The most commonly reported issue is Air Suspension System Failure (Compressor and Springs) with 2,500 owner reports. at .

Frequently Asked Questions

What are the most common Audi Q7 problems?

According to Au7o's analysis of 3,350+ owner reports, the 2007-2019 Audi Q7 has 19 documented issues. The most frequently reported are: Air Suspension System Failure (Compressor and Springs), 2011-2013 Q7 3.0 TFSI Fuel Rail Leak - Safety Recall 24AP / NHTSA 15V019, Supercharger Bearing Failure and Boost Leaks (3.0T). Of these, 8 are rated critical and should be addressed promptly.

Is the Audi Q7 reliable?

The 2007-2019 Audi Q7 has 19 known issues documented across 3,350+ owner reports. 8 issues are rated critical: Air Suspension System Failure (Compressor and Springs) and 2011-2013 Q7 3.0 TFSI Fuel Rail Leak - Safety Recall 24AP / NHTSA 15V019 and Supercharger Bearing Failure and Boost Leaks (3.0T) and Water Pump and Thermostat Failure (Overheating) and 2013 Q7 TDI Brake-Booster Vacuum-Line Recall 47L8 (14V516) and 2007-2015 Q7 4L Blocked Sunroof Drains Flooding Footwells and Drowning Control Modules and 2007-2010 Q7 4.2 FSI (BAR) Timing Chain Guide and Tensioner Wear - Rear-of-Engine Chain Drive and 2017-2018 Q7 4M Fuel Rail Weld Porosity Leak - Safety Recall 24DP / NHTSA 19V035. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.

How much does it cost to fix common Audi Q7 problems?

Repair costs for known Audi Q7 issues range from $0 to $9,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, Air Suspension System Failure (Compressor and Springs), typically costs $1,200-$5,000 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What year Audi Q7 is the most reliable?

Reliability varies across model years of the Audi Q7. Based on documented issues, problems are most commonly reported in earlier model years. Au7o recommends checking the specific known issues for your target year before purchasing, and having a pre-purchase inspection performed by a qualified mechanic. Our known issues database covers the 2007-2019 Audi Q7 with 19 documented issues documented across 3,350+ owner reports.

All 19 Known Issues

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Frequently Asked Questions

What are the most common Audi Q7 problems?

Is the Audi Q7 reliable?

How much does it cost to fix common Audi Q7 problems?

What year Audi Q7 is the most reliable?

Water Pump and Thermostat Failure (Overheating)#

2007-2010 Q7 4.2 FSI (BAR) Timing Chain Guide and Tensioner Wear - Rear-of-Engine Chain Drive#

3.0 TFSI Intake Valve Carbon Buildup - Direct Injection Deposits Causing Misfire and Power Loss#

2011-2015 Q7 3.0 TFSI Brief Cold-Start Timing-Chain Rattle - TSB 2039995/2#

2011-2013 Q7 3.0 TFSI Fuel Rail Leak - Safety Recall 24AP / NHTSA 15V019#

2017-2018 Q7 4M Fuel Rail Weld Porosity Leak - Safety Recall 24DP / NHTSA 19V035#

Air Suspension System Failure (Compressor and Springs)#

Air Suspension Strut Failure and Compressor Issues#

2017-2019 Q7 4M Front Lower Control Arm Hydro-Bushing Leak - Low-Speed Clunk#

2007-2015 Q7 4L Blocked Sunroof Drains Flooding Footwells and Drowning Control Modules#

2017-2019 Q7 4M MMI Touch Response Spontaneous Reboot and Blank Screen with CarPlay/Android Auto#

2007-2015 Q7 4L Door-Handle Sensor Parasitic Battery Drain - Repeated Dead Batteries#

Supercharger Bearing Failure and Boost Leaks (3.0T)#

2013 Q7 TDI Brake-Booster Vacuum-Line Recall 47L8 (14V516)#

2009-2015 Q7 3.0 TDI Emissions Settlement and Modification History#

2011-2016 Q7 3.0 TFSI Secondary-Air Carbon Restriction - P0491/P0492#

Transfer Case Fluid Leak and Failure#

2007-2015 Q7 4L Blower Motor Control Module / Resistor Wiring Burn-Out - No Cabin Airflow#

2009-2015 Q7 3.0 TDI Oil Cooler / EGR Coolant Adapter Gasket Leak (V-of-Engine Coolant and Oil Weep)#