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Audi S4 Repair and Maintenance

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Audi S4 Questions and Answers

ghenn, 2001 Audi S4, M C B H Kaneohe Bay, HI

When the car starts moving from a stop, and especially when coming to a complete stop, there is a rumbling/shuddering noise that comes from the rear wheels/suspension. This only occurs at low speed...

Teds, 2002 Audi S4, Cottage Grove, MN

Or does it need to be done at the a shop?

available51, 2005 Audi S4, Orange, NJ

Audi says nothing is wrong, one mechanic said its the bearings. Does anyone at Audi know anything about their cars.

j13ffk, 2004 Audi S4, New York, NY

got water leak at front o/s bumper think its the washer bottle,will this need replaced?or does anyone no what else it could be

j13ffk, 2004 Audi S4, New York, NY

every so often more so when sitting idling the coolant temp warning light flashes up on the cluster folowed by the washer warning light an the oil pressure,i no that i have a leaking washer bottle ...

j13ffk, 2004 Audi S4, Chicopee, MA

does anyone no where the engine mount solenoid valve is & what it does & should it be repaired immediatly

jahpick, 2000 Audi S4, Iselin, NJ

my head lamp washers don't work is there a fuse that might need replaceing?

j13ffk, 2004 Audi S4, Beverly Hills, CA

my audi s4 will turn over for ages before it will start,but only happens when cold seems fine when warm,changed spark plugs &all filters an gave oil change,does anyone no what this could be?

n2stox, 2000 Audi S4, Renton, WA

The needle on my fuel gauge is no longer lit, and it looks like my oil temp gauge is not far behind (it flickers from time to time).

Is this a DIY fix? Thanks,

Audi S4 Car Reviews (2)

2004 Audi S4, DevAlex, San Francisco, CA, March 27, 2009 23:31

Love the car! Has been proud owner for a year now, had some problems, but thankfully had them taken care of by extended warranty. The most major one was the replacement of the steering rack. So highly recommend getting one from a trusted provider as any labor is expensive on that car. Recently (after 35K miles) replaced brake pads/rotors for front. Came up to $460 (parts, labor and taxes), not too bad. Sine the engine is heavy, the front brakes go out much sooner than rear. I still have 70% left on them.

2001 Audi S4, boogie, San Mateo, CA, August 27, 2008 11:34

Great car been very happy with it since purchased Dec 2001. Audi's are built great and other than the big services that can get costly (timing belt) I continue to enjoy it.

Audi S4 Problems

Engine Problems with air leaks and the fuel injection may cause starting difficulties.
Exhaust & Emissions
Suspension & Steering Various bushings—located around the subframe, suspension, and steering—deteriorate with age. A clunking noise when driving over bumps, accelerating, or stopping may be a sign of worn bushings.
Drive Train Our technicians recommend having the constant velocity (CV) boots and CV joints inspected at each service. Servicing torn CV boots early can prevent the need to replace the CV half shaft or CV joint.
Electrical & Lights Turn signals can become erratic when the flasher relay starts to fail.

Audi S4 Recalls and TSBs

Audi S4 Recalls (Recent)

Body, Interior & Misc.: AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE
Campaign Number: 97V172000
Dates Manufactured: 09/1988 to 07/1993
Number of Vehicles Affected: 54,800
Model Years Affected: 1992, 1993
Date Owner Notified: 10/1997

Defect Summary: VEHICLE DESCRIPTION: PASSENGER VEHICLES. SOME AIR BAG SENSORS DO NOT COMPLY WITH AUDI'S DURABILITY STANDARDS OVER THE LIFETIME OF THE VEHICLE.

Consequence Summary: IN THE EVENT THE SENSOR SHOULD MALFUNCTION, THE AIR BAG RESTRAINT SYSTEM CAN INADVERTENTLY DEPLOY. DEPLOYMENT OF THE AIR BAG RESTRAINT SYSTEM WITHOUT WARNING COULD CAUSE A DRIVER TO LOSE VEHICLE CONTROL.

Corrective Summary: DEALERS WILL REPLACE THE AIR BAG SENSOR CONTROL MODULE.

Recall Notes: OWNER NOTIFICATION BEGAN OCTOBER 13, 1997.OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT AUDI AT 1-800-822-2834.ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.

Electrical & Lights: ELECTRICAL SYSTEM:IGNITION:SWITCH
Campaign Number: 96V017000
Dates Manufactured: 01/1994 to 12/1995
Number of Vehicles Affected: 24,000
Model Years Affected: 1994
Date Owner Notified: 04/1996

Defect Summary: DEFECTIVE IGNITION SWITCHES WERE IMPROPERLY MANUFACTURED AND CAN CAUSE SOME ELECTRICAL ACCESSORIES TO MALFUNCTION.

