2007 Audi S4 Problems: 4 Known Issues

2007 Audi S4 Problems: 4 Known Issues | Au7o

NHTSA Recalls2 recalls

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2005-2008 Audi A4 Sedan, A4 Avant, S4 Avant and S4 Sedan, 2007-2008 RS4 Sedan, 2004 RS4 Cabriolet, 2007-2009 A4 Cabriolet and S4 Cabriolet, 2005-2011 A6 Sedan, 2006-2011 A6 Avant, and 2007-2011 S6 Sedan vehicles. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the passenger frontal air bag, these inflators may explode due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Campaign #18V42700022/06/2018

AIR BAGS:FRONTAL:PASSENGER SIDE:INFLATOR MODULE

Volkswagen Group of America, Inc. (Volkswagen) is recalling certain 2009 Audi A4 Cabriolet, S4 Cabriolet, A6 Avant, A6 Sedan and S6 Sedan vehicles originally sold, or ever registered, in Arizona, Arkansas, Delaware, the District of Columbia, Illinois, Indiana, Kansas, Kentucky, Maryland, Missouri, Nebraska, Nevada, New Jersey, New Mexico, North Carolina, Ohio, Oklahoma, Pennsylvania, Tennessee, Virginia, and West Virginia, or "Zone B." Additionally, unless included in "Zone B" above, Volkswagen is recalling certain 2005-2008 Audi A4 Avant, A4 Sedan, A6 Sedan, S4 Avant and S4 Sedan vehicles, 2007-2008 A4 Cabriolet, RS4 Sedan, S4 Cabriolet and S6 Sedan vehicles, and 2006-2008 A6 Avant and 2008 RS4 Cabriolet vehicles originally sold, or ever registered, in Alaska, Colorado, Connecticut, Idaho, Iowa, Maine, Massachusetts, Michigan, Minnesota, Montana, New Hampshire, New York, North Dakota, Oregon, Rhode Island, South Dakota, Utah, Vermont, Washington, Wisconsin, and Wyoming. These vehicles are equipped with certain air bag inflators assembled as part of the passenger frontal air bag modules used as original equipment or replacement equipment. In the event of a crash necessitating deployment of the front air bags, these inflators may rupture due to propellant degradation occurring after long-term exposure to absolute humidity and temperature cycling.

Campaign #17V03200011/01/2017

Enter your VIN at NHTSA.gov to check recalls specific to your vehicle.

Frequently Asked Questions

What are the most common Audi S4 problems?

According to Au7o's research across NHTSA recalls, manufacturer TSBs, and owner forum reports, the 2007 Audi S4 has 4 documented issues. The most frequently reported are: Passenger Airbag Inflator Can Rupture (Recall 18V427 / 69R7), 4.2 V8 Timing Chain Guides, Tensioners and Cam Adjusters Fail at the Rear of the Engine (Engine-Out Repair), Secondary Air Injection System Faults - Failed Pump, Stuck Combi Valves and Carbon-Clogged Head Passages. Of these, 2 are rated critical and should be addressed promptly.

Is the Audi S4 reliable?

The 2007 Audi S4 has 4 known issues compiled from NHTSA recalls, manufacturer TSBs, and owner forum reports. 2 issues are rated critical: Passenger Airbag Inflator Can Rupture (Recall 18V427 / 69R7) and 4.2 V8 Timing Chain Guides, Tensioners and Cam Adjusters Fail at the Rear of the Engine (Engine-Out Repair). 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 S4 problems?

Repair costs for known Audi S4 issues range from $500 to $10,000, depending on the specific problem and whether you choose DIY or professional repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.

What is the 2005-2009 Audi S4 Passenger Airbag Inflator Can Rupture (Recall 18V427 / 69R7)?

Certain 2005-2009 S4 body styles contain passenger frontal-airbag inflators that can rupture after long-term humidity and temperature exposure, propelling metal fragments into the cabin. Severity: high.

What is the 2004-2008 Audi S4 4.2 V8 Timing Chain Guides, Tensioners and Cam Adjusters Fail at the Rear of the Engine (Engine-Out Repair)?

The B6/B7 S4's 4.2L V8 (BBK/BHF) drives its timing chains from the BACK of the engine, against the firewall. What owners call "timing chain failure" is really the plastic chain guides, the chain tensioners and the two camshaft adjusters wearing out and disintegrating. Forum docum… Repairs typically run $4,500-$10,000. Severity: high.

What is the 2004-2008 Audi S4 Secondary Air Injection System Faults - Failed Pump, Stuck Combi Valves and Carbon-Clogged Head Passages?

The secondary air injection (SAI) system pumps air into the exhaust ports on cold start to light off the catalysts, and it is a chronic check-engine-light source on these cars. Each bank has its own combi valve. Carbon causes the combi valve to stick open, which lets hot, moist e… Repairs typically run $500-$2,000. Severity: medium.

What is the 2004-2008 Audi S4 Dual-Mass Flywheel Springs Break on the 6-Speed Manual 4.2 V8?

Manual-transmission B6 and B7 S4s use a dual-mass flywheel behind the 4.2 V8, and the internal damper springs fail. The failure is progressive and intermittent early on - owners describe shudder and vibration that appear for days, vanish, then come back and stay - before settling… Repairs typically run $1,800-$4,000. Severity: medium.

2007 Audi S4 Problems: 4 Known Issues

All 4 Known Issues

2005-2009 Audi S4: Passenger Airbag Inflator Can Rupture (Recall 18V427 / 69R7)#

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2004-2008 Audi S4: 4.2 V8 Timing Chain Guides, Tensioners and Cam Adjusters Fail at the Rear of the Engine (Engine-Out Repair)#

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2004-2008 Audi S4: Secondary Air Injection System Faults - Failed Pump, Stuck Combi Valves and Carbon-Clogged Head Passages#

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2004-2008 Audi S4: Dual-Mass Flywheel Springs Break on the 6-Speed Manual 4.2 V8#

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Frequently Asked Questions

What are the most common Audi S4 problems?

Is the Audi S4 reliable?

How much does it cost to fix common Audi S4 problems?

What is the 2005-2009 Audi S4 Passenger Airbag Inflator Can Rupture (Recall 18V427 / 69R7)?

What is the 2004-2008 Audi S4 4.2 V8 Timing Chain Guides, Tensioners and Cam Adjusters Fail at the Rear of the Engine (Engine-Out Repair)?

What is the 2004-2008 Audi S4 Secondary Air Injection System Faults - Failed Pump, Stuck Combi Valves and Carbon-Clogged Head Passages?

What is the 2004-2008 Audi S4 Dual-Mass Flywheel Springs Break on the 6-Speed Manual 4.2 V8?