The 2019 Q7 is a capable luxury SUV, but the 3.0T V6 suffers from catastrophic EA839 engine failures due to defective piston ring design, while the 8-speed ZF transmission can develop cooler and mount issues. These are expensive repairs that can total the vehicle if out of warranty.
EA839 3.0T V6 Piston Ring Failure / Engine Consumption
Common · high severity
Typical onset: 40,000-80,000 mi
Symptoms: Excessive oil consumption (1+ quart per 1,000 miles), Blue smoke from exhaust on cold starts or acceleration, Carbon buildup on intake valves causing misfires and rough idle, Check engine light with misfire codes (P0300-P0306), Loss of power under load
Fix: Requires complete engine teardown and rebuild with updated piston rings or short block replacement. 25-35 labor hours depending on AWD/FWD and whether machine work is needed. Audi extended warranty to 10yr/120k on some VINs but many owners still pay out of pocket. Machine shop time adds 1-2 weeks.
Estimated cost: $8,000-15,000
ZF 8-Speed Transmission Oil Cooler Failure
Occasional · high severity
Typical onset: 60,000-100,000 mi
Symptoms: Transmission fluid mixing with coolant (milky dipstick or expansion tank), Overheating transmission warning on dash, Harsh or delayed shifts, especially when cold, Coolant loss with no visible external leaks
Fix: Replace transmission oil cooler and flush both cooling and transmission systems. If contamination is severe, transmission may need internal rebuild. Cooler replacement alone is 4-6 hours; add 15-20 hours if trans needs rebuild due to coolant damage.
Estimated cost: $1,200-2,500 (cooler only), $5,000-8,000 (if trans damaged)
Transmission Mount Failure
Common · medium severity
Typical onset: 50,000-90,000 mi
Symptoms: Clunk or thud when shifting from Park to Drive/Reverse, Vibration at idle that smooths out at higher RPM, Excessive drivetrain movement visible under hood during acceleration, Rough engagement during gear changes
Fix: Replace transmission mount (usually the large lower mount fails first). Requires lifting powertrain slightly. 2-3 labor hours. OEM mount recommended as aftermarket units fail prematurely on this heavy SUV.
Estimated cost: $500-900
High-Pressure Fuel Pump Failure (3.0T)
Occasional · high severity
Typical onset: 70,000-110,000 mi
Symptoms: Long cranking before start, especially when hot, Intermittent stalling or no-start conditions, Reduced power and limp mode under acceleration, Fuel pressure fault codes (P0087, P0088), Metal shavings in fuel filter
Fix: Replace high-pressure fuel pump and fuel filter. If pump fails catastrophically, metal debris can contaminate injectors and fuel rail. Full system flush and injector replacement may be needed. Pump replacement is 3-4 hours; add 6-8 hours if injectors are damaged.
Carbon Buildup on Intake Valves (Direct Injection)
Common · medium severity
Typical onset: 60,000-100,000 mi
Symptoms: Rough idle and stumbling acceleration, Misfires on multiple cylinders, Reduced fuel economy (2-4 mpg drop), Check engine light with lean/misfire codes, Poor throttle response from stop
Fix: Walnut-blast cleaning of intake valves. Requires intake manifold removal. 6-8 labor hours. Should be done preventively every 60-80k miles on direct-injection engines. Some shops use chemical cleaning (less effective) in 3-4 hours.
Estimated cost: $800-1,400
Air Suspension Compressor and Strut Failures
Occasional · medium severity
Typical onset: 80,000-120,000 mi
Symptoms: Suspension warning light with 'Suspension Malfunction' message, Vehicle sits low on one corner or won't rise after sitting overnight, Compressor runs continuously or cycles frequently, Rough ride quality or excessive body roll
Fix: Air strut replacement is 2-3 hours per corner; compressor is 3-4 hours. Failed compressor often damages relay module. If multiple struts fail, converting to coil springs is a cost-effective alternative ($2,500-3,500 all four corners) but eliminates ride-height adjustment.
Check oil level every 500 miles on 3.0T engines — consumption above 1 qt per 1,000 mi is warranty-eligible on affected VINs
Walnut-blast intake valves every 60-80k miles to prevent carbon-related misfires on direct-injection engines
Use Audi-approved 0W-20 synthetic oil and change every 5,000 miles max (not 10k interval) to slow ring wear
Service transmission fluid every 40-50k miles despite 'lifetime fill' claim — greatly extends cooler and clutch life
Verify engine rebuild history and oil consumption records before purchase; many 3.0T engines have been replaced under warranty
Avoid the 3.0T V6 unless engine has already been rebuilt under warranty with updated parts; the 2.0T is more reliable but underpowered for this 5,000-lb SUV. Budget $2-3k/year in repairs post-warranty.
AI-assisted summary drawn from NHTSA recall data, our labor-times database, and platform knowledge. Not a substitute for a pre-purchase inspection on a specific vehicle.
Fitment notes: AGM battery required; located under driver side floor in cargo area
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Every control module on the 2018-2023 Audi Q7 — where it lives, replacement time, and what it takes to program a replacement. Modules marked dealer / factory tool won't work after a part swap alone — budget for programming.
📍 Engine bay, left front near brake master cylinder or under hood near ABS pump
🔧 ODIS-E/S or Autel MaxiSys Elite with AutoAuth
⚠️ Integrated with hydraulic unit. Brake bleed required after replacement. Steering angle sensor calibration mandatory.