Consequence Summary: SOME ELECTRICAL ACCESSORIES, SUCH AS, TURN SIGNALS, WINDSHIELD WIPERS, LAMPS, POWER WIND0WS AND AIR CONDITIONERS CAN MALFUNCTION WHEN THE CAR IS STARTED.

Corrective Summary: DEALERS WILL REPLACE THE IGNITION SWITCH.

Recall Notes: SYSTEM: ELECTRICAL; IGNITION; SWITCH. VEHICLE DESCRIPTION: PASSENGER VEHICLES. NOTE: OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME, SHOULD CONTACT AUDI AT 1-800-822-2834. ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.

Electrical & Lights: EXTERIOR LIGHTING:HEADLIGHTS
Campaign Number: 05V096000
Dates Manufactured: 01/2003 to 02/2004
Number of Vehicles Affected: 9,965
Model Years Affected: 2004
Date Owner Notified: 04/2005

Defect Summary: ON CERTAIN PASSENGER VEHICLES, THERE IS A POSSIBILITY OF XENON HEADLAMP COATING DEGRADATION OVER TIME. THE LUMINOUS TRANSMITTANCE OF THE HEADLAMP MAY DECREASE OVER A PERIOD OF TIME.

Consequence Summary: THIS CONDITION COULD AFFECT A DRIVER'S FIELD OF VIEW, INCREASING THE RISK OF A CRASH.

Corrective Summary: DEALERS WILL REPLACE THE LEFT AND RIGHT XENON HEADLAMP REFLECTORS FREE OF CHARGE. THE RECALL BEGAN ON APRIL 11, 2005. OWNERS MAY CONTACT AUDI AT 1-800-822-2834.

Recall Notes: VW RECALL NO. JH. CUSTOMERS MAY ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S VEHICLE SAFETY HOTLINE AT 1-888-327-4236 (TTY 1-800-424-9153), OR GO TO HTTP://WWW.SAFERCAR.GOV.

Engine: FUEL SYSTEM, GASOLINE:DELIVERY:HOSES, LINES/PIPING, AND FITTINGS
Campaign Number: 00V068000
Dates Manufactured: 09/1991 to 08/1995
Number of Vehicles Affected: 3,000
Model Years Affected: 1992, 1993, 1994
Date Owner Notified: 03/2001

Defect Summary: VEHICLE DESCRIPTION: PASSENGER VEHICLES. A FUEL FEED LINE CONNECTING THE FUEL FILTER TO THE ENGINE CAN PREMATURELY AGE AND SHRINK THROUGH EXPOSURE TO HIGH UNDER HOOD TEMPERATURE CAUSED BY THE TURBOCHARGER.

Consequence Summary: THIS CAN RESULT IN FUEL SEEPAGE AT THE CONNECTION.

Corrective Summary: DEALERS WILL REPLACE THE ENTIRE FUEL FEED LINE FROM THE FUEL FILTER TO THE ENGINE WITH A FUEL LINE OF SHRINKAGE-PROOF MATERIAL.

Recall Notes: OWNER NOTIFICATION BEGAN MARCH 22, 2001. OWNERS WHO TAKE THEIR VEHICLES TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND DO NOT RECEIVE THE FREE REMEDY WITHIN A REASONABLE TIME SHOULD CONTACT AUDI AT 1-800-822-2834. ALSO CONTACT THE NATIONAL HIGHWAY TRAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-888-DASH-2-DOT (1-888-327-4236).

Audi S4 Technical Service Bulletins (Recent)

Body, Interior & Misc.: ENGINE AND ENGINE COOLING:ENGINE
Service Bulletin Number: 601
NHTSA Number: 10019458
Model Years Affected: 2004, 2005, 2006
Date of Bulletin: 03/2006

Bulletin Summary: CONTROL HOUSING FOR CAMSHAFT ADJUSTER, ENSURING SHIM WASHER INSTALLATION WHEN REPAIRING.

Body, Interior & Misc.: EQUIPMENT:ELECTRICAL
Service Bulletin Number: 570502
NHTSA Number: 10015581
Model Years Affected: 2005
Date of Bulletin: 07/2005

Bulletin Summary: REMOTE TRANSMITTER KEY INOPERABLE. AUDI 2005 A4, S4 SEDAN AND AVANT.

Body, Interior & Misc.: VEHICLE SPEED CONTROL:ACCELERATOR PEDAL
Service Bulletin Number: 502
NHTSA Number: 10016518
Model Years Affected: 2000, 2001
Date of Bulletin: 09/2005

Bulletin Summary: UNNECESSARY ECM AND/OR ACCELERATOR PEDAL REPLACEMENT.

Drive Train: POWER TRAIN:AUTOMATIC TRANSMISSION
Service Bulletin Number: 601
NHTSA Number: 10019463
Model Years Affected: 2004, 2005, 2006
Date of Bulletin: 03/2006

Bulletin Summary: REVERSE GEAR WILL NOT ENGAGE OR IS HARD TO ENGAGE.