Adaptive Air Suspension Control Module (AAS / J197)1.8 hr R&Rsecurity gateway +0.8 hr▸ programming details
📍 Rear cargo area, left side behind trim panel
🔧 ODIS-E/S or Autel MaxiSys Elite
⚠️ Optional adaptive air suspension. Ride height calibration required. Compressor and valve block separate components.
Door Control Module (DCM / J386 (driver),)1.5 hr R&Raftermarket tool +0.3 hr▸ programming details
📍 Inside each door, behind door panel near latch
🔧 ODIS-E/S, Autel, or VCDS
⚠️ One module per door. Controls windows, mirrors, locks, puddle lights. Window initialization required after replacement.
Central Gateway Control Module (CGW / J533)1.5 hr R&Rsecurity gateway +2.0 hr▸ programming details
📍 Behind dashboard, left of steering column, or under driver footwell trim
🔧 ODIS-E/S with dealer-level security access
⚠️ Security Gateway 17+ implementation. Controls all module access. Replacement requires dealer authorization and online authentication. Critical for all other module coding.
📍 Battery area, under rear cargo floor or passenger footwell
🔧 ODIS-E/S
⚠️ Monitors 12V battery health and charging. Not hybrid-specific (Q7 e-tron discontinued for US after 2018). Battery registration required after replacement.
Rear View Camera / Surround View Camera Control Module (KA / R189 (rear), J7)1.0 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Rear camera in tailgate handle; surround module behind MMI screen or in trunk
🔧 ODIS-E/S or Autel MaxiSys Elite
⚠️ Surround view (360°) optional. Camera calibration required. Integrated with parking aid and MMI.
Telematics Control Module / Audi Connect (TCU / J794)1.0 hr R&Rsecurity gateway +0.5 hr▸ programming details
📍 Behind glove box or under rear cargo floor near spare tire
🔧 ODIS-E/S
⚠️ LTE module for Audi Connect services. SIM card integrated. Subscription activation required through Audi backend.
📍 Behind instrument panel, accessible by removing cluster trim
🔧 ODIS-E/S + Security Gateway access
⚠️ Mileage programming requires dealer authorization and legal documentation. Component protection active. Virtual Cockpit (12.3-inch TFT) standard on most trims.
📍 Under each front seat, driver and passenger side
🔧 ODIS-E/S, Autel, or VCDS
⚠️ Memory seats standard on most trims. Massage and ventilation functions integrated. Adaptation required for seat position limits.
Aftermarket tool coverage varies by software version and vehicle build — treat "aftermarket tool" rows as "usually possible" and verify against your tool maker's coverage list before promising a customer. Spot a wrong location or hour? Tell us — corrections ship fast here.
Volkswagen Group of America, Inc. (Audi) is recalling certain 2018-2020 Audi Q7 vehicles. The padding on the vehicle's C-pillar may not absorb enough impact in the event of a crash.
Consequence: In the event of a crash, an unbelted occupant's head may impact the vehicle's C-pillar padding, increasing the risk of injury.
Remedy: Audi will notify owners, and dealers will replace the deformation element on the C-pillars, free of charge. The recall began November 17, 2020. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 70H8.
STEERING · 20V149000
2020-03-16
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2019 Audi Q8 and 2017-2019 Audi Q7 vehicles. The bolt connecting the steering shaft to the steering gear may loosen, possibly resulting in a loss of steering control.
Consequence: A sudden loss of loss of steering control may increase the risk of a crash.
Remedy: Volkswagen will notify owners, and Audi dealers will inspect and, if necessary, replace the steering shaft bolt, as necessary, free of charge. The recall began March 31, 2020. Owners may contact Audi customer service at 1-800-253-2834. Volkswagen's number for this recall is 36A1.
AIR BAGS:SIDE/WINDOW · 20V093000
2020-02-19
Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2019 Audi Q7 vehicles. In the event of a crash, the side curtain air bags may not properly inflate.
Consequence: An air bag that does not properly inflate in the event of a crash can increase the risk of injury.
Remedy: Volkswagen will notify owners, and dealers will replace the side curtain air bags, free of charge. The recall began March 19, 2020. Owners may contact Volkswagen customer service at 1-800-893-5298. Volkswagen's number for this recall is 69AJ.
SUSPENSION:FRONT:SHOCK ABSORBER · 19V114000
2019-02-20
Volkswagen Group of America, Inc. (Audi) is recalling certain 2019 Q7, Q8, S5 Cabriolet, and S5 Sportback vehicles. The front shock absorber forks may develop cracks allowing the shock absorbers to loosen.
Consequence: Loose shock absorbers may impair vehicle steering, increasing the risk of crash.
Remedy: Audi has notified owners, and dealers will replace the shock absorber forks, free of charge. The recall began March 18, 2019. Owners may contact Audi customer service at 1-800-253-2834. Audi's number for this recall is 40O4.
Performance
Horsepower
335hp
Torque
369lb-ft
0–60 mph
5.7sec
Quarter mile
14.2sec
Top speed
155mph
Capability & size
Towing capacity
7,700lb
Payload
1,653lb
Curb weight
4,938lb
Wiper blades
Second generation (4M) continues with push-button attachment.
Size-standard part numbers — verify your connector type before buying. Rear blades are model-specific; check the package's vehicle list.
Fuel economy figures are EPA data via fueleconomy.gov (median across matching trims). Performance figures are compiled estimates for the 2019 Audi Q7 3.0L Turbo V6 and can vary by trim.
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Lexus & Toyota Mechanic · 20+ years.