Electrical & Lights: ELECTRICAL SYSTEM
Service Bulletin Number: 501
NHTSA Number: 10018223
Model Years Affected: 2004, 2005
Date of Bulletin: 12/2005

Bulletin Summary: LIGHT SENSOR WARNING LIGHT ON INTERMITTENTLY AND CUSTOMER CONCERN ABOUT AUTOMATIC HEADLIGHT INSTRUMENT CLUSTER WARNING LIGHT ILLUMINATING FOR 1 SECOND ACCOMPANIED WITH A SHORT BEEP.

Electrical & Lights: EXTERIOR LIGHTING:HEADLIGHTS
Service Bulletin Number: 20056243
NHTSA Number: 10022141
Model Years Affected: 1992, 1993, 1994, 2000, 2001, 2002, 2004, 2005, 2006
Date of Bulletin: 07/2007

Bulletin Summary: HEADLIGHT AIMING, USING HELLA UNIVERSAL BEAMSETTER.

Electrical & Lights: TIRES:PRESSURE MONITORING AND REGULATING SYSTEMS
Service Bulletin Number: 910608
NHTSA Number: 10022991
Model Years Affected: 2005, 2006
Date of Bulletin: 10/2007

Bulletin Summary: TIRE PRESSURE MONITORING SYSTEM WARNING LIGHT IS ON. NO SATELLITE RADIO FUNCTION WITH AUDI NAVIGATION PLUS.

Engine: ELECTRICAL SYSTEM: SOFTWARE
Service Bulletin Number: 24 08 14
NHTSA Number: 10024682
Model Years Affected: 2004, 2005
Date of Bulletin: 05/2008

Bulletin Summary: MIL ON, ENGINE RUNS ROUGH AFTER HOT START (DTC P0300-P0308 IN ECM).

Engine: ENGINE AND ENGINE COOLING
Service Bulletin Number: 402
NHTSA Number: 10018217
Model Years Affected: 2000, 2001, 2002, 2004, 2005, 2006
Date of Bulletin: 12/2005

Bulletin Summary: OIL LEAKS FROM UPPER ENGINE AREAS, DIAGNOSTIC GUIDELINES.

Engine: ENGINE AND ENGINE COOLING
Service Bulletin Number: 505
NHTSA Number: 10017783
Model Years Affected: 2002, 2004, 2005, 2006
Date of Bulletin: 11/2005

Bulletin Summary: COOLANT LEAKAGE AROUND AUXILIARY COOLANT PUMP. COOLANT LIGHT MAY BE ILLUMINATED.

Engine: ENGINE AND ENGINE COOLING
Service Bulletin Number: 501
NHTSA Number: 10015100
Model Years Affected: 2002, 2004, 2005
Date of Bulletin: 05/2005

Bulletin Summary: FUEL INJECTORS UNNECESSARY REPLACEMENT.

Engine: ENGINE AND ENGINE COOLING:COOLING SYSTEM
Service Bulletin Number: 501
NHTSA Number: 10019414
Model Years Affected: 2004, 2005
Date of Bulletin: 03/2006

Bulletin Summary: AFTER-RUN COOLANT PUMP -V51- MAY NOT OPERATE WHEN THE IGNITION IS SHUT OFF AND THE COOLANT TEMPERATURE IS ABOVE 112 DEGREES C.

Engine: ENGINE AND ENGINE COOLING:ENGINE
Service Bulletin Number: 20036582
NHTSA Number: 10022142
Model Years Affected: 2000, 2001, 2002, 2004, 2005, 2006
Date of Bulletin: 07/2007

Bulletin Summary: LOSES POWER OR WILL NOT MOVE AFTER STOP.

Engine: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM:INJECTORS
Service Bulletin Number: 501
NHTSA Number: 10015098
Model Years Affected: 2002, 2004, 2005
Date of Bulletin: 05/2005

Bulletin Summary: FUEL INJECTORS, UNNECESSARY REPLACEMENT. UPDATE.

Suspension & Steering: SUSPENSION:FRONT:CONTROL ARM:LOWER ARM
Service Bulletin Number: 11242004
NHTSA Number: 10016418
Model Years Affected: 2000
Date of Bulletin: 09/2005

Bulletin Summary: SERVICE ACTION JE CAMPAIGN-CHECK/REPLACE FRONT SUSPENSION LOWER CONTROL ARMS. AUDI HAS FOUND THAT IN RARE CASES, ONE OR BOTH FRONT SUSPENSION LOWER CONTROL ARMS ON AFFECTED VEHICLES CAN EXHIBIT WEAR, EVEN THOUGH THE DAMAGE TO THE RUBBER BO

